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Aurora Cannabis Inc. – ‘40-F’ for 6/30/21 – ‘EX-101.LAB’

On:  Monday, 9/27/21, at 4:25pm ET   ·   For:  6/30/21   ·   Accession #:  1683541-21-3   ·   File #:  1-38691

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  As Of               Filer                 Filing    For·On·As Docs:Size

 9/27/21  Aurora Cannabis Inc.              40-F        6/30/21  177:27M

Annual Report by a Canadian Issuer   —   Form 40-F   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 40-F        Annual Report by a Canadian Issuer                  HTML    248K 
 2: EX-99.1     Miscellaneous Exhibit                               HTML     47K 
 3: EX-99.2     Miscellaneous Exhibit                               HTML     47K 
 4: EX-99.3     Miscellaneous Exhibit                               HTML     45K 
 5: EX-99.4     Miscellaneous Exhibit                               HTML     45K 
 6: EX-99.5     Miscellaneous Exhibit                               HTML   2.37M 
 7: EX-99.6     Miscellaneous Exhibit                               HTML    534K 
 8: EX-99.7     Miscellaneous Exhibit                               HTML    415K 
 9: EX-99.8     Miscellaneous Exhibit                               HTML     45K 
16: R1          Cover Page                                          HTML    102K 
17: R2          Consolidated Statements of Financial Position       HTML    148K 
18: R3          Consolidated Statements of Comprehensive Loss       HTML    188K 
19: R4          Consolidated Statements of Changes in Equity        HTML    127K 
20: R5          Consolidated Statements of Changes in Equity        HTML     56K 
                (Parenthetical)                                                  
21: R6          Consolidated Statements of Cash Flows               HTML    141K 
22: R7          Nature of Operations                                HTML     51K 
23: R8          Significant Accounting Policies and Judgments       HTML    103K 
24: R9          Restructuring Provision                             HTML     73K 
25: R10         Accounts Receivable                                 HTML     56K 
26: R11         Government Grant                                    HTML     48K 
27: R12         Investments                                         HTML     84K 
28: R13         Marketable Securities and Derivatives               HTML    198K 
29: R14         Investments in Associates and Joint Ventures        HTML     87K 
30: R15         Biological Assets                                   HTML     75K 
31: R16         Inventory                                           HTML     84K 
32: R17         Property, Plant and Equipment                       HTML    185K 
33: R18         Assets Held for Sale and Discontinued Operations    HTML    101K 
34: R19         Business Combinations                               HTML     70K 
35: R20         Non-Controlling Interests                           HTML     54K 
36: R21         Intangible Assets and Goodwill                      HTML    196K 
37: R22         Convertible Debentures                              HTML    198K 
38: R23         Loans and Borrowings                                HTML     85K 
39: R24         Lease Liabilities                                   HTML     64K 
40: R25         Share Capital                                       HTML    106K 
41: R26         Share-Based Compensation                            HTML    120K 
42: R27         Loss Per Share                                      HTML     56K 
43: R28         Other Gains (Losses)                                HTML     61K 
44: R29         Supplemental Cash Flow Information                  HTML     62K 
45: R30         Income Taxes                                        HTML    162K 
46: R31         Related Party Transactions                          HTML     70K 
47: R32         Commitments and Contingencies                       HTML     73K 
48: R33         Revenue                                             HTML     70K 
49: R34         Segmented Information                               HTML     79K 
50: R35         Fair Value of Financial Instruments                 HTML    119K 
51: R36         Financial Instruments Risk                          HTML     94K 
52: R37         Capital Management                                  HTML     47K 
53: R38         Subsequent Events                                   HTML     47K 
54: R39         Significant Accounting Policies and Judgments       HTML    239K 
                (Policies)                                                       
55: R40         Significant Accounting Policies and Judgments       HTML     82K 
                (Tables)                                                         
56: R41         Restructuring Provision (Tables)                    HTML     50K 
57: R42         Accounts Receivable (Tables)                        HTML     54K 
58: R43         Marketable Securities and Derivatives (Tables)      HTML    159K 
59: R44         Investments in Associates and Joint Ventures        HTML    123K 
                (Tables)                                                         
60: R45         Biological Assets (Tables)                          HTML    112K 
61: R46         Inventory (Tables)                                  HTML     80K 
62: R47         Property, Plant and Equipment (Tables)              HTML    162K 
63: R48         Assets Held for Sale and Discontinued Operations    HTML     90K 
                (Tables)                                                         
64: R49         Business Combinations (Tables)                      HTML     64K 
65: R50         Non-Controlling Interests (Tables)                  HTML     50K 
66: R51         Intangible Assets and Goodwill (Tables)             HTML    181K 
67: R52         Convertible Debentures (Tables)                     HTML     80K 
68: R53         Loans and Borrowings (Tables)                       HTML     75K 
69: R54         Lease Liabilities (Tables)                          HTML     75K 
70: R55         Share Capital (Tables)                              HTML    102K 
71: R56         Share-Based Compensation (Tables)                   HTML    126K 
72: R57         Loss Per Share (Tables)                             HTML     54K 
73: R58         Other Gains (Losses) (Tables)                       HTML     61K 
74: R59         Supplemental Cash Flow Information (Tables)         HTML     64K 
75: R60         Income Taxes (Tables)                               HTML    158K 
76: R61         Related Party Transactions (Tables)                 HTML     68K 
77: R62         Commitments and Contingencies (Tables)              HTML     49K 
78: R63         Revenue (Tables)                                    HTML     62K 
79: R64         Segmented Information (Tables)                      HTML     79K 
80: R65         Fair Value of Financial Instruments (Tables)        HTML    159K 
81: R66         Financial Instruments Risk (Tables)                 HTML     83K 
82: R67         Nature of Operations (Details)                      HTML     45K 
83: R68         Significant Accounting Policies and Judgments -     HTML     64K 
                Major Subsidiaries Over Which the Company Has                    
                Control (Details)                                                
84: R69         Significant Accounting Policies and Judgments -     HTML     63K 
                Narrative (Details)                                              
85: R70         Significant Accounting Policies and Judgments -     HTML    111K 
                Disclosure Of Non-Material Prior Period Error                    
                (Details)                                                        
86: R71         Restructuring Provision (Details)                   HTML     55K 
87: R72         Accounts Receivable (Details)                       HTML     58K 
88: R73         Government Grant (Details)                          HTML     58K 
89: R74         Investments - Cann Group Limited (Details)          HTML     91K 
90: R75         Investments - Radient Technologies Inc. (Details)   HTML     64K 
91: R76         Investments - Alcanna Inc. (Details)                HTML     69K 
92: R77         Investments - Capcium, Inc. (Details)               HTML    109K 
93: R78         Investments - The Green Organic Dutchman Holdings   HTML     79K 
                Ltd. (Details)                                                   
94: R79         Investments - Choom Holdings Inc. (Details)         HTML    144K 
95: R80         Investments - Investee - B (Details)                HTML     93K 
96: R81         Investments - High Tide Inc. (Details)              HTML    158K 
97: R82         Investments - Australis Capital Inc. (Details)      HTML     75K 
98: R83         Investments - EnWave Corporation (Details)          HTML     61K 
99: R84         Investments - Investee C (Details)                  HTML     65K 
100: R85         Marketable Securities and Derivatives - Marketable  HTML    124K  
                Securities (Details)                                             
101: R86         Marketable Securities and Derivatives - Derivative  HTML    118K  
                Investments (Details)                                            
102: R87         Investments in Associates and Joint Ventures -      HTML     80K  
                Summary of Carrying Value (Details)                              
103: R88         Investments in Associates and Joint Ventures -      HTML     84K  
                Summary of Financial Information (Details)                       
104: R89         Biological Assets - Significant Unobservable        HTML     69K  
                Assumptions Used in the Valuation of Biological                  
                Assets, Including Sensitivities (Details)                        
105: R90         Biological Assets - Changes in Carrying Value of    HTML     53K  
                Biological Assets (Details)                                      
106: R91         Biological Assets - Narrative (Details)             HTML     53K  
107: R92         Inventory (Details)                                 HTML     93K  
108: R93         Property, Plant and Equipment - Schedule of         HTML    195K  
                Property, Plant and Equipment (Details)                          
109: R94         Property, Plant and Equipment - Narrative           HTML    161K  
                (Details)                                                        
110: R95         Assets Held for Sale and Discontinued Operations -  HTML     84K  
                Assets Held for Sale (Details)                                   
111: R96         Assets Held for Sale and Discontinued Operations -  HTML    136K  
                Additional Information (Details)                                 
112: R97         Assets Held for Sale and Discontinued Operations -  HTML     81K  
                Discontinued Operations (Details)                                
113: R98         Business Combinations - Additional Information      HTML     45K  
                (Details)                                                        
114: R99         Business Combinations - Reliva LLC ("Reliva")       HTML    108K  
                (Details)                                                        
115: R100        Business Combinations - Adjustments to Initial      HTML     61K  
                Purchase Price Allocations (Details)                             
116: R101        Non-Controlling Interests - Net Change in           HTML     59K  
                Non-Controlling Interests (Details)                              
117: R102        Non-Controlling Interests - Narrative (Details)     HTML     74K  
118: R103        Intangible Assets and Goodwill - Useful Lives       HTML     60K  
                (Details)                                                        
119: R104        Intangible Assets and Goodwill - Continuity         HTML    106K  
                Schedule of Intangible Assets and Goodwill                       
                (Details)                                                        
120: R105        Intangible Assets and Goodwill - Changes in Net     HTML    112K  
                Book Value of Intangible Assets and Goodwill                     
                (Details)                                                        
121: R106        Intangible Assets and Goodwill - Narrative          HTML    116K  
                (Details)                                                        
122: R107        Intangible Assets and Goodwill - Key Assumptions    HTML    120K  
                Used in Impairment Testing (Details)                             
123: R108        Convertible Debentures (Details)                    HTML    194K  
124: R109        Loans and Borrowings - Changes in the Carrying      HTML     71K  
                Value of Current and Non-current Loans and                       
                Borrowings (Details)                                             
125: R110        Loans and Borrowings - Narrative (Details)          HTML    162K  
126: R111        Lease Liabilities - Lease Liabilities (Details)     HTML     63K  
127: R112        Lease Liabilities - Narrative (Details)             HTML     45K  
128: R113        Share Capital - Narrative (Details)                 HTML    116K  
129: R114        Share Capital - Shares for Business Combinations,   HTML     53K  
                Asset Acquisitions and Strategic Investments                     
                (Details)                                                        
130: R115        Share Capital - Summary of Shares Issued for        HTML     55K  
                Equity Financing (Details)                                       
131: R116        Share Capital - Share Purchase Warrants (Details)   HTML     63K  
132: R117        Share Capital - Summary of Warrant Derivative       HTML     58K  
                Liabilities (Details)                                            
133: R118        Share Capital - Summary of Warrants Outstanding     HTML     66K  
                (Details)                                                        
134: R119        Share-Based Compensation - Summary of Options       HTML     78K  
                Outstanding (Details)                                            
135: R120        Share-Based Compensation - Stock Options that       HTML     79K  
                Remain Outstanding, by Exercise Price Range                      
                (Details)                                                        
136: R121        Share-Based Compensation - Narrative (Details)      HTML    100K  
137: R122        Share-Based Compensation - Weighted Average         HTML     54K  
                Assumptions of Options (Details)                                 
138: R123        Share-Based Compensation - Summary of RSUs, DSUs,   HTML     77K  
                and PSUs Outstanding (Details)                                   
139: R124        Share-Based Compensation - Awards that Remain       HTML     83K  
                Outstanding (Details)                                            
140: R125        Share-Based Compensation - Weighted Average         HTML     61K  
                Assumptions of PSUs (Details)                                    
141: R126        Loss Per Share (Details)                            HTML     59K  
142: R127        Other Gains (Losses) (Details)                      HTML     72K  
143: R128        Supplemental Cash Flow Information - Changes in     HTML     65K  
                Non-Cash Working Capital (Details)                               
144: R129        Supplemental Cash Flow Information - Narrative      HTML     56K  
                (Details)                                                        
145: R130        Supplemental Cash Flow Information - Supplementary  HTML     56K  
                Cash Flow Information (Details)                                  
146: R131        Income Taxes - Narrative (Details)                  HTML     51K  
147: R132        Income Taxes - Reconciliation of Net Tax Provision  HTML     81K  
                to Income (Loss) Before Income Tax (Details)                     
148: R133        Income Taxes - Movements in Deferred Tax Assets     HTML    134K  
                (Liabilities) (Details)                                          
149: R134        Income Taxes - Summary of Deferred Tax Assets       HTML     51K  
                (Liabilities) (Details)                                          
150: R135        Income Taxes - Deferred Tax Assets Not Recognized   HTML     73K  
                (Details)                                                        
151: R136        Related Party Transactions - Compensation Expense   HTML     55K  
                (Details)                                                        
152: R137        Related Party Transactions - Transactions with      HTML     49K  
                Related Parties (Details)                                        
153: R138        Related Party Transactions - Receivable from        HTML     67K  
                (Payable to) Related Parties (Details)                           
154: R139        Commitments and Contingencies - Narrative           HTML     93K  
                (Details)                                                        
155: R140        Commitments and Contingencies - Future Commitments  HTML     54K  
                Including Minimum Royalty Payments Due in the Next               
                Five Years (Details)                                             
156: R141        Revenue - Narrative (Details)                       HTML     47K  
157: R142        Revenue - Revenue from the Transfer of Goods and    HTML     70K  
                Services (Details)                                               
158: R143        Segmented Information - Narrative (Details)         HTML     63K  
159: R144        Segmented Information - Operating Segments          HTML     60K  
                (Details)                                                        
160: R145        Segmented Information - Geographical Segments       HTML     62K  
                (Details)                                                        
161: R146        Fair Value of Financial Instruments - Carrying      HTML    145K  
                Values of Financial Instruments (Details)                        
162: R147        Fair Value of Financial Instruments - Summary of    HTML     80K  
                Financial Instruments Measured at Fair Value                     
                (Details)                                                        
163: R148        Fair Value of Financial Instruments - Continuity    HTML     76K  
                Schedule of Contingent Consideration Payable                     
                (Details)                                                        
164: R149        Fair Value of Financial Instruments - Narrative     HTML     63K  
                (Details)                                                        
165: R150        Financial Instruments Risk - Credit Risk Narrative  HTML     49K  
                (Details)                                                        
166: R151        Financial Instruments Risk - Schedule of Aging of   HTML     53K  
                Receivables (Details)                                            
167: R152        Financial Instruments Risk - Schedule of            HTML     69K  
                Contractual Cash Flows from Lease Receivables                    
                (Details)                                                        
168: R153        Financial Instruments Risk - Schedule of Accounts   HTML     58K  
                Payable and Accrued Liabilities (Details)                        
169: R154        Financial Instruments Risk - Schedule of Gross      HTML     80K  
                Contractual Obligations (Details)                                
170: R155        Financial Instruments Risk - Liquidity Risk         HTML    134K  
                Narrative (Details)                                              
171: R156        Financial Instruments Risk - Market Risk Narrative  HTML     82K  
                (Details)                                                        
172: R157        Capital Management (Details)                        HTML     45K  
173: R158        Subsequent Events (Details)                         HTML     45K  
175: XML         IDEA XML File -- Filing Summary                      XML    333K  
15: XML         XBRL Instance -- acb-20210630_htm                    XML   8.25M 
174: EXCEL       IDEA Workbook of Financial Reports                  XLSX    314K  
11: EX-101.CAL  XBRL Calculations -- acb-20210630_cal                XML    369K 
12: EX-101.DEF  XBRL Definitions -- acb-20210630_def                 XML   2.42M 
13: EX-101.LAB  XBRL Labels -- acb-20210630_lab                      XML   4.35M 
14: EX-101.PRE  XBRL Presentations -- acb-20210630_pre               XML   3.03M 
10: EX-101.SCH  XBRL Schema -- acb-20210630                          XSD    646K 
176: JSON        XBRL Instance as JSON Data -- MetaLinks              778±  1.16M  
177: ZIP         XBRL Zipped Folder -- 0001683541-21-000003-xbrl      Zip   1.04M

‘EX-101.LAB’   —   XBRL Labels — acb-20210630_lab

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
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<link:label id="lab_acb_ScheduleOfNoncurrentAssetsClassifiedAsHeldForSaleExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_acb_ScheduleOfNoncurrentAssetsClassifiedAsHeldForSaleExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Schedule Of Non-current Assets Classified As Held For Sale Explanatory [Table Text Block] </link:label>
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<link:label id="lab_acb_ShareIssueRelatedCostDeferredTax_documentation_en-US" xlink:label="lab_acb_ShareIssueRelatedCostDeferredTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share Issue Related Cost, Deferred Tax </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ShareIssueRelatedCostDeferredTax" xlink:href="acb-20210630.xsd#acb_ShareIssueRelatedCostDeferredTax"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ShareIssueRelatedCostDeferredTax" xlink:to="lab_acb_ShareIssueRelatedCostDeferredTax" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredFinancingFeeBorrowings_738c183f-1bbe-45d9-8e98-719c8066743a_negatedTerseLabel_en-US" xlink:label="lab_acb_DeferredFinancingFeeBorrowings" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred financing fee </link:label>
<link:label id="lab_acb_DeferredFinancingFeeBorrowings_label_en-US" xlink:label="lab_acb_DeferredFinancingFeeBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Financing Fee, Borrowings </link:label>
<link:label id="lab_acb_DeferredFinancingFeeBorrowings_documentation_en-US" xlink:label="lab_acb_DeferredFinancingFeeBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Financing Fee, Borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredFinancingFeeBorrowings" xlink:href="acb-20210630.xsd#acb_DeferredFinancingFeeBorrowings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredFinancingFeeBorrowings" xlink:to="lab_acb_DeferredFinancingFeeBorrowings" xlink:type="arc" order="1"/>
<link:label id="lab_acb_WeightedAverageFairValueLessCostsToCompleteAndSellBiologicalAssetsForCurrentPeriodPerUnit_f6a3d973-8278-4223-8b06-fa2d7e0928a1_terseLabel_en-US" xlink:label="lab_acb_WeightedAverageFairValueLessCostsToCompleteAndSellBiologicalAssetsForCurrentPeriodPerUnit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average fair value less cost to complete and cost to sell (in CAD per gram) </link:label>
<link:label id="lab_acb_WeightedAverageFairValueLessCostsToCompleteAndSellBiologicalAssetsForCurrentPeriodPerUnit_label_en-US" xlink:label="lab_acb_WeightedAverageFairValueLessCostsToCompleteAndSellBiologicalAssetsForCurrentPeriodPerUnit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Fair Value Less Costs To Complete And Sell Biological Assets For Current Period, Per Unit </link:label>
<link:label id="lab_acb_WeightedAverageFairValueLessCostsToCompleteAndSellBiologicalAssetsForCurrentPeriodPerUnit_documentation_en-US" xlink:label="lab_acb_WeightedAverageFairValueLessCostsToCompleteAndSellBiologicalAssetsForCurrentPeriodPerUnit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Fair Value Less Costs To Complete And Sell Biological Assets For Current Period, Per Unit </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_WeightedAverageFairValueLessCostsToCompleteAndSellBiologicalAssetsForCurrentPeriodPerUnit" xlink:href="acb-20210630.xsd#acb_WeightedAverageFairValueLessCostsToCompleteAndSellBiologicalAssetsForCurrentPeriodPerUnit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_WeightedAverageFairValueLessCostsToCompleteAndSellBiologicalAssetsForCurrentPeriodPerUnit" xlink:to="lab_acb_WeightedAverageFairValueLessCostsToCompleteAndSellBiologicalAssetsForCurrentPeriodPerUnit" xlink:type="arc" order="1"/>
<link:label id="lab_acb_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod_52aadaeb-77db-442d-812f-a6298e5f7950_terseLabel_en-US" xlink:label="lab_acb_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Vesting period of Total Shareholder Return </link:label>
<link:label id="lab_acb_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod_label_en-US" xlink:label="lab_acb_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Vesting Requirements For Share-Based Payment Arrangement, Vesting Period </link:label>
<link:label id="lab_acb_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod_documentation_en-US" xlink:label="lab_acb_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Vesting Requirements For Share-Based Payment Arrangement, Vesting Period </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:href="acb-20210630.xsd#acb_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:to="lab_acb_VestingRequirementsForShareBasedPaymentArrangementVestingPeriod" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems_2d335507-2ce9-4c19-878a-0cf4c09dec79_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value measurement of liabilities [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value measurement of liabilities [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExercisePriceRangeThreeMember_9465b3a8-712e-4f2a-b113-9202cbaf7f24_terseLabel_en-US" xlink:label="lab_acb_ExercisePriceRangeThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Range Three </link:label>
<link:label id="lab_acb_ExercisePriceRangeThreeMember_label_en-US" xlink:label="lab_acb_ExercisePriceRangeThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Range Three [Member] </link:label>
<link:label id="lab_acb_ExercisePriceRangeThreeMember_documentation_en-US" xlink:label="lab_acb_ExercisePriceRangeThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Range Three [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExercisePriceRangeThreeMember" xlink:href="acb-20210630.xsd#acb_ExercisePriceRangeThreeMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExercisePriceRangeThreeMember" xlink:to="lab_acb_ExercisePriceRangeThreeMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OtherCustomersMember_c9bee556-3851-402a-bba4-d90f60ec3c74_terseLabel_en-US" xlink:label="lab_acb_OtherCustomersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other </link:label>
<link:label id="lab_acb_OtherCustomersMember_label_en-US" xlink:label="lab_acb_OtherCustomersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Customers [Member] </link:label>
<link:label id="lab_acb_OtherCustomersMember_documentation_en-US" xlink:label="lab_acb_OtherCustomersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Customers [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OtherCustomersMember" xlink:href="acb-20210630.xsd#acb_OtherCustomersMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OtherCustomersMember" xlink:to="lab_acb_OtherCustomersMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AuroraHempEuropeUABMember_c7163b1c-0959-449b-ad29-6155990c9c12_verboseLabel_en-US" xlink:label="lab_acb_AuroraHempEuropeUABMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Hemp Europe </link:label>
<link:label id="lab_acb_AuroraHempEuropeUABMember_label_en-US" xlink:label="lab_acb_AuroraHempEuropeUABMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Hemp Europe UAB [Member] </link:label>
<link:label id="lab_acb_AuroraHempEuropeUABMember_documentation_en-US" xlink:label="lab_acb_AuroraHempEuropeUABMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Hemp Europe UAB [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AuroraHempEuropeUABMember" xlink:href="acb-20210630.xsd#acb_AuroraHempEuropeUABMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AuroraHempEuropeUABMember" xlink:to="lab_acb_AuroraHempEuropeUABMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesDispositionOrReclassification_b1680e0a-f12d-49a6-bb76-5d76a35a67d5_negatedTerseLabel_en-US" xlink:label="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesDispositionOrReclassification" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disposition / reclassification </link:label>
<link:label id="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesDispositionOrReclassification_label_en-US" xlink:label="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesDispositionOrReclassification" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments In Subsidiaries, Joint Ventures And Associates, Disposition Or Reclassification </link:label>
<link:label id="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesDispositionOrReclassification_documentation_en-US" xlink:label="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesDispositionOrReclassification" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments In Subsidiaries, Joint Ventures And Associates, Disposed Or Reclassified </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesDispositionOrReclassification" xlink:href="acb-20210630.xsd#acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesDispositionOrReclassification"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesDispositionOrReclassification" xlink:to="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesDispositionOrReclassification" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets_a85c6adf-7be5-45c8-8689-bc584a0c38b3_terseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Percentage of reasonably possible increase in unobservable input, assets </link:label>
<link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets_label_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Percentage of reasonably possible increase in unobservable input, assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:to="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExercisePriceRangeFourMember_a17d1387-c52a-4cf5-94be-88bdc5730a48_terseLabel_en-US" xlink:label="lab_acb_ExercisePriceRangeFourMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Range Four </link:label>
<link:label id="lab_acb_ExercisePriceRangeFourMember_label_en-US" xlink:label="lab_acb_ExercisePriceRangeFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Range Four [Member] </link:label>
<link:label id="lab_acb_ExercisePriceRangeFourMember_documentation_en-US" xlink:label="lab_acb_ExercisePriceRangeFourMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Range Four [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExercisePriceRangeFourMember" xlink:href="acb-20210630.xsd#acb_ExercisePriceRangeFourMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExercisePriceRangeFourMember" xlink:to="lab_acb_ExercisePriceRangeFourMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable_cb89820f-8301-4f39-a05d-94cc2eeae81d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of contingent liabilities [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of contingent liabilities [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfContingentLiabilitiesTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:to="lab_ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OtherComprehensiveIncomeBeforeTaxRealizedGainsLossesFromInvestmentsInEquityInstruments_5f16e905-e7d4-4e92-8ad4-71d1cf38307f_terseLabel_en-US" xlink:label="lab_acb_OtherComprehensiveIncomeBeforeTaxRealizedGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> OCI realized loss </link:label>
<link:label id="lab_acb_OtherComprehensiveIncomeBeforeTaxRealizedGainsLossesFromInvestmentsInEquityInstruments_label_en-US" xlink:label="lab_acb_OtherComprehensiveIncomeBeforeTaxRealizedGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Comprehensive Income, Before Tax, Realized Gains (Losses) From Investments In Equity Instruments </link:label>
<link:label id="lab_acb_OtherComprehensiveIncomeBeforeTaxRealizedGainsLossesFromInvestmentsInEquityInstruments_documentation_en-US" xlink:label="lab_acb_OtherComprehensiveIncomeBeforeTaxRealizedGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Comprehensive Income, Before Tax, Realized Gains (Losses) From Investments In Equity Instruments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OtherComprehensiveIncomeBeforeTaxRealizedGainsLossesFromInvestmentsInEquityInstruments" xlink:href="acb-20210630.xsd#acb_OtherComprehensiveIncomeBeforeTaxRealizedGainsLossesFromInvestmentsInEquityInstruments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OtherComprehensiveIncomeBeforeTaxRealizedGainsLossesFromInvestmentsInEquityInstruments" xlink:to="lab_acb_OtherComprehensiveIncomeBeforeTaxRealizedGainsLossesFromInvestmentsInEquityInstruments" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DerivativesMember_758a9135-22cd-45f3-8ae0-fe6907483ad2_terseLabel_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivatives </link:label>
<link:label id="lab_ifrs-full_DerivativesMember_7369a460-9b38-42b8-ab40-b71446f66111_verboseLabel_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivative assets </link:label>
<link:label id="lab_ifrs-full_DerivativesMember_label_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivatives [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DerivativesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativesMember" xlink:to="lab_ifrs-full_DerivativesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DebtRestructuringAgreementRoyaltyPaymentPercentage_331c90be-a9eb-47e9-a45c-88a171cb370f_terseLabel_en-US" xlink:label="lab_acb_DebtRestructuringAgreementRoyaltyPaymentPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt restructuring agreement, royalty payment percentage </link:label>
<link:label id="lab_acb_DebtRestructuringAgreementRoyaltyPaymentPercentage_label_en-US" xlink:label="lab_acb_DebtRestructuringAgreementRoyaltyPaymentPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Restructuring Agreement, Royalty Payment Percentage </link:label>
<link:label id="lab_acb_DebtRestructuringAgreementRoyaltyPaymentPercentage_documentation_en-US" xlink:label="lab_acb_DebtRestructuringAgreementRoyaltyPaymentPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Restructuring Agreement, Royalty Payment Percentage </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DebtRestructuringAgreementRoyaltyPaymentPercentage" xlink:href="acb-20210630.xsd#acb_DebtRestructuringAgreementRoyaltyPaymentPercentage"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DebtRestructuringAgreementRoyaltyPaymentPercentage" xlink:to="lab_acb_DebtRestructuringAgreementRoyaltyPaymentPercentage" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ProceedsFromSaleOfOrdinaryShares_aebcbfe4-a4e3-446f-8fbb-f44bca325894_terseLabel_en-US" xlink:label="lab_acb_ProceedsFromSaleOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from sale of common shares </link:label>
<link:label id="lab_acb_ProceedsFromSaleOfOrdinaryShares_label_en-US" xlink:label="lab_acb_ProceedsFromSaleOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds From Sale Of Ordinary Shares </link:label>
<link:label id="lab_acb_ProceedsFromSaleOfOrdinaryShares_documentation_en-US" xlink:label="lab_acb_ProceedsFromSaleOfOrdinaryShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds From Sale Of Ordinary Shares </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ProceedsFromSaleOfOrdinaryShares" xlink:href="acb-20210630.xsd#acb_ProceedsFromSaleOfOrdinaryShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ProceedsFromSaleOfOrdinaryShares" xlink:to="lab_acb_ProceedsFromSaleOfOrdinaryShares" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfShareOptionsAbstract_0e459c8f-0a29-4e24-abd4-010ca82303c2_terseLabel_en-US" xlink:label="lab_acb_NumberOfShareOptionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Stock Options (#) </link:label>
<link:label id="lab_acb_NumberOfShareOptionsAbstract_label_en-US" xlink:label="lab_acb_NumberOfShareOptionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Share Options [Abstract] </link:label>
<link:label id="lab_acb_NumberOfShareOptionsAbstract_documentation_en-US" xlink:label="lab_acb_NumberOfShareOptionsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Share Options [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfShareOptionsAbstract" xlink:href="acb-20210630.xsd#acb_NumberOfShareOptionsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfShareOptionsAbstract" xlink:to="lab_acb_NumberOfShareOptionsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RelatedpartyAbstract_66dfe592-6302-4077-b265-65a850607bad_terseLabel_en-US" xlink:label="lab_acb_RelatedpartyAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Related party [Abstract] </link:label>
<link:label id="lab_acb_RelatedpartyAbstract_label_en-US" xlink:label="lab_acb_RelatedpartyAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Related party [Abstract] </link:label>
<link:label id="lab_acb_RelatedpartyAbstract_documentation_en-US" xlink:label="lab_acb_RelatedpartyAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Related party [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RelatedpartyAbstract" xlink:href="acb-20210630.xsd#acb_RelatedpartyAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RelatedpartyAbstract" xlink:to="lab_acb_RelatedpartyAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsTable_2362db0a-a592-4d17-8b76-92005de6fab1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of maturity analysis of operating lease payments [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of maturity analysis of operating lease payments [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsTable" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis_00fd402c-1bf1-4293-841e-66b0f173e9bf_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of financial liabilities [axis] </link:label>
<link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of financial liabilities [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GovernmentGrantsByTypeAxis_97901f09-0252-42c7-b6c5-ec7b5f0862d7_terseLabel_en-US" xlink:label="lab_acb_GovernmentGrantsByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Government Grants By Type [Axis] </link:label>
<link:label id="lab_acb_GovernmentGrantsByTypeAxis_label_en-US" xlink:label="lab_acb_GovernmentGrantsByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Government Grants By Type [Axis] </link:label>
<link:label id="lab_acb_GovernmentGrantsByTypeAxis_documentation_en-US" xlink:label="lab_acb_GovernmentGrantsByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Government Grants By Type </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GovernmentGrantsByTypeAxis" xlink:href="acb-20210630.xsd#acb_GovernmentGrantsByTypeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_GovernmentGrantsByTypeAxis" xlink:to="lab_acb_GovernmentGrantsByTypeAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityClassActionDMember_8a765a45-a427-495a-8573-a88b81a95968_terseLabel_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClassActionDMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal proceedings contingent liability, class action D </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityClassActionDMember_label_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClassActionDMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Class Action D [Member] </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityClassActionDMember_documentation_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClassActionDMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Class Action D </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LegalProceedingsContingentLiabilityClassActionDMember" xlink:href="acb-20210630.xsd#acb_LegalProceedingsContingentLiabilityClassActionDMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LegalProceedingsContingentLiabilityClassActionDMember" xlink:to="lab_acb_LegalProceedingsContingentLiabilityClassActionDMember" xlink:type="arc" order="1"/>
<link:label id="lab_dei_SecurityExchangeName_fab96a42-d051-4c5a-9cb8-418e1a0a0a40_terseLabel_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Security Exchange Name </link:label>
<link:label id="lab_dei_SecurityExchangeName_label_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Security Exchange Name </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_SecurityExchangeName"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SecurityExchangeName" xlink:to="lab_dei_SecurityExchangeName" xlink:type="arc" order="1"/>
<link:label id="lab_acb_EventsafterreportingperiodAbstract_b5df777f-23b3-46ef-a689-8538b64c1917_terseLabel_en-US" xlink:label="lab_acb_EventsafterreportingperiodAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Events after reporting period [Abstract] </link:label>
<link:label id="lab_acb_EventsafterreportingperiodAbstract_label_en-US" xlink:label="lab_acb_EventsafterreportingperiodAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Events after reporting period [Abstract] </link:label>
<link:label id="lab_acb_EventsafterreportingperiodAbstract_documentation_en-US" xlink:label="lab_acb_EventsafterreportingperiodAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Events after reporting period [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_EventsafterreportingperiodAbstract" xlink:href="acb-20210630.xsd#acb_EventsafterreportingperiodAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_EventsafterreportingperiodAbstract" xlink:to="lab_acb_EventsafterreportingperiodAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_WhistlerMedicalMarijuanaCorporationMember_c03b47c8-9b6f-488c-bd03-51216e90cf0d_verboseLabel_en-US" xlink:label="lab_acb_WhistlerMedicalMarijuanaCorporationMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Whistler Medical Marijuana Corporation (“Whistler”) </link:label>
<link:label id="lab_acb_WhistlerMedicalMarijuanaCorporationMember_2eb38411-0a4c-47de-b8da-02b581e944ac_terseLabel_en-US" xlink:label="lab_acb_WhistlerMedicalMarijuanaCorporationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Whistler </link:label>
<link:label id="lab_acb_WhistlerMedicalMarijuanaCorporationMember_label_en-US" xlink:label="lab_acb_WhistlerMedicalMarijuanaCorporationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Whistler Medical Marijuana Corporation [Member] </link:label>
<link:label id="lab_acb_WhistlerMedicalMarijuanaCorporationMember_documentation_en-US" xlink:label="lab_acb_WhistlerMedicalMarijuanaCorporationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Whistler Medical Marijuana Corporation [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_WhistlerMedicalMarijuanaCorporationMember" xlink:href="acb-20210630.xsd#acb_WhistlerMedicalMarijuanaCorporationMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_WhistlerMedicalMarijuanaCorporationMember" xlink:to="lab_acb_WhistlerMedicalMarijuanaCorporationMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePricePercentageGreaterThanConversionPrice_fe70a25a-c85f-4e23-83a6-14bd9cacf79a_terseLabel_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePricePercentageGreaterThanConversionPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants, exercise price, percentage greater than conversion price </link:label>
<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePricePercentageGreaterThanConversionPrice_label_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePricePercentageGreaterThanConversionPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Composition Of Financial Assets Purchased, Warrants, Exercise Price, Percentage Greater Than Conversion Price </link:label>
<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePricePercentageGreaterThanConversionPrice_documentation_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePricePercentageGreaterThanConversionPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Composition Of Financial Assets Purchased, Warrants, Exercise Price, Percentage Greater Than Conversion Price </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePricePercentageGreaterThanConversionPrice" xlink:href="acb-20210630.xsd#acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePricePercentageGreaterThanConversionPrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePricePercentageGreaterThanConversionPrice" xlink:to="lab_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePricePercentageGreaterThanConversionPrice" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RestructuringTypeDomain_06610005-68c1-4f6d-bd7c-9cb1c6fbedce_terseLabel_en-US" xlink:label="lab_acb_RestructuringTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Type [Domain] </link:label>
<link:label id="lab_acb_RestructuringTypeDomain_label_en-US" xlink:label="lab_acb_RestructuringTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Type [Domain] </link:label>
<link:label id="lab_acb_RestructuringTypeDomain_documentation_en-US" xlink:label="lab_acb_RestructuringTypeDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Type [Domain] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RestructuringTypeDomain" xlink:href="acb-20210630.xsd#acb_RestructuringTypeDomain"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RestructuringTypeDomain" xlink:to="lab_acb_RestructuringTypeDomain" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CounterpartiesMember_4697e409-44fc-46fe-92cc-f1f9c6713392_terseLabel_en-US" xlink:label="lab_ifrs-full_CounterpartiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Counterparties [member] </link:label>
<link:label id="lab_ifrs-full_CounterpartiesMember_label_en-US" xlink:label="lab_ifrs-full_CounterpartiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Counterparties [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CounterpartiesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CounterpartiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CounterpartiesMember" xlink:to="lab_ifrs-full_CounterpartiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_46533e65-4511-42c6-bce3-a034ecd174b1_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss Per Share </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for earnings per share [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NumberOfSharesOutstanding_059964a5-4a37-4fde-be52-a4950241253d_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Beginning balance (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfSharesOutstanding_3d490fe1-8093-4e2c-a796-4df014e9f257_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ending balance (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfSharesOutstanding_7ac96a33-671a-4aa7-bacc-55eb68f4ce7a_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of shares outstanding (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfSharesOutstanding_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of shares outstanding </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesOutstanding" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NumberOfSharesOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesOutstanding" xlink:to="lab_ifrs-full_NumberOfSharesOutstanding" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AmountsReceivableAnnualRepaymentBasisPercentageofBorrowerEBITDA_5a91cc9c-98e4-4f6c-af61-c438ada3e18e_terseLabel_en-US" xlink:label="lab_acb_AmountsReceivableAnnualRepaymentBasisPercentageofBorrowerEBITDA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Annual repayment basis on related party loan receivable, percentage of borrower EBITDA </link:label>
<link:label id="lab_acb_AmountsReceivableAnnualRepaymentBasisPercentageofBorrowerEBITDA_label_en-US" xlink:label="lab_acb_AmountsReceivableAnnualRepaymentBasisPercentageofBorrowerEBITDA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts Receivable, Annual Repayment Basis, Percentage of Borrower EBITDA </link:label>
<link:label id="lab_acb_AmountsReceivableAnnualRepaymentBasisPercentageofBorrowerEBITDA_documentation_en-US" xlink:label="lab_acb_AmountsReceivableAnnualRepaymentBasisPercentageofBorrowerEBITDA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts Receivable, Annual Repayment Basis, Percentage of Borrower EBITDA </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AmountsReceivableAnnualRepaymentBasisPercentageofBorrowerEBITDA" xlink:href="acb-20210630.xsd#acb_AmountsReceivableAnnualRepaymentBasisPercentageofBorrowerEBITDA"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AmountsReceivableAnnualRepaymentBasisPercentageofBorrowerEBITDA" xlink:to="lab_acb_AmountsReceivableAnnualRepaymentBasisPercentageofBorrowerEBITDA" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxAssetsDerivativesMember_bcf541a9-b49f-47a4-bab1-5ab433e943ce_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxAssetsDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivatives </link:label>
<link:label id="lab_acb_DeferredTaxAssetsDerivativesMember_label_en-US" xlink:label="lab_acb_DeferredTaxAssetsDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Derivatives [Member] </link:label>
<link:label id="lab_acb_DeferredTaxAssetsDerivativesMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxAssetsDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Derivatives [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxAssetsDerivativesMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxAssetsDerivativesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxAssetsDerivativesMember" xlink:to="lab_acb_DeferredTaxAssetsDerivativesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_EntitysTotalForBusinessCombinationsMember_37c25bd9-b5a8-4dfd-b11f-84b17875c0db_terseLabel_en-US" xlink:label="lab_ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity's total for business combinations [member] </link:label>
<link:label id="lab_ifrs-full_EntitysTotalForBusinessCombinationsMember_label_en-US" xlink:label="lab_ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity's total for business combinations [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EntitysTotalForBusinessCombinationsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:to="lab_ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AuroraSkyFacilityMember_0141687d-3f06-4e00-87e1-2a627dd7bd6f_terseLabel_en-US" xlink:label="lab_acb_AuroraSkyFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Sky Facility </link:label>
<link:label id="lab_acb_AuroraSkyFacilityMember_label_en-US" xlink:label="lab_acb_AuroraSkyFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Sky Facility [Member] </link:label>
<link:label id="lab_acb_AuroraSkyFacilityMember_documentation_en-US" xlink:label="lab_acb_AuroraSkyFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Sky Facility </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AuroraSkyFacilityMember" xlink:href="acb-20210630.xsd#acb_AuroraSkyFacilityMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AuroraSkyFacilityMember" xlink:to="lab_acb_AuroraSkyFacilityMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ReconciliationOfChangesInBiologicalAssetsAbstract_2ba10b2d-d716-4020-b330-188201c49f7b_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInBiologicalAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reconciliation of changes in biological assets [abstract] </link:label>
<link:label id="lab_ifrs-full_ReconciliationOfChangesInBiologicalAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInBiologicalAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reconciliation of changes in biological assets [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInBiologicalAssetsAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ReconciliationOfChangesInBiologicalAssetsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInBiologicalAssetsAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInBiologicalAssetsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RevenueFromInterest_d2f3dd7f-c890-4ba4-a854-c59842eee58d_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest income </link:label>
<link:label id="lab_ifrs-full_RevenueFromInterest_label_en-US" xlink:label="lab_ifrs-full_RevenueFromInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest income </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromInterest" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueFromInterest"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromInterest" xlink:to="lab_ifrs-full_RevenueFromInterest" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation_d6bf406d-8458-4913-9203-d77d704fd36f_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Foreign currency translation loss </link:label>
<link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other comprehensive income, before tax, exchange differences on translation </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CanadianCustomEquipmentMember_0f11411c-ec4e-4116-83cb-158bff3a659d_terseLabel_en-US" xlink:label="lab_acb_CanadianCustomEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canadian Custom Equipment </link:label>
<link:label id="lab_acb_CanadianCustomEquipmentMember_label_en-US" xlink:label="lab_acb_CanadianCustomEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canadian Custom Equipment [Member] </link:label>
<link:label id="lab_acb_CanadianCustomEquipmentMember_documentation_en-US" xlink:label="lab_acb_CanadianCustomEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canadian Custom Equipment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CanadianCustomEquipmentMember" xlink:href="acb-20210630.xsd#acb_CanadianCustomEquipmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CanadianCustomEquipmentMember" xlink:to="lab_acb_CanadianCustomEquipmentMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_InventoryWritedown2011_9aaad390-bdf1-4316-b079-8836c0fc31af_terseLabel_en-US" xlink:label="lab_ifrs-full_InventoryWritedown2011" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventory impairment charges </link:label>
<link:label id="lab_ifrs-full_InventoryWritedown2011_label_en-US" xlink:label="lab_ifrs-full_InventoryWritedown2011" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventory write-down </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InventoryWritedown2011" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InventoryWritedown2011"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InventoryWritedown2011" xlink:to="lab_ifrs-full_InventoryWritedown2011" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfWarrantsPerUnit_12c01876-1155-4788-83ef-a9aad99fc98e_verboseLabel_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfWarrantsPerUnit" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of warrants in each unit </link:label>
<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfWarrantsPerUnit_label_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfWarrantsPerUnit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Composition Of Financial Assets Purchased, Number Of Warrants Per Unit </link:label>
<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfWarrantsPerUnit_documentation_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfWarrantsPerUnit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Composition Of Financial Assets Purchased, Number Of Warrants Per Unit </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CompositionOfFinancialAssetsPurchasedNumberOfWarrantsPerUnit" xlink:href="acb-20210630.xsd#acb_CompositionOfFinancialAssetsPurchasedNumberOfWarrantsPerUnit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CompositionOfFinancialAssetsPurchasedNumberOfWarrantsPerUnit" xlink:to="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfWarrantsPerUnit" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DebenturesInterestAccrued_7831f8ad-ee38-440d-b59e-c9dd33366643_terseLabel_en-US" xlink:label="lab_acb_DebenturesInterestAccrued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accrued interest </link:label>
<link:label id="lab_acb_DebenturesInterestAccrued_label_en-US" xlink:label="lab_acb_DebenturesInterestAccrued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debentures, Interest Accrued </link:label>
<link:label id="lab_acb_DebenturesInterestAccrued_documentation_en-US" xlink:label="lab_acb_DebenturesInterestAccrued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debentures, Interest Accrued </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DebenturesInterestAccrued" xlink:href="acb-20210630.xsd#acb_DebenturesInterestAccrued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DebenturesInterestAccrued" xlink:to="lab_acb_DebenturesInterestAccrued" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossDeposits_99c47123-e53d-45eb-bed8-e9cb2f4e605a_negatedLabel_en-US" xlink:label="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossDeposits" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment of deposits </link:label>
<link:label id="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossDeposits_dc10dad9-3519-4b6e-b6a0-0fc6f5b3b164_terseLabel_en-US" xlink:label="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossDeposits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment of deposits </link:label>
<link:label id="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossDeposits_label_en-US" xlink:label="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossDeposits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment Loss (Reversal Of Impairment Loss) Recognised In Profit Or Loss, Deposits </link:label>
<link:label id="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossDeposits_documentation_en-US" xlink:label="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossDeposits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment Loss (Reversal Of Impairment Loss) Recognised In Profit Or Loss, Deposits </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossDeposits" xlink:href="acb-20210630.xsd#acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossDeposits"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossDeposits" xlink:to="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossDeposits" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CanadaEmergencyWageSubsidyProgramMember_8a556738-976c-4351-b26a-f3f9367a1621_terseLabel_en-US" xlink:label="lab_acb_CanadaEmergencyWageSubsidyProgramMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> CEWS Program </link:label>
<link:label id="lab_acb_CanadaEmergencyWageSubsidyProgramMember_label_en-US" xlink:label="lab_acb_CanadaEmergencyWageSubsidyProgramMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canada Emergency Wage Subsidy Program [Member] </link:label>
<link:label id="lab_acb_CanadaEmergencyWageSubsidyProgramMember_documentation_en-US" xlink:label="lab_acb_CanadaEmergencyWageSubsidyProgramMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canada Emergency Wage Subsidy Program </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CanadaEmergencyWageSubsidyProgramMember" xlink:href="acb-20210630.xsd#acb_CanadaEmergencyWageSubsidyProgramMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CanadaEmergencyWageSubsidyProgramMember" xlink:to="lab_acb_CanadaEmergencyWageSubsidyProgramMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LeaseLiabilities_9352d2f5-19c4-447f-94d4-ae7b153b914d_periodStartLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Beginning balance </link:label>
<link:label id="lab_ifrs-full_LeaseLiabilities_e2b05c3c-cc60-42f1-9d38-172f9329c7e8_totalLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ending balance </link:label>
<link:label id="lab_ifrs-full_LeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LeaseLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilities" xlink:to="lab_ifrs-full_LeaseLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfOtherEquityInstrumentsAbstract_0ca660fd-3aa7-4a44-9dba-14b945e2d925_terseLabel_en-US" xlink:label="lab_acb_NumberOfOtherEquityInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> RSUs and DSUs (#) </link:label>
<link:label id="lab_acb_NumberOfOtherEquityInstrumentsAbstract_label_en-US" xlink:label="lab_acb_NumberOfOtherEquityInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Other Equity Instruments [Abstract] </link:label>
<link:label id="lab_acb_NumberOfOtherEquityInstrumentsAbstract_documentation_en-US" xlink:label="lab_acb_NumberOfOtherEquityInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Other Equity Instruments [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfOtherEquityInstrumentsAbstract" xlink:href="acb-20210630.xsd#acb_NumberOfOtherEquityInstrumentsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfOtherEquityInstrumentsAbstract" xlink:to="lab_acb_NumberOfOtherEquityInstrumentsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_01a19337-0db7-4a57-bdd6-b8fc369a36fb_verboseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aggregate share-based compensation expense </link:label>
<link:label id="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_label_en-US" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expense from share-based payment transactions with employees </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:to="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FairValueOfSharesIssuedForAcquisition_84318651-4b64-40b1-8f27-f379a965f670_terseLabel_en-US" xlink:label="lab_acb_FairValueOfSharesIssuedForAcquisition" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share capital </link:label>
<link:label id="lab_acb_FairValueOfSharesIssuedForAcquisition_label_en-US" xlink:label="lab_acb_FairValueOfSharesIssuedForAcquisition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair Value Of Shares Issued For Acquisition </link:label>
<link:label id="lab_acb_FairValueOfSharesIssuedForAcquisition_documentation_en-US" xlink:label="lab_acb_FairValueOfSharesIssuedForAcquisition" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair Value Of Shares Issued For Acquisition </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FairValueOfSharesIssuedForAcquisition" xlink:href="acb-20210630.xsd#acb_FairValueOfSharesIssuedForAcquisition"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FairValueOfSharesIssuedForAcquisition" xlink:to="lab_acb_FairValueOfSharesIssuedForAcquisition" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate_f5b34022-7a0e-4cb3-8b8d-f3aed2c2c05d_terseLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash </link:label>
<link:label id="lab_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate_748d5877-b532-4bfa-9735-1ed7fa3bcb6c_verboseLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash acquired </link:label>
<link:label id="lab_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash and cash equivalents recognised as of acquisition date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncreaseDecreaseThroughExerciseOfRestrictedStockUnitsAndDeferredShareUnitsEquity_14636a8f-ba9b-4a50-9fb0-4e292fc44019_terseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughExerciseOfRestrictedStockUnitsAndDeferredShareUnitsEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise of RSUs and DSUs </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughExerciseOfRestrictedStockUnitsAndDeferredShareUnitsEquity_label_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughExerciseOfRestrictedStockUnitsAndDeferredShareUnitsEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Exercise Of Restricted Stock Units And Deferred Share Units, Equity </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughExerciseOfRestrictedStockUnitsAndDeferredShareUnitsEquity_documentation_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughExerciseOfRestrictedStockUnitsAndDeferredShareUnitsEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Exercise Of Restricted Stock Units And Deferred Share Units, Equity </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseDecreaseThroughExerciseOfRestrictedStockUnitsAndDeferredShareUnitsEquity" xlink:href="acb-20210630.xsd#acb_IncreaseDecreaseThroughExerciseOfRestrictedStockUnitsAndDeferredShareUnitsEquity"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncreaseDecreaseThroughExerciseOfRestrictedStockUnitsAndDeferredShareUnitsEquity" xlink:to="lab_acb_IncreaseDecreaseThroughExerciseOfRestrictedStockUnitsAndDeferredShareUnitsEquity" xlink:type="arc" order="1"/>
<link:label id="lab_acb_MeasurementPeriodAdjustmentRecognisedForConsiderationTransferredAcquisitionDateFairValue_d7150785-76f5-4379-aab3-758683590545_terseLabel_en-US" xlink:label="lab_acb_MeasurementPeriodAdjustmentRecognisedForConsiderationTransferredAcquisitionDateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Consideration payable </link:label>
<link:label id="lab_acb_MeasurementPeriodAdjustmentRecognisedForConsiderationTransferredAcquisitionDateFairValue_label_en-US" xlink:label="lab_acb_MeasurementPeriodAdjustmentRecognisedForConsiderationTransferredAcquisitionDateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Measurement Period Adjustment Recognised For Consideration Transferred, Acquisition-Date Fair Value </link:label>
<link:label id="lab_acb_MeasurementPeriodAdjustmentRecognisedForConsiderationTransferredAcquisitionDateFairValue_documentation_en-US" xlink:label="lab_acb_MeasurementPeriodAdjustmentRecognisedForConsiderationTransferredAcquisitionDateFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Measurement Period Adjustment Recognised For Consideration Transferred, Acquisition-Date Fair Value </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_MeasurementPeriodAdjustmentRecognisedForConsiderationTransferredAcquisitionDateFairValue" xlink:href="acb-20210630.xsd#acb_MeasurementPeriodAdjustmentRecognisedForConsiderationTransferredAcquisitionDateFairValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_MeasurementPeriodAdjustmentRecognisedForConsiderationTransferredAcquisitionDateFairValue" xlink:to="lab_acb_MeasurementPeriodAdjustmentRecognisedForConsiderationTransferredAcquisitionDateFairValue" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_61d9f3e6-122d-4453-b90b-d722c515bde1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, Plant and Equipment </link:label>
<link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about property, plant and equipment [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableLineItems_2d7eb5df-4757-48bf-badf-549125a204af_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of maturity analysis of finance lease payments receivable [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of maturity analysis of finance lease payments receivable [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableLineItems" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OtherEquityInstrumentsLifeOtherEquityInstrumentsGranted_9b79f6ec-a7e4-41ff-aa18-be7a0e3b3b11_terseLabel_en-US" xlink:label="lab_acb_OtherEquityInstrumentsLifeOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected life of options (years) </link:label>
<link:label id="lab_acb_OtherEquityInstrumentsLifeOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_acb_OtherEquityInstrumentsLifeOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Equity Instruments Life, Other Equity Instruments Granted </link:label>
<link:label id="lab_acb_OtherEquityInstrumentsLifeOtherEquityInstrumentsGranted_documentation_en-US" xlink:label="lab_acb_OtherEquityInstrumentsLifeOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Equity Instruments Life, Other Equity Instruments Granted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OtherEquityInstrumentsLifeOtherEquityInstrumentsGranted" xlink:href="acb-20210630.xsd#acb_OtherEquityInstrumentsLifeOtherEquityInstrumentsGranted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OtherEquityInstrumentsLifeOtherEquityInstrumentsGranted" xlink:to="lab_acb_OtherEquityInstrumentsLifeOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CanadianPrimeRateMember_b9a8a8cd-303f-4b05-a290-eea794abf25c_terseLabel_en-US" xlink:label="lab_acb_CanadianPrimeRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canadian Prime Rate </link:label>
<link:label id="lab_acb_CanadianPrimeRateMember_label_en-US" xlink:label="lab_acb_CanadianPrimeRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canadian Prime Rate [Member] </link:label>
<link:label id="lab_acb_CanadianPrimeRateMember_documentation_en-US" xlink:label="lab_acb_CanadianPrimeRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canadian Prime Rate [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CanadianPrimeRateMember" xlink:href="acb-20210630.xsd#acb_CanadianPrimeRateMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CanadianPrimeRateMember" xlink:to="lab_acb_CanadianPrimeRateMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AccountsReceivableRecognizedAsOfAcquisitionDate_7e6201e1-8100-41bc-b8f1-eb85574877b9_verboseLabel_en-US" xlink:label="lab_acb_AccountsReceivableRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts receivable </link:label>
<link:label id="lab_acb_AccountsReceivableRecognizedAsOfAcquisitionDate_label_en-US" xlink:label="lab_acb_AccountsReceivableRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts Receivable Recognized As Of Acquisition Date </link:label>
<link:label id="lab_acb_AccountsReceivableRecognizedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_acb_AccountsReceivableRecognizedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts Receivable Recognized As Of Acquisition Date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AccountsReceivableRecognizedAsOfAcquisitionDate" xlink:href="acb-20210630.xsd#acb_AccountsReceivableRecognizedAsOfAcquisitionDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AccountsReceivableRecognizedAsOfAcquisitionDate" xlink:to="lab_acb_AccountsReceivableRecognizedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
<link:label id="lab_acb_UnrestrictedBMOCashAndCashEquivalents_447444d2-352b-4117-8788-4987418f3cd5_terseLabel_en-US" xlink:label="lab_acb_UnrestrictedBMOCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrestricted cash and cash equivalents </link:label>
<link:label id="lab_acb_UnrestrictedBMOCashAndCashEquivalents_label_en-US" xlink:label="lab_acb_UnrestrictedBMOCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrestricted BMO Cash And Cash Equivalents </link:label>
<link:label id="lab_acb_UnrestrictedBMOCashAndCashEquivalents_documentation_en-US" xlink:label="lab_acb_UnrestrictedBMOCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrestricted BMO Cash And Cash Equivalents </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_UnrestrictedBMOCashAndCashEquivalents" xlink:href="acb-20210630.xsd#acb_UnrestrictedBMOCashAndCashEquivalents"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_UnrestrictedBMOCashAndCashEquivalents" xlink:to="lab_acb_UnrestrictedBMOCashAndCashEquivalents" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss_cf4f30d2-3214-4b13-b029-5e143276511e_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment </link:label>
<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss_d04e1ac4-cac0-47e4-a4fc-3f3b2081d896_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment </link:label>
<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss_e90afbe6-d5d2-4b81-bbe1-0f8d791a09ac_verboseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment loss recognised in profit or loss </link:label>
<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment loss recognised in profit or loss </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsConversionNumberOfEquityInstrumentsConverted_eccd0c4a-fcba-4199-9d22-775a2e5c0626_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsConversionNumberOfEquityInstrumentsConverted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of equity instruments converted (in shares) </link:label>
<link:label id="lab_acb_FinancialAssetsConversionNumberOfEquityInstrumentsConverted_label_en-US" xlink:label="lab_acb_FinancialAssetsConversionNumberOfEquityInstrumentsConverted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Conversion, Number Of Equity Instruments Converted </link:label>
<link:label id="lab_acb_FinancialAssetsConversionNumberOfEquityInstrumentsConverted_documentation_en-US" xlink:label="lab_acb_FinancialAssetsConversionNumberOfEquityInstrumentsConverted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Conversion, Number Of Equity Instruments Converted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsConversionNumberOfEquityInstrumentsConverted" xlink:href="acb-20210630.xsd#acb_FinancialAssetsConversionNumberOfEquityInstrumentsConverted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsConversionNumberOfEquityInstrumentsConverted" xlink:to="lab_acb_FinancialAssetsConversionNumberOfEquityInstrumentsConverted" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncomeTaxesReceivableCurrent1_2465104c-6faf-4bbd-b09c-d0b64c62a59f_terseLabel_en-US" xlink:label="lab_acb_IncomeTaxesReceivableCurrent1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income taxes receivable </link:label>
<link:label id="lab_acb_IncomeTaxesReceivableCurrent1_label_en-US" xlink:label="lab_acb_IncomeTaxesReceivableCurrent1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Taxes Receivable, Current1 </link:label>
<link:label id="lab_acb_IncomeTaxesReceivableCurrent1_documentation_en-US" xlink:label="lab_acb_IncomeTaxesReceivableCurrent1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Taxes Receivable, Current </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncomeTaxesReceivableCurrent1" xlink:href="acb-20210630.xsd#acb_IncomeTaxesReceivableCurrent1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncomeTaxesReceivableCurrent1" xlink:to="lab_acb_IncomeTaxesReceivableCurrent1" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProceedsFromNoncurrentBorrowings_0671bbfd-0450-48aa-b0c9-1a65e84fd270_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from long-term loans </link:label>
<link:label id="lab_ifrs-full_ProceedsFromNoncurrentBorrowings_421b83a4-1b3a-403e-afc1-7d136b09d972_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from loan </link:label>
<link:label id="lab_ifrs-full_ProceedsFromNoncurrentBorrowings_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from non-current borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromNoncurrentBorrowings" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromNoncurrentBorrowings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromNoncurrentBorrowings" xlink:to="lab_ifrs-full_ProceedsFromNoncurrentBorrowings" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LandAndRealEstateMember_e93b5a80-727f-4837-8eca-af71e84a6678_terseLabel_en-US" xlink:label="lab_acb_LandAndRealEstateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Land and Real Estate </link:label>
<link:label id="lab_acb_LandAndRealEstateMember_label_en-US" xlink:label="lab_acb_LandAndRealEstateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Land And Real Estate [Member] </link:label>
<link:label id="lab_acb_LandAndRealEstateMember_documentation_en-US" xlink:label="lab_acb_LandAndRealEstateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Land And Real Estate [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LandAndRealEstateMember" xlink:href="acb-20210630.xsd#acb_LandAndRealEstateMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LandAndRealEstateMember" xlink:to="lab_acb_LandAndRealEstateMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments_9b31f0a7-659e-4110-b7e1-292902c5ae79_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Losses on marketable securities </link:label>
<link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments_db256673-8d46-40ab-9e20-094287398a36_negatedLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized losses on marketable securities </link:label>
<link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other comprehensive income, before tax, gains (losses) from investments in equity instruments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:type="arc" order="1"/>
<link:label id="lab_acb_JuneUnitIssuanceMember_cc07bf25-eb18-4335-bff9-8784e888055c_terseLabel_en-US" xlink:label="lab_acb_JuneUnitIssuanceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> June Unit Issuance </link:label>
<link:label id="lab_acb_JuneUnitIssuanceMember_label_en-US" xlink:label="lab_acb_JuneUnitIssuanceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> June Unit Issuance [Member] </link:label>
<link:label id="lab_acb_JuneUnitIssuanceMember_documentation_en-US" xlink:label="lab_acb_JuneUnitIssuanceMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> June Unit Issuance </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_JuneUnitIssuanceMember" xlink:href="acb-20210630.xsd#acb_JuneUnitIssuanceMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_JuneUnitIssuanceMember" xlink:to="lab_acb_JuneUnitIssuanceMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_024c9ca6-125d-4118-ae0c-637d366e0bfe_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Foreign Currency Translation </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for foreign currency translation [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable_f9ed362c-f7af-4c83-9c60-8efcaa34a285_verboseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of shares issued for acquisition (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable_label_en-US" xlink:label="lab_ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of instruments or interests issued or issuable </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable" xlink:to="lab_ifrs-full_NumberOfInstrumentsOrInterestsIssuedOrIssuable" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AcquisitionDatePurchasePriceAllocationAbstract_56d2fc49-1b93-4f73-986d-85cc4b71777b_terseLabel_en-US" xlink:label="lab_acb_AcquisitionDatePurchasePriceAllocationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Purchase price allocation </link:label>
<link:label id="lab_acb_AcquisitionDatePurchasePriceAllocationAbstract_label_en-US" xlink:label="lab_acb_AcquisitionDatePurchasePriceAllocationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition-Date Purchase Price Allocation [Abstract] </link:label>
<link:label id="lab_acb_AcquisitionDatePurchasePriceAllocationAbstract_documentation_en-US" xlink:label="lab_acb_AcquisitionDatePurchasePriceAllocationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition-Date Purchase Price Allocation </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AcquisitionDatePurchasePriceAllocationAbstract" xlink:href="acb-20210630.xsd#acb_AcquisitionDatePurchasePriceAllocationAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AcquisitionDatePurchasePriceAllocationAbstract" xlink:to="lab_acb_AcquisitionDatePurchasePriceAllocationAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_SeriesAPreferenceSharesMember_e093d112-056d-4f06-b90f-26f7e34016ee_terseLabel_en-US" xlink:label="lab_acb_SeriesAPreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Series A Preference Shares </link:label>
<link:label id="lab_acb_SeriesAPreferenceSharesMember_label_en-US" xlink:label="lab_acb_SeriesAPreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Series A Preference Shares [Member] </link:label>
<link:label id="lab_acb_SeriesAPreferenceSharesMember_documentation_en-US" xlink:label="lab_acb_SeriesAPreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Series A Preference Shares </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_SeriesAPreferenceSharesMember" xlink:href="acb-20210630.xsd#acb_SeriesAPreferenceSharesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_SeriesAPreferenceSharesMember" xlink:to="lab_acb_SeriesAPreferenceSharesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfSharesReturnedToTreasury_c1af6784-268f-475c-972f-0319be3ceafc_negatedTerseLabel_en-US" xlink:label="lab_acb_NumberOfSharesReturnedToTreasury" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shares returned to treasury (in shares) </link:label>
<link:label id="lab_acb_NumberOfSharesReturnedToTreasury_label_en-US" xlink:label="lab_acb_NumberOfSharesReturnedToTreasury" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Returned To Treasury </link:label>
<link:label id="lab_acb_NumberOfSharesReturnedToTreasury_documentation_en-US" xlink:label="lab_acb_NumberOfSharesReturnedToTreasury" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Returned To Treasury </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfSharesReturnedToTreasury" xlink:href="acb-20210630.xsd#acb_NumberOfSharesReturnedToTreasury"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfSharesReturnedToTreasury" xlink:to="lab_acb_NumberOfSharesReturnedToTreasury" xlink:type="arc" order="1"/>
<link:label id="lab_acb_EuropeanHempCashGeneratingUnitMember_0536715d-062a-478d-8b8b-da94e18a2172_terseLabel_en-US" xlink:label="lab_acb_EuropeanHempCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> European Hemp CGU </link:label>
<link:label id="lab_acb_EuropeanHempCashGeneratingUnitMember_label_en-US" xlink:label="lab_acb_EuropeanHempCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> European Hemp Cash Generating Unit [Member] </link:label>
<link:label id="lab_acb_EuropeanHempCashGeneratingUnitMember_documentation_en-US" xlink:label="lab_acb_EuropeanHempCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> European Hemp Cash Generating Unit [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_EuropeanHempCashGeneratingUnitMember" xlink:href="acb-20210630.xsd#acb_EuropeanHempCashGeneratingUnitMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_EuropeanHempCashGeneratingUnitMember" xlink:to="lab_acb_EuropeanHempCashGeneratingUnitMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RevenueOfAcquireePriorToAcquisitionDate_51a8dac2-6f7c-4091-a7c7-b806dc93dc5e_terseLabel_en-US" xlink:label="lab_acb_RevenueOfAcquireePriorToAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue of acquiree prior to acquisition date </link:label>
<link:label id="lab_acb_RevenueOfAcquireePriorToAcquisitionDate_label_en-US" xlink:label="lab_acb_RevenueOfAcquireePriorToAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue Of Acquiree Prior To Acquisition Date </link:label>
<link:label id="lab_acb_RevenueOfAcquireePriorToAcquisitionDate_documentation_en-US" xlink:label="lab_acb_RevenueOfAcquireePriorToAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue Of Acquiree Prior To Acquisition Date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RevenueOfAcquireePriorToAcquisitionDate" xlink:href="acb-20210630.xsd#acb_RevenueOfAcquireePriorToAcquisitionDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RevenueOfAcquireePriorToAcquisitionDate" xlink:to="lab_acb_RevenueOfAcquireePriorToAcquisitionDate" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DepreciationExpense_7c41344a-6590-433c-8fd0-b31da55050ce_terseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Depreciation expense </link:label>
<link:label id="lab_ifrs-full_DepreciationExpense_label_en-US" xlink:label="lab_ifrs-full_DepreciationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Depreciation expense </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationExpense" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DepreciationExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationExpense" xlink:to="lab_ifrs-full_DepreciationExpense" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DebtInstrumentCovenantComplianceMaximumSeniorFundedDebtToEBTIDARatio_0c211017-e35c-4b08-ac83-11980e373d69_terseLabel_en-US" xlink:label="lab_acb_DebtInstrumentCovenantComplianceMaximumSeniorFundedDebtToEBTIDARatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Senior funded debt to EBITDA, maximum </link:label>
<link:label id="lab_acb_DebtInstrumentCovenantComplianceMaximumSeniorFundedDebtToEBTIDARatio_label_en-US" xlink:label="lab_acb_DebtInstrumentCovenantComplianceMaximumSeniorFundedDebtToEBTIDARatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Instrument, Covenant Compliance, Maximum Senior Funded Debt To EBTIDA Ratio </link:label>
<link:label id="lab_acb_DebtInstrumentCovenantComplianceMaximumSeniorFundedDebtToEBTIDARatio_documentation_en-US" xlink:label="lab_acb_DebtInstrumentCovenantComplianceMaximumSeniorFundedDebtToEBTIDARatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Instrument, Covenant Compliance, Maximum Senior Funded Debt To EBTIDA Ratio </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DebtInstrumentCovenantComplianceMaximumSeniorFundedDebtToEBTIDARatio" xlink:href="acb-20210630.xsd#acb_DebtInstrumentCovenantComplianceMaximumSeniorFundedDebtToEBTIDARatio"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DebtInstrumentCovenantComplianceMaximumSeniorFundedDebtToEBTIDARatio" xlink:to="lab_acb_DebtInstrumentCovenantComplianceMaximumSeniorFundedDebtToEBTIDARatio" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdjustmentsForAmortisationExpense_ef809928-2a75-41ba-96e2-d817c1d3a1e8_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amortization of intangible assets </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForAmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for amortisation expense </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForAmortisationExpense" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForAmortisationExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForAmortisationExpense" xlink:to="lab_ifrs-full_AdjustmentsForAmortisationExpense" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTax_695c8612-bf79-4eb4-aa7e-7ae3a7131d95_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total </link:label>
<link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTax_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other comprehensive income that will not be reclassified to profit or loss, before tax </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTax" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTax"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTax" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTax" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyTable_9dc6dc77-4ca3-477f-848f-74c4a224327e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of voluntary change in accounting policy [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of voluntary change in accounting policy [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyTable" xlink:to="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_beac69bf-954b-48b2-b8c0-cf2f17599b08_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair Value of Financial Instruments </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for fair value measurement [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasTable_8b22e25e-5310-46e0-8923-b97d3432368e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of geographical areas [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of geographical areas [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeographicalAreasTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfGeographicalAreasTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeographicalAreasTable" xlink:to="lab_ifrs-full_DisclosureOfGeographicalAreasTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncomeFromDiscontinuedOperationsAttributableToOwnersOfParent_3fb05ecc-8c8a-42ac-8b0d-a41e73381e3a_terseLabel_en-US" xlink:label="lab_ifrs-full_IncomeFromDiscontinuedOperationsAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net loss from discontinued operations attributable to Aurora Cannabis Inc. </link:label>
<link:label id="lab_ifrs-full_IncomeFromDiscontinuedOperationsAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_IncomeFromDiscontinuedOperationsAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income from discontinued operations attributable to owners of parent </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeFromDiscontinuedOperationsAttributableToOwnersOfParent" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeFromDiscontinuedOperationsAttributableToOwnersOfParent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeFromDiscontinuedOperationsAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_IncomeFromDiscontinuedOperationsAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsAndNonleaseCommitmentsIncludingRoyaltyPaymentsTableTextBlock_ffe3dfdc-7a72-441f-957f-604b071602e5_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsAndNonleaseCommitmentsIncludingRoyaltyPaymentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Future Commitments Including Minimum Royalty Payments Due in the Next Five Years </link:label>
<link:label id="lab_acb_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsAndNonleaseCommitmentsIncludingRoyaltyPaymentsTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsAndNonleaseCommitmentsIncludingRoyaltyPaymentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Maturity Analysis Of Operating Lease Payments And Non-lease Commitments Including Royalty Payments [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsAndNonleaseCommitmentsIncludingRoyaltyPaymentsTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsAndNonleaseCommitmentsIncludingRoyaltyPaymentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Maturity Analysis Of Operating Lease Payments And Non-lease Commitments Including Royalty Payments [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsAndNonleaseCommitmentsIncludingRoyaltyPaymentsTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsAndNonleaseCommitmentsIncludingRoyaltyPaymentsTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsAndNonleaseCommitmentsIncludingRoyaltyPaymentsTableTextBlock" xlink:to="lab_acb_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsAndNonleaseCommitmentsIncludingRoyaltyPaymentsTableTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncreaseDecreaseThroughAdditionsDisposalsFinancialAssets_3097cd4a-4c1f-4dbf-86a5-164fe39b3b4f_terseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughAdditionsDisposalsFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disposals </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughAdditionsDisposalsFinancialAssets_5cf38838-c29e-4958-a785-908c95b01e58_verboseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughAdditionsDisposalsFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions (Disposals) </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughAdditionsDisposalsFinancialAssets_label_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughAdditionsDisposalsFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Additions (Disposals), Financial Assets </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughAdditionsDisposalsFinancialAssets_documentation_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughAdditionsDisposalsFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Additions (Disposals), Financial Assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseDecreaseThroughAdditionsDisposalsFinancialAssets" xlink:href="acb-20210630.xsd#acb_IncreaseDecreaseThroughAdditionsDisposalsFinancialAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncreaseDecreaseThroughAdditionsDisposalsFinancialAssets" xlink:to="lab_acb_IncreaseDecreaseThroughAdditionsDisposalsFinancialAssets" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsTable_7474d905-7963-458d-a45c-c5f54d988e54_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about business combination [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about business combination [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfBusinessCombinationsTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="lab_ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GoodwillRelatedTemporaryDifferencesMember_88b8d7c9-bd25-42a9-81e2-1b47f9fd161b_terseLabel_en-US" xlink:label="lab_acb_GoodwillRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill </link:label>
<link:label id="lab_acb_GoodwillRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_acb_GoodwillRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill Related Temporary Differences [Member] </link:label>
<link:label id="lab_acb_GoodwillRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_acb_GoodwillRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill Related Temporary Differences </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GoodwillRelatedTemporaryDifferencesMember" xlink:href="acb-20210630.xsd#acb_GoodwillRelatedTemporaryDifferencesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_GoodwillRelatedTemporaryDifferencesMember" xlink:to="lab_acb_GoodwillRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsCovenantRestrictedCashAvailableForRepaymentRatio_42acb126-61b0-4da7-a9b7-83c41a994a76_terseLabel_en-US" xlink:label="lab_acb_BorrowingsCovenantRestrictedCashAvailableForRepaymentRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restricted cash available for repayment ratio </link:label>
<link:label id="lab_acb_BorrowingsCovenantRestrictedCashAvailableForRepaymentRatio_label_en-US" xlink:label="lab_acb_BorrowingsCovenantRestrictedCashAvailableForRepaymentRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Restricted Cash Available For Repayment Ratio </link:label>
<link:label id="lab_acb_BorrowingsCovenantRestrictedCashAvailableForRepaymentRatio_documentation_en-US" xlink:label="lab_acb_BorrowingsCovenantRestrictedCashAvailableForRepaymentRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Restricted Cash Available For Repayment Ratio </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsCovenantRestrictedCashAvailableForRepaymentRatio" xlink:href="acb-20210630.xsd#acb_BorrowingsCovenantRestrictedCashAvailableForRepaymentRatio"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsCovenantRestrictedCashAvailableForRepaymentRatio" xlink:to="lab_acb_BorrowingsCovenantRestrictedCashAvailableForRepaymentRatio" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CashReceivedFromGovernmentGrants_0ac13d7b-bfe7-4585-afd2-de054ea02e9f_terseLabel_en-US" xlink:label="lab_acb_CashReceivedFromGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash received from government grants </link:label>
<link:label id="lab_acb_CashReceivedFromGovernmentGrants_label_en-US" xlink:label="lab_acb_CashReceivedFromGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash Received From Government Grants </link:label>
<link:label id="lab_acb_CashReceivedFromGovernmentGrants_documentation_en-US" xlink:label="lab_acb_CashReceivedFromGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash Received From Government Grants </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CashReceivedFromGovernmentGrants" xlink:href="acb-20210630.xsd#acb_CashReceivedFromGovernmentGrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CashReceivedFromGovernmentGrants" xlink:to="lab_acb_CashReceivedFromGovernmentGrants" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisposalsOfLeases_2524b4b2-4ee9-46bb-871d-5802bbffb09c_negatedTerseLabel_en-US" xlink:label="lab_acb_DisposalsOfLeases" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disposal of leases </link:label>
<link:label id="lab_acb_DisposalsOfLeases_label_en-US" xlink:label="lab_acb_DisposalsOfLeases" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disposals Of Leases </link:label>
<link:label id="lab_acb_DisposalsOfLeases_documentation_en-US" xlink:label="lab_acb_DisposalsOfLeases" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disposals Of Leases </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisposalsOfLeases" xlink:href="acb-20210630.xsd#acb_DisposalsOfLeases"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisposalsOfLeases" xlink:to="lab_acb_DisposalsOfLeases" xlink:type="arc" order="1"/>
<link:label id="lab_acb_StockBorrowRateMeasurementInputMember_237dbcb5-a479-4079-8fe6-01615513aa5e_terseLabel_en-US" xlink:label="lab_acb_StockBorrowRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Stock borrow rate </link:label>
<link:label id="lab_acb_StockBorrowRateMeasurementInputMember_label_en-US" xlink:label="lab_acb_StockBorrowRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Stock Borrow Rate, Measurement Input [Member] </link:label>
<link:label id="lab_acb_StockBorrowRateMeasurementInputMember_documentation_en-US" xlink:label="lab_acb_StockBorrowRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Stock Borrow Rate, Measurement Input [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_StockBorrowRateMeasurementInputMember" xlink:href="acb-20210630.xsd#acb_StockBorrowRateMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_StockBorrowRateMeasurementInputMember" xlink:to="lab_acb_StockBorrowRateMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsAtFairValueVolumeWeightedAverageTradingPricePeriod_9ac0d69c-58d6-49da-89b9-6324a2b00c4e_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsAtFairValueVolumeWeightedAverageTradingPricePeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial assets, at fair value, volume weighted average trading price, period </link:label>
<link:label id="lab_acb_FinancialAssetsAtFairValueVolumeWeightedAverageTradingPricePeriod_label_en-US" xlink:label="lab_acb_FinancialAssetsAtFairValueVolumeWeightedAverageTradingPricePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, At Fair Value, Volume Weighted Average Trading Price, Period </link:label>
<link:label id="lab_acb_FinancialAssetsAtFairValueVolumeWeightedAverageTradingPricePeriod_documentation_en-US" xlink:label="lab_acb_FinancialAssetsAtFairValueVolumeWeightedAverageTradingPricePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, At Fair Value, Volume Weighted Average Trading Price, Period </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsAtFairValueVolumeWeightedAverageTradingPricePeriod" xlink:href="acb-20210630.xsd#acb_FinancialAssetsAtFairValueVolumeWeightedAverageTradingPricePeriod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsAtFairValueVolumeWeightedAverageTradingPricePeriod" xlink:to="lab_acb_FinancialAssetsAtFairValueVolumeWeightedAverageTradingPricePeriod" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ShelfProspectusAmountAllowed_d7f06d02-7fd0-4b2b-906f-8df91fc24bcb_terseLabel_en-US" xlink:label="lab_acb_ShelfProspectusAmountAllowed" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shelf prospectus, amount allowed </link:label>
<link:label id="lab_acb_ShelfProspectusAmountAllowed_label_en-US" xlink:label="lab_acb_ShelfProspectusAmountAllowed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shelf Prospectus, Amount Allowed </link:label>
<link:label id="lab_acb_ShelfProspectusAmountAllowed_documentation_en-US" xlink:label="lab_acb_ShelfProspectusAmountAllowed" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shelf Prospectus, Amount Allowed </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ShelfProspectusAmountAllowed" xlink:href="acb-20210630.xsd#acb_ShelfProspectusAmountAllowed"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ShelfProspectusAmountAllowed" xlink:to="lab_acb_ShelfProspectusAmountAllowed" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill_84c24118-1519-4f34-a7ee-accece3c7766_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment of goodwill </link:label>
<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill_c3f3b1e0-79a4-4961-bd52-796ef85ec3b7_negatedLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment, goodwill </link:label>
<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment loss recognised in profit or loss, goodwill </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_PropertyPlantAndEquipmentTemporarilyIdle_72369426-2c03-45f7-a65b-58ad9736f5a9_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentTemporarilyIdle" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, plant and equipment, temporarily idle </link:label>
<link:label id="lab_ifrs-full_PropertyPlantAndEquipmentTemporarilyIdle_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentTemporarilyIdle" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, plant and equipment, temporarily idle </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentTemporarilyIdle" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PropertyPlantAndEquipmentTemporarilyIdle"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipmentTemporarilyIdle" xlink:to="lab_ifrs-full_PropertyPlantAndEquipmentTemporarilyIdle" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxAssetsFinanceCostsMember_c10b880d-c590-45af-a519-402bdf53400a_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxAssetsFinanceCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Finance costs </link:label>
<link:label id="lab_acb_DeferredTaxAssetsFinanceCostsMember_label_en-US" xlink:label="lab_acb_DeferredTaxAssetsFinanceCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Finance Costs [Member] </link:label>
<link:label id="lab_acb_DeferredTaxAssetsFinanceCostsMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxAssetsFinanceCostsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Finance Costs [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxAssetsFinanceCostsMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxAssetsFinanceCostsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxAssetsFinanceCostsMember" xlink:to="lab_acb_DeferredTaxAssetsFinanceCostsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AcquisitionRelatedCosts_469aac4d-1c73-45f1-ac8c-5e186c46990b_terseLabel_en-US" xlink:label="lab_acb_AcquisitionRelatedCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition costs </link:label>
<link:label id="lab_acb_AcquisitionRelatedCosts_label_en-US" xlink:label="lab_acb_AcquisitionRelatedCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition-Related Costs </link:label>
<link:label id="lab_acb_AcquisitionRelatedCosts_documentation_en-US" xlink:label="lab_acb_AcquisitionRelatedCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition-Related Costs </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AcquisitionRelatedCosts" xlink:href="acb-20210630.xsd#acb_AcquisitionRelatedCosts"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AcquisitionRelatedCosts" xlink:to="lab_acb_AcquisitionRelatedCosts" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ApplicableTaxRate_b1fe8914-43bf-4601-97c6-f1e6be66f964_terseLabel_en-US" xlink:label="lab_ifrs-full_ApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Combined federal and provincial rate </link:label>
<link:label id="lab_ifrs-full_ApplicableTaxRate_label_en-US" xlink:label="lab_ifrs-full_ApplicableTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Applicable tax rate </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ApplicableTaxRate" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ApplicableTaxRate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ApplicableTaxRate" xlink:to="lab_ifrs-full_ApplicableTaxRate" xlink:type="arc" order="1"/>
<link:label id="lab_acb_WeightedAverageExercisePriceOfWarrantsOutstanding_1ce36c3e-8e3c-4fa8-aa86-52f061f46267_periodStartLabel_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average exercise price, beginning balance (in CAD per share) </link:label>
<link:label id="lab_acb_WeightedAverageExercisePriceOfWarrantsOutstanding_16fc2efd-d2aa-4fed-a532-8bb9c8500ca8_periodEndLabel_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average exercise price, ending balance (in CAD per share) </link:label>
<link:label id="lab_acb_WeightedAverageExercisePriceOfWarrantsOutstanding_label_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Exercise Price Of Warrants Outstanding </link:label>
<link:label id="lab_acb_WeightedAverageExercisePriceOfWarrantsOutstanding_documentation_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Exercise Price Of Warrants Outstanding </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_WeightedAverageExercisePriceOfWarrantsOutstanding" xlink:href="acb-20210630.xsd#acb_WeightedAverageExercisePriceOfWarrantsOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_WeightedAverageExercisePriceOfWarrantsOutstanding" xlink:to="lab_acb_WeightedAverageExercisePriceOfWarrantsOutstanding" xlink:type="arc" order="1"/>
<link:label id="lab_acb_EquityCorrelationAgainstPeerGroupOtherEquityInstrumentsGranted_481099c3-8ffa-4b96-9cb9-5b891d6b2701_terseLabel_en-US" xlink:label="lab_acb_EquityCorrelationAgainstPeerGroupOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Equity correlation against peer group </link:label>
<link:label id="lab_acb_EquityCorrelationAgainstPeerGroupOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_acb_EquityCorrelationAgainstPeerGroupOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Equity Correlation Against Peer Group, Other Equity Instruments Granted </link:label>
<link:label id="lab_acb_EquityCorrelationAgainstPeerGroupOtherEquityInstrumentsGranted_documentation_en-US" xlink:label="lab_acb_EquityCorrelationAgainstPeerGroupOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Equity Correlation Against Peer Group, Other Equity Instruments Granted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_EquityCorrelationAgainstPeerGroupOtherEquityInstrumentsGranted" xlink:href="acb-20210630.xsd#acb_EquityCorrelationAgainstPeerGroupOtherEquityInstrumentsGranted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_EquityCorrelationAgainstPeerGroupOtherEquityInstrumentsGranted" xlink:to="lab_acb_EquityCorrelationAgainstPeerGroupOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LicencesMember_f371b341-5965-4bd7-bc17-fee39f7adddb_terseLabel_en-US" xlink:label="lab_ifrs-full_LicencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Permits and licenses </link:label>
<link:label id="lab_ifrs-full_LicencesMember_label_en-US" xlink:label="lab_ifrs-full_LicencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Licences [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LicencesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LicencesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LicencesMember" xlink:to="lab_ifrs-full_LicencesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PerformanceRequirementsForShareBasedPaymentArrangementPerformancePeriod_96d8baa4-b319-4f57-a0f3-17a51e39bcdd_terseLabel_en-US" xlink:label="lab_acb_PerformanceRequirementsForShareBasedPaymentArrangementPerformancePeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Performance period of PSUs </link:label>
<link:label id="lab_acb_PerformanceRequirementsForShareBasedPaymentArrangementPerformancePeriod_label_en-US" xlink:label="lab_acb_PerformanceRequirementsForShareBasedPaymentArrangementPerformancePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Performance Requirements For Share-Based Payment Arrangement, Performance Period </link:label>
<link:label id="lab_acb_PerformanceRequirementsForShareBasedPaymentArrangementPerformancePeriod_documentation_en-US" xlink:label="lab_acb_PerformanceRequirementsForShareBasedPaymentArrangementPerformancePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Performance Requirements For Share-Based Payment Arrangement, Performance Period </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PerformanceRequirementsForShareBasedPaymentArrangementPerformancePeriod" xlink:href="acb-20210630.xsd#acb_PerformanceRequirementsForShareBasedPaymentArrangementPerformancePeriod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PerformanceRequirementsForShareBasedPaymentArrangementPerformancePeriod" xlink:to="lab_acb_PerformanceRequirementsForShareBasedPaymentArrangementPerformancePeriod" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_8af4072c-cf18-47df-bb5a-5068238c3bd6_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions </link:label>
<link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions other than through business combinations, intangible assets other than goodwill </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ReductionOfAnnualMinimumPurchaseCommitment_f954988a-66c8-4add-bc15-6d8766f6f512_terseLabel_en-US" xlink:label="lab_acb_ReductionOfAnnualMinimumPurchaseCommitment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reduction of annual minimum purchase commitment </link:label>
<link:label id="lab_acb_ReductionOfAnnualMinimumPurchaseCommitment_label_en-US" xlink:label="lab_acb_ReductionOfAnnualMinimumPurchaseCommitment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reduction Of Annual Minimum Purchase Commitment </link:label>
<link:label id="lab_acb_ReductionOfAnnualMinimumPurchaseCommitment_documentation_en-US" xlink:label="lab_acb_ReductionOfAnnualMinimumPurchaseCommitment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reduction Of Annual Minimum Purchase Commitment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ReductionOfAnnualMinimumPurchaseCommitment" xlink:href="acb-20210630.xsd#acb_ReductionOfAnnualMinimumPurchaseCommitment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ReductionOfAnnualMinimumPurchaseCommitment" xlink:to="lab_acb_ReductionOfAnnualMinimumPurchaseCommitment" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfWarrantsIssued_10da1f46-715c-4254-aed2-a74e5c71f06a_terseLabel_en-US" xlink:label="lab_acb_NumberOfWarrantsIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants, issued (in shares) </link:label>
<link:label id="lab_acb_NumberOfWarrantsIssued_label_en-US" xlink:label="lab_acb_NumberOfWarrantsIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Issued </link:label>
<link:label id="lab_acb_NumberOfWarrantsIssued_documentation_en-US" xlink:label="lab_acb_NumberOfWarrantsIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Issued </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfWarrantsIssued" xlink:href="acb-20210630.xsd#acb_NumberOfWarrantsIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfWarrantsIssued" xlink:to="lab_acb_NumberOfWarrantsIssued" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory_b96dec5d-0ca1-47f0-a57b-a90d14e69503_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts Receivable </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for trade and other receivables [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InventoriesAbstract_d2b6ed4e-02eb-4dcc-82f9-89d1a861859d_terseLabel_en-US" xlink:label="lab_acb_InventoriesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventories [Abstract] </link:label>
<link:label id="lab_acb_InventoriesAbstract_label_en-US" xlink:label="lab_acb_InventoriesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventories [Abstract] </link:label>
<link:label id="lab_acb_InventoriesAbstract_documentation_en-US" xlink:label="lab_acb_InventoriesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventories [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InventoriesAbstract" xlink:href="acb-20210630.xsd#acb_InventoriesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InventoriesAbstract" xlink:to="lab_acb_InventoriesAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfRestrictedStockUnitsAndDeferredShareUnitsExercisedInShareBasedPaymentArrangement_0423778c-5a5b-425f-bf9d-d1c1590c28b3_terseLabel_en-US" xlink:label="lab_acb_NumberOfRestrictedStockUnitsAndDeferredShareUnitsExercisedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise of RSUs and DSUs (in shares) </link:label>
<link:label id="lab_acb_NumberOfRestrictedStockUnitsAndDeferredShareUnitsExercisedInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_acb_NumberOfRestrictedStockUnitsAndDeferredShareUnitsExercisedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Restricted Stock Units And Deferred Share Units Exercised In Share-Based Payment Arrangement </link:label>
<link:label id="lab_acb_NumberOfRestrictedStockUnitsAndDeferredShareUnitsExercisedInShareBasedPaymentArrangement_documentation_en-US" xlink:label="lab_acb_NumberOfRestrictedStockUnitsAndDeferredShareUnitsExercisedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Restricted Stock Units And Deferred Share Units Exercised In Share-Based Payment Arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfRestrictedStockUnitsAndDeferredShareUnitsExercisedInShareBasedPaymentArrangement" xlink:href="acb-20210630.xsd#acb_NumberOfRestrictedStockUnitsAndDeferredShareUnitsExercisedInShareBasedPaymentArrangement"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfRestrictedStockUnitsAndDeferredShareUnitsExercisedInShareBasedPaymentArrangement" xlink:to="lab_acb_NumberOfRestrictedStockUnitsAndDeferredShareUnitsExercisedInShareBasedPaymentArrangement" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentBiologicalAssets_6619e1c1-d308-4a34-9c3c-51f282ed9ef9_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Biological assets </link:label>
<link:label id="lab_ifrs-full_CurrentBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current biological assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentBiologicalAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentBiologicalAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentBiologicalAssets" xlink:to="lab_ifrs-full_CurrentBiologicalAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfJointVenturesAndAssociatesLineItems_e965430d-8a5a-4fe9-8853-9718c87d02d3_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfJointVenturesAndAssociatesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Joint Ventures And Associates [Line Items] </link:label>
<link:label id="lab_acb_DisclosureOfJointVenturesAndAssociatesLineItems_label_en-US" xlink:label="lab_acb_DisclosureOfJointVenturesAndAssociatesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Joint Ventures And Associates [Line Items] </link:label>
<link:label id="lab_acb_DisclosureOfJointVenturesAndAssociatesLineItems_documentation_en-US" xlink:label="lab_acb_DisclosureOfJointVenturesAndAssociatesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> [Line Items] for Disclosure Of Joint Ventures And Associates [Table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfJointVenturesAndAssociatesLineItems" xlink:href="acb-20210630.xsd#acb_DisclosureOfJointVenturesAndAssociatesLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfJointVenturesAndAssociatesLineItems" xlink:to="lab_acb_DisclosureOfJointVenturesAndAssociatesLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_EuropeanCannabisCashGeneratingUnitMember_74d112f8-6343-46d9-bfa4-31acccd53b58_terseLabel_en-US" xlink:label="lab_acb_EuropeanCannabisCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> European Cannabis CGU </link:label>
<link:label id="lab_acb_EuropeanCannabisCashGeneratingUnitMember_label_en-US" xlink:label="lab_acb_EuropeanCannabisCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> European Cannabis Cash Generating Unit [Member] </link:label>
<link:label id="lab_acb_EuropeanCannabisCashGeneratingUnitMember_documentation_en-US" xlink:label="lab_acb_EuropeanCannabisCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> European Cannabis Cash Generating Unit [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_EuropeanCannabisCashGeneratingUnitMember" xlink:href="acb-20210630.xsd#acb_EuropeanCannabisCashGeneratingUnitMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_EuropeanCannabisCashGeneratingUnitMember" xlink:to="lab_acb_EuropeanCannabisCashGeneratingUnitMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_e282423b-fb6b-4054-aee8-13bd9cfcf81c_periodStartLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> RSUs and DSUs outstanding, beginning (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_fbe0168d-6b4d-4511-9563-c4722bd0ad22_periodEndLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> RSUs and DSUs outstanding, ending (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average exercise price of other equity instruments outstanding in share-based payment arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxLiabilitiesIntangibleAssetsMember_8bbc413f-0fe8-4944-aa16-65a838398172_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesIntangibleAssetsMember_label_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Intangible Assets [Member] </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesIntangibleAssetsMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Intangible Assets [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxLiabilitiesIntangibleAssetsMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxLiabilitiesIntangibleAssetsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxLiabilitiesIntangibleAssetsMember" xlink:to="lab_acb_DeferredTaxLiabilitiesIntangibleAssetsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ConversionOptionMember_8b5dcf7b-40f6-462f-ad6f-ab53b34caeb4_terseLabel_en-US" xlink:label="lab_acb_ConversionOptionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion Option </link:label>
<link:label id="lab_acb_ConversionOptionMember_label_en-US" xlink:label="lab_acb_ConversionOptionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion Option [Member] </link:label>
<link:label id="lab_acb_ConversionOptionMember_documentation_en-US" xlink:label="lab_acb_ConversionOptionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion Option [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ConversionOptionMember" xlink:href="acb-20210630.xsd#acb_ConversionOptionMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ConversionOptionMember" xlink:to="lab_acb_ConversionOptionMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsConvertibleTemporarilyAmendedConversionPrice_b2bfd353-9f0f-40d1-ac6f-010398be5b64_terseLabel_en-US" xlink:label="lab_acb_BorrowingsConvertibleTemporarilyAmendedConversionPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Temporarily amended conversion price (in CAD per share) </link:label>
<link:label id="lab_acb_BorrowingsConvertibleTemporarilyAmendedConversionPrice_label_en-US" xlink:label="lab_acb_BorrowingsConvertibleTemporarilyAmendedConversionPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Temporarily Amended Conversion Price </link:label>
<link:label id="lab_acb_BorrowingsConvertibleTemporarilyAmendedConversionPrice_documentation_en-US" xlink:label="lab_acb_BorrowingsConvertibleTemporarilyAmendedConversionPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Temporarily Amended Conversion Price </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsConvertibleTemporarilyAmendedConversionPrice" xlink:href="acb-20210630.xsd#acb_BorrowingsConvertibleTemporarilyAmendedConversionPrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsConvertibleTemporarilyAmendedConversionPrice" xlink:to="lab_acb_BorrowingsConvertibleTemporarilyAmendedConversionPrice" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ProfitLossOfAcquireePriorToAcquisitionDate_65db660a-90d1-4259-b09c-1ffdfaf157e0_verboseLabel_en-US" xlink:label="lab_acb_ProfitLossOfAcquireePriorToAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net income of acquiree prior to acquisition date </link:label>
<link:label id="lab_acb_ProfitLossOfAcquireePriorToAcquisitionDate_label_en-US" xlink:label="lab_acb_ProfitLossOfAcquireePriorToAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (Loss) Of Acquiree Prior To Acquisition Date </link:label>
<link:label id="lab_acb_ProfitLossOfAcquireePriorToAcquisitionDate_documentation_en-US" xlink:label="lab_acb_ProfitLossOfAcquireePriorToAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (Loss) Of Acquiree Prior To Acquisition Date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ProfitLossOfAcquireePriorToAcquisitionDate" xlink:href="acb-20210630.xsd#acb_ProfitLossOfAcquireePriorToAcquisitionDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ProfitLossOfAcquireePriorToAcquisitionDate" xlink:to="lab_acb_ProfitLossOfAcquireePriorToAcquisitionDate" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AustralisCapitalInc.Member_5f908ef8-0442-41c7-9728-32d7782de85c_terseLabel_en-US" xlink:label="lab_acb_AustralisCapitalInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> ACI </link:label>
<link:label id="lab_acb_AustralisCapitalInc.Member_label_en-US" xlink:label="lab_acb_AustralisCapitalInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Australis Capital Inc. [Member] </link:label>
<link:label id="lab_acb_AustralisCapitalInc.Member_documentation_en-US" xlink:label="lab_acb_AustralisCapitalInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Australis Capital Inc. [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AustralisCapitalInc.Member" xlink:href="acb-20210630.xsd#acb_AustralisCapitalInc.Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AustralisCapitalInc.Member" xlink:to="lab_acb_AustralisCapitalInc.Member" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_bf8cb9c4-2d7f-4d8c-b9a7-0370a03fccc7_verboseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventory </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for decrease (increase) in inventories </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInInventories"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RevenueFromSaleOfGoods_8cd300ef-c482-4a77-80fb-4310362b15bc_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromSaleOfGoods" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue from sale of goods </link:label>
<link:label id="lab_ifrs-full_RevenueFromSaleOfGoods_label_en-US" xlink:label="lab_ifrs-full_RevenueFromSaleOfGoods" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue from sale of goods </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromSaleOfGoods" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueFromSaleOfGoods"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromSaleOfGoods" xlink:to="lab_ifrs-full_RevenueFromSaleOfGoods" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LiquidityRiskMember_35d95bee-7ba9-4505-8084-9887454407c6_terseLabel_en-US" xlink:label="lab_ifrs-full_LiquidityRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Liquidity risk </link:label>
<link:label id="lab_ifrs-full_LiquidityRiskMember_label_en-US" xlink:label="lab_ifrs-full_LiquidityRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Liquidity risk [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiquidityRiskMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LiquidityRiskMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiquidityRiskMember" xlink:to="lab_ifrs-full_LiquidityRiskMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale_a136ee64-460a-4feb-b6c8-19e1c5af0cae_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Balance </link:label>
<link:label id="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale_61b68b08-3444-4013-ab27-7f8b72d95c2d_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Balance </link:label>
<link:label id="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale_4ca25d0d-99a1-444f-9503-d77ac1de7303_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current assets or disposal groups classified as held for sale </link:label>
<link:label id="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current assets or disposal groups classified as held for sale </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:to="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale" xlink:type="arc" order="1"/>
<link:label id="lab_acb_HempcoFoodandFiberInc.Member_fda6ba94-41bb-45ab-bece-5c1ca1209431_terseLabel_en-US" xlink:label="lab_acb_HempcoFoodandFiberInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Hempco </link:label>
<link:label id="lab_acb_HempcoFoodandFiberInc.Member_label_en-US" xlink:label="lab_acb_HempcoFoodandFiberInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Hempco Food and Fiber Inc. [Member] </link:label>
<link:label id="lab_acb_HempcoFoodandFiberInc.Member_documentation_en-US" xlink:label="lab_acb_HempcoFoodandFiberInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Hempco Food and Fiber Inc. [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_HempcoFoodandFiberInc.Member" xlink:href="acb-20210630.xsd#acb_HempcoFoodandFiberInc.Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_HempcoFoodandFiberInc.Member" xlink:to="lab_acb_HempcoFoodandFiberInc.Member" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DiscontinuedOperationsMember_b6b7d179-4b6b-4335-bdb9-a65cf7b1563a_terseLabel_en-US" xlink:label="lab_ifrs-full_DiscontinuedOperationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Discontinued operations </link:label>
<link:label id="lab_ifrs-full_DiscontinuedOperationsMember_label_en-US" xlink:label="lab_ifrs-full_DiscontinuedOperationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Discontinued operations [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DiscontinuedOperationsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DiscontinuedOperationsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DiscontinuedOperationsMember" xlink:to="lab_ifrs-full_DiscontinuedOperationsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TaxEffectOfImpairmentOfGoodwill_c513875e-f9cb-4278-ac75-eb6061093f53_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxEffectOfImpairmentOfGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill and other impairment items </link:label>
<link:label id="lab_ifrs-full_TaxEffectOfImpairmentOfGoodwill_label_en-US" xlink:label="lab_ifrs-full_TaxEffectOfImpairmentOfGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax effect of impairment of goodwill </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxEffectOfImpairmentOfGoodwill" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TaxEffectOfImpairmentOfGoodwill"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxEffectOfImpairmentOfGoodwill" xlink:to="lab_ifrs-full_TaxEffectOfImpairmentOfGoodwill" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentFinanceLeaseReceivables_3ddb16d8-2039-4ea0-9721-364fcc745f57_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentFinanceLeaseReceivables" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease receivable </link:label>
<link:label id="lab_ifrs-full_CurrentFinanceLeaseReceivables_e8e8c8c7-013c-4673-a17e-b0b15a0bb547_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentFinanceLeaseReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current </link:label>
<link:label id="lab_ifrs-full_CurrentFinanceLeaseReceivables_label_en-US" xlink:label="lab_ifrs-full_CurrentFinanceLeaseReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current finance lease receivables </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentFinanceLeaseReceivables" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentFinanceLeaseReceivables"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentFinanceLeaseReceivables" xlink:to="lab_ifrs-full_CurrentFinanceLeaseReceivables" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfSharesIssuedForBusinessCombinationsAndAssetAcquisitions_0a1a3d33-c6ae-402b-a0a6-9dbfd0533b91_terseLabel_en-US" xlink:label="lab_acb_NumberOfSharesIssuedForBusinessCombinationsAndAssetAcquisitions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shares issued for business combinations & asset acquisitions (in shares) </link:label>
<link:label id="lab_acb_NumberOfSharesIssuedForBusinessCombinationsAndAssetAcquisitions_label_en-US" xlink:label="lab_acb_NumberOfSharesIssuedForBusinessCombinationsAndAssetAcquisitions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Issued For Business Combinations And Asset Acquisitions </link:label>
<link:label id="lab_acb_NumberOfSharesIssuedForBusinessCombinationsAndAssetAcquisitions_documentation_en-US" xlink:label="lab_acb_NumberOfSharesIssuedForBusinessCombinationsAndAssetAcquisitions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Issued For Business Combinations And Asset Acquisitions </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfSharesIssuedForBusinessCombinationsAndAssetAcquisitions" xlink:href="acb-20210630.xsd#acb_NumberOfSharesIssuedForBusinessCombinationsAndAssetAcquisitions"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfSharesIssuedForBusinessCombinationsAndAssetAcquisitions" xlink:to="lab_acb_NumberOfSharesIssuedForBusinessCombinationsAndAssetAcquisitions" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProfitLoss_61a60c14-0b16-4e2a-89e8-c40a6d07938f_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net loss </link:label>
<link:label id="lab_ifrs-full_ProfitLoss_ba415899-4e05-4784-a7ce-171e5efdd2fb_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share of loss for the period </link:label>
<link:label id="lab_ifrs-full_ProfitLoss_label_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (loss) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLoss" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLoss" xlink:to="lab_ifrs-full_ProfitLoss" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DebtandEquity_e5401d2a-820f-422e-a25a-924af5b66263_terseLabel_en-US" xlink:label="lab_acb_DebtandEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shareholders' equity and debt </link:label>
<link:label id="lab_acb_DebtandEquity_label_en-US" xlink:label="lab_acb_DebtandEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt and Equity </link:label>
<link:label id="lab_acb_DebtandEquity_documentation_en-US" xlink:label="lab_acb_DebtandEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt and Equity </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DebtandEquity" xlink:href="acb-20210630.xsd#acb_DebtandEquity"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DebtandEquity" xlink:to="lab_acb_DebtandEquity" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncomeCategoryMember_cbea0d98-bc00-407d-bc0a-c16ca6c5ce82_terseLabel_en-US" xlink:label="lab_acb_FinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Designated FVTOCI </link:label>
<link:label id="lab_acb_FinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncomeCategoryMember_label_en-US" xlink:label="lab_acb_FinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Liabilities At Fair Value Through Other Comprehensive Income, Category [Member] </link:label>
<link:label id="lab_acb_FinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncomeCategoryMember_documentation_en-US" xlink:label="lab_acb_FinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Liabilities At Fair Value Through Other Comprehensive Income, Category [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:href="acb-20210630.xsd#acb_FinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncomeCategoryMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:to="lab_acb_FinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_EstimatedProbabilityOfAchievingMilestonesMeasurementInputMember_89e9e00f-7413-452b-ac9c-675aac8cea63_terseLabel_en-US" xlink:label="lab_acb_EstimatedProbabilityOfAchievingMilestonesMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Estimated probability of achieving milestones </link:label>
<link:label id="lab_acb_EstimatedProbabilityOfAchievingMilestonesMeasurementInputMember_label_en-US" xlink:label="lab_acb_EstimatedProbabilityOfAchievingMilestonesMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Estimated Probability Of Achieving Milestones, Measurement Input [Member] </link:label>
<link:label id="lab_acb_EstimatedProbabilityOfAchievingMilestonesMeasurementInputMember_documentation_en-US" xlink:label="lab_acb_EstimatedProbabilityOfAchievingMilestonesMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Estimated Probability Of Achieving Milestones, Measurement Input [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_EstimatedProbabilityOfAchievingMilestonesMeasurementInputMember" xlink:href="acb-20210630.xsd#acb_EstimatedProbabilityOfAchievingMilestonesMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_EstimatedProbabilityOfAchievingMilestonesMeasurementInputMember" xlink:to="lab_acb_EstimatedProbabilityOfAchievingMilestonesMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_KeyManagementPersonnelCompensationShortTermEmploymentBenefits_0b7a128f-5671-4369-854a-5ecaf6890a78_terseLabel_en-US" xlink:label="lab_acb_KeyManagementPersonnelCompensationShortTermEmploymentBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Short-term employment benefits </link:label>
<link:label id="lab_acb_KeyManagementPersonnelCompensationShortTermEmploymentBenefits_label_en-US" xlink:label="lab_acb_KeyManagementPersonnelCompensationShortTermEmploymentBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Key Management Personnel Compensation, Short-Term Employment Benefits </link:label>
<link:label id="lab_acb_KeyManagementPersonnelCompensationShortTermEmploymentBenefits_documentation_en-US" xlink:label="lab_acb_KeyManagementPersonnelCompensationShortTermEmploymentBenefits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Key Management Personnel Compensation, Short-Term Employment Benefits </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_KeyManagementPersonnelCompensationShortTermEmploymentBenefits" xlink:href="acb-20210630.xsd#acb_KeyManagementPersonnelCompensationShortTermEmploymentBenefits"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_KeyManagementPersonnelCompensationShortTermEmploymentBenefits" xlink:to="lab_acb_KeyManagementPersonnelCompensationShortTermEmploymentBenefits" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LongtermBorrowings_6c1e4ac3-4d06-4cde-9332-9baf5e35568a_verboseLabel_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Long-term portion </link:label>
<link:label id="lab_ifrs-full_LongtermBorrowings_label_en-US" xlink:label="lab_ifrs-full_LongtermBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current portion of non-current borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermBorrowings" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LongtermBorrowings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermBorrowings" xlink:to="lab_ifrs-full_LongtermBorrowings" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureofotherprovisionscontingentliabilitiesandcontingentassetsAbstract_8f4351ea-f339-48e3-a694-b7912024f664_terseLabel_en-US" xlink:label="lab_acb_DisclosureofotherprovisionscontingentliabilitiesandcontingentassetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of other provisions, contingent liabilities and contingent assets [Abstract] </link:label>
<link:label id="lab_acb_DisclosureofotherprovisionscontingentliabilitiesandcontingentassetsAbstract_label_en-US" xlink:label="lab_acb_DisclosureofotherprovisionscontingentliabilitiesandcontingentassetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of other provisions, contingent liabilities and contingent assets [Abstract] </link:label>
<link:label id="lab_acb_DisclosureofotherprovisionscontingentliabilitiesandcontingentassetsAbstract_documentation_en-US" xlink:label="lab_acb_DisclosureofotherprovisionscontingentliabilitiesandcontingentassetsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of other provisions, contingent liabilities and contingent assets [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureofotherprovisionscontingentliabilitiesandcontingentassetsAbstract" xlink:href="acb-20210630.xsd#acb_DisclosureofotherprovisionscontingentliabilitiesandcontingentassetsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureofotherprovisionscontingentliabilitiesandcontingentassetsAbstract" xlink:to="lab_acb_DisclosureofotherprovisionscontingentliabilitiesandcontingentassetsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory_8452e3c5-a9e1-497c-81c8-d1c5cbca0581_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Assets Held for Sale and Discontinued Operations </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for non-current assets or disposal groups classified as held for sale and discontinued operations [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_dei_AmendmentFlag_7b60fa8d-d0b6-4b83-85cc-3a402b53f78f_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amendment Flag </link:label>
<link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amendment Flag </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_AmendmentFlag"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FairValueChangesOnInventorySoldMember_4a777333-c305-41c6-af90-4ae4f43c9db8_terseLabel_en-US" xlink:label="lab_acb_FairValueChangesOnInventorySoldMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair Value Changes on Inventory Sold </link:label>
<link:label id="lab_acb_FairValueChangesOnInventorySoldMember_label_en-US" xlink:label="lab_acb_FairValueChangesOnInventorySoldMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair Value Changes On Inventory Sold [Member] </link:label>
<link:label id="lab_acb_FairValueChangesOnInventorySoldMember_documentation_en-US" xlink:label="lab_acb_FairValueChangesOnInventorySoldMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair Value Changes On Inventory Sold </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FairValueChangesOnInventorySoldMember" xlink:href="acb-20210630.xsd#acb_FairValueChangesOnInventorySoldMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FairValueChangesOnInventorySoldMember" xlink:to="lab_acb_FairValueChangesOnInventorySoldMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_JanuaryUnitOfferingOverAllotmentMember_7ca8e78b-56ff-439b-a1bc-9468d8b1aafc_terseLabel_en-US" xlink:label="lab_acb_JanuaryUnitOfferingOverAllotmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> January Unit Offering, Over-Allotment </link:label>
<link:label id="lab_acb_JanuaryUnitOfferingOverAllotmentMember_label_en-US" xlink:label="lab_acb_JanuaryUnitOfferingOverAllotmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> January Unit Offering, Over-Allotment [Member] </link:label>
<link:label id="lab_acb_JanuaryUnitOfferingOverAllotmentMember_documentation_en-US" xlink:label="lab_acb_JanuaryUnitOfferingOverAllotmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> January Unit Offering, Over-Allotment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_JanuaryUnitOfferingOverAllotmentMember" xlink:href="acb-20210630.xsd#acb_JanuaryUnitOfferingOverAllotmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_JanuaryUnitOfferingOverAllotmentMember" xlink:to="lab_acb_JanuaryUnitOfferingOverAllotmentMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsRedemptionPeriodTwoMember_e48aba16-507a-4578-94df-e7a8d79f5556_terseLabel_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> On and after February 28, 2024 </link:label>
<link:label id="lab_acb_BorrowingsRedemptionPeriodTwoMember_label_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Redemption, Period Two [Member] </link:label>
<link:label id="lab_acb_BorrowingsRedemptionPeriodTwoMember_documentation_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Redemption, Period Two [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsRedemptionPeriodTwoMember" xlink:href="acb-20210630.xsd#acb_BorrowingsRedemptionPeriodTwoMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsRedemptionPeriodTwoMember" xlink:to="lab_acb_BorrowingsRedemptionPeriodTwoMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_1340b2a3-eb9a-44ed-a6bd-60e902505bcb_terseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Depreciation and amortization </link:label>
<link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_dd30557e-960f-4fc5-a59d-8e278481fe10_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Depreciation and amortization </link:label>
<link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Depreciation and amortisation expense </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DepreciationAndAmortisationExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:to="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DebtRestructuringAgreementRoyaltyPaymentAnnualAutomaticPercentageIncrease_f4071d11-ac0f-4f9b-8070-ec04d07a36c1_terseLabel_en-US" xlink:label="lab_acb_DebtRestructuringAgreementRoyaltyPaymentAnnualAutomaticPercentageIncrease" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt restructuring agreement, royalty payment, annual automatic percentage increase </link:label>
<link:label id="lab_acb_DebtRestructuringAgreementRoyaltyPaymentAnnualAutomaticPercentageIncrease_label_en-US" xlink:label="lab_acb_DebtRestructuringAgreementRoyaltyPaymentAnnualAutomaticPercentageIncrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Restructuring Agreement, Royalty Payment, Annual Automatic Percentage Increase </link:label>
<link:label id="lab_acb_DebtRestructuringAgreementRoyaltyPaymentAnnualAutomaticPercentageIncrease_documentation_en-US" xlink:label="lab_acb_DebtRestructuringAgreementRoyaltyPaymentAnnualAutomaticPercentageIncrease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Restructuring Agreement, Royalty Payment, Annual Automatic Percentage Increase </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DebtRestructuringAgreementRoyaltyPaymentAnnualAutomaticPercentageIncrease" xlink:href="acb-20210630.xsd#acb_DebtRestructuringAgreementRoyaltyPaymentAnnualAutomaticPercentageIncrease"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DebtRestructuringAgreementRoyaltyPaymentAnnualAutomaticPercentageIncrease" xlink:to="lab_acb_DebtRestructuringAgreementRoyaltyPaymentAnnualAutomaticPercentageIncrease" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_SegmentsAxis_275e325e-4be5-4b88-834a-8ded0ba5576b_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Segments [axis] </link:label>
<link:label id="lab_ifrs-full_SegmentsAxis_label_en-US" xlink:label="lab_ifrs-full_SegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Segments [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentsAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SegmentsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsAxis" xlink:to="lab_ifrs-full_SegmentsAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PropertyPlantAndEquipmentByNameAxis_b0e60f97-6298-4132-b305-26c32a8a6595_terseLabel_en-US" xlink:label="lab_acb_PropertyPlantAndEquipmentByNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, plant and equipment by name [Axis] </link:label>
<link:label id="lab_acb_PropertyPlantAndEquipmentByNameAxis_label_en-US" xlink:label="lab_acb_PropertyPlantAndEquipmentByNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, Plant And Equipment By Name [Axis] </link:label>
<link:label id="lab_acb_PropertyPlantAndEquipmentByNameAxis_documentation_en-US" xlink:label="lab_acb_PropertyPlantAndEquipmentByNameAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, Plant And Equipment By Name [Axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PropertyPlantAndEquipmentByNameAxis" xlink:href="acb-20210630.xsd#acb_PropertyPlantAndEquipmentByNameAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PropertyPlantAndEquipmentByNameAxis" xlink:to="lab_acb_PropertyPlantAndEquipmentByNameAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentMember_62536e15-8934-40b7-8478-dce14cfce258_terseLabel_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal proceedings contingent liability, unpaid rent </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentMember_label_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Unpaid Rent [Member] </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentMember_documentation_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Unpaid Rent </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LegalProceedingsContingentLiabilityUnpaidRentMember" xlink:href="acb-20210630.xsd#acb_LegalProceedingsContingentLiabilityUnpaidRentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LegalProceedingsContingentLiabilityUnpaidRentMember" xlink:to="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember_e1809a3e-ac30-44d1-a508-aa6e55c2c28f_verboseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Over 1 year – 3 years </link:label>
<link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Later than one year and not later than three years [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:to="lab_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_974a5dff-92bf-4250-940d-42425a175363_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net loss attributable to Aurora shareholders </link:label>
<link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (loss), attributable to owners of parent </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AdjustmentsForAccruedInterestAndAccretionExpense_5d7fd168-6af6-4f52-8904-f02b3a4586db_terseLabel_en-US" xlink:label="lab_acb_AdjustmentsForAccruedInterestAndAccretionExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accrued interest and accretion expense </link:label>
<link:label id="lab_acb_AdjustmentsForAccruedInterestAndAccretionExpense_label_en-US" xlink:label="lab_acb_AdjustmentsForAccruedInterestAndAccretionExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments For Accrued Interest And Accretion Expense </link:label>
<link:label id="lab_acb_AdjustmentsForAccruedInterestAndAccretionExpense_documentation_en-US" xlink:label="lab_acb_AdjustmentsForAccruedInterestAndAccretionExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments For Accrued Interest And Accretion Expense </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AdjustmentsForAccruedInterestAndAccretionExpense" xlink:href="acb-20210630.xsd#acb_AdjustmentsForAccruedInterestAndAccretionExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AdjustmentsForAccruedInterestAndAccretionExpense" xlink:to="lab_acb_AdjustmentsForAccruedInterestAndAccretionExpense" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract_50974634-126b-43d5-934b-6ec072f767da_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reconciliation of changes in fair value measurement, liabilities [abstract] </link:label>
<link:label id="lab_ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reconciliation of changes in fair value measurement, liabilities [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInFairValueMeasurementLiabilitiesAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ManufacturingFacilitiesMember_6d31a417-65df-43af-918e-8cf0ed6d8ec4_terseLabel_en-US" xlink:label="lab_acb_ManufacturingFacilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Manufacturing Facilities </link:label>
<link:label id="lab_acb_ManufacturingFacilitiesMember_label_en-US" xlink:label="lab_acb_ManufacturingFacilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Manufacturing Facilities [Member] </link:label>
<link:label id="lab_acb_ManufacturingFacilitiesMember_documentation_en-US" xlink:label="lab_acb_ManufacturingFacilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Manufacturing Facilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ManufacturingFacilitiesMember" xlink:href="acb-20210630.xsd#acb_ManufacturingFacilitiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ManufacturingFacilitiesMember" xlink:to="lab_acb_ManufacturingFacilitiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GeographicalAreasAxis_74379ab0-a0e0-4787-b4d3-ef517a62874f_terseLabel_en-US" xlink:label="lab_ifrs-full_GeographicalAreasAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Geographical areas [axis] </link:label>
<link:label id="lab_ifrs-full_GeographicalAreasAxis_label_en-US" xlink:label="lab_ifrs-full_GeographicalAreasAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Geographical areas [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeographicalAreasAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GeographicalAreasAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeographicalAreasAxis" xlink:to="lab_ifrs-full_GeographicalAreasAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NordicSkyFacilityMember_32f32f7b-50bd-4973-9f22-17a845da9a3b_terseLabel_en-US" xlink:label="lab_acb_NordicSkyFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Nordic Sky Facility </link:label>
<link:label id="lab_acb_NordicSkyFacilityMember_label_en-US" xlink:label="lab_acb_NordicSkyFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Nordic Sky Facility [Member] </link:label>
<link:label id="lab_acb_NordicSkyFacilityMember_documentation_en-US" xlink:label="lab_acb_NordicSkyFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Nordic Sky Facility [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NordicSkyFacilityMember" xlink:href="acb-20210630.xsd#acb_NordicSkyFacilityMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NordicSkyFacilityMember" xlink:to="lab_acb_NordicSkyFacilityMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory_24923390-600d-4c38-b358-566b1c818204_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Schedule of Contractual Cash Flows from Lease Receivables </link:label>
<link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of maturity analysis of finance lease payments receivable [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForAssetAcquisitionsExplanatoryPolicyTextBlock_3c17859d-f00c-4b8e-a130-40f6df284387_terseLabel_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForAssetAcquisitionsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Asset Acquisitions </link:label>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForAssetAcquisitionsExplanatoryPolicyTextBlock_label_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForAssetAcquisitionsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description Of Accounting Policy For Asset Acquisitions Explanatory [Policy Text Block] </link:label>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForAssetAcquisitionsExplanatoryPolicyTextBlock_documentation_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForAssetAcquisitionsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description Of Accounting Policy For Asset Acquisitions Explanatory [Policy Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DescriptionOfAccountingPolicyForAssetAcquisitionsExplanatoryPolicyTextBlock" xlink:href="acb-20210630.xsd#acb_DescriptionOfAccountingPolicyForAssetAcquisitionsExplanatoryPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DescriptionOfAccountingPolicyForAssetAcquisitionsExplanatoryPolicyTextBlock" xlink:to="lab_acb_DescriptionOfAccountingPolicyForAssetAcquisitionsExplanatoryPolicyTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis_cb2958ce-7cc3-473d-8276-e7df4f048a05_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of contingent liabilities [axis] </link:label>
<link:label id="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of contingent liabilities [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ClassesOfContingentLiabilitiesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxLiabilitiesMember_2ce1c676-68e1-4253-a7b3-0171d2ed188d_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total deferred tax liabilities </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesMember_label_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities [Member] </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxLiabilitiesMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxLiabilitiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxLiabilitiesMember" xlink:to="lab_acb_DeferredTaxLiabilitiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_HorizontallyIntegratedBusinessesSegmentMember_4a23a83f-e77e-4721-b2b0-20ab92c5a817_terseLabel_en-US" xlink:label="lab_acb_HorizontallyIntegratedBusinessesSegmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Horizontally Integrated Businesses </link:label>
<link:label id="lab_acb_HorizontallyIntegratedBusinessesSegmentMember_label_en-US" xlink:label="lab_acb_HorizontallyIntegratedBusinessesSegmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Horizontally-Integrated Businesses Segment [Member] </link:label>
<link:label id="lab_acb_HorizontallyIntegratedBusinessesSegmentMember_documentation_en-US" xlink:label="lab_acb_HorizontallyIntegratedBusinessesSegmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Horizontally-Integrated Businesses Segment [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_HorizontallyIntegratedBusinessesSegmentMember" xlink:href="acb-20210630.xsd#acb_HorizontallyIntegratedBusinessesSegmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_HorizontallyIntegratedBusinessesSegmentMember" xlink:to="lab_acb_HorizontallyIntegratedBusinessesSegmentMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CumulativeGainLossPreviouslyRecognisedInOtherComprehensiveIncomeArisingFromReclassificationOfFinancialAssetsOutOfFairValueThroughOtherComprehensiveIncomeIntoDeficit_97abec5b-ab1a-4c10-82f4-c4c722aa4640_negatedLabel_en-US" xlink:label="lab_acb_CumulativeGainLossPreviouslyRecognisedInOtherComprehensiveIncomeArisingFromReclassificationOfFinancialAssetsOutOfFairValueThroughOtherComprehensiveIncomeIntoDeficit" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cumulative loss reclassified from other comprehensive loss to deficit </link:label>
<link:label id="lab_acb_CumulativeGainLossPreviouslyRecognisedInOtherComprehensiveIncomeArisingFromReclassificationOfFinancialAssetsOutOfFairValueThroughOtherComprehensiveIncomeIntoDeficit_label_en-US" xlink:label="lab_acb_CumulativeGainLossPreviouslyRecognisedInOtherComprehensiveIncomeArisingFromReclassificationOfFinancialAssetsOutOfFairValueThroughOtherComprehensiveIncomeIntoDeficit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cumulative Gain (Loss) Previously Recognised In Other Comprehensive Income Arising From Reclassification Of Financial Assets Out Of Fair Value Through Other Comprehensive Income Into Deficit </link:label>
<link:label id="lab_acb_CumulativeGainLossPreviouslyRecognisedInOtherComprehensiveIncomeArisingFromReclassificationOfFinancialAssetsOutOfFairValueThroughOtherComprehensiveIncomeIntoDeficit_documentation_en-US" xlink:label="lab_acb_CumulativeGainLossPreviouslyRecognisedInOtherComprehensiveIncomeArisingFromReclassificationOfFinancialAssetsOutOfFairValueThroughOtherComprehensiveIncomeIntoDeficit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cumulative Gain (Loss) Previously Recognised In Other Comprehensive Income Arising From Reclassification Of Financial Assets Out Of Fair Value Through Other Comprehensive Income Into Deficit </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CumulativeGainLossPreviouslyRecognisedInOtherComprehensiveIncomeArisingFromReclassificationOfFinancialAssetsOutOfFairValueThroughOtherComprehensiveIncomeIntoDeficit" xlink:href="acb-20210630.xsd#acb_CumulativeGainLossPreviouslyRecognisedInOtherComprehensiveIncomeArisingFromReclassificationOfFinancialAssetsOutOfFairValueThroughOtherComprehensiveIncomeIntoDeficit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CumulativeGainLossPreviouslyRecognisedInOtherComprehensiveIncomeArisingFromReclassificationOfFinancialAssetsOutOfFairValueThroughOtherComprehensiveIncomeIntoDeficit" xlink:to="lab_acb_CumulativeGainLossPreviouslyRecognisedInOtherComprehensiveIncomeArisingFromReclassificationOfFinancialAssetsOutOfFairValueThroughOtherComprehensiveIncomeIntoDeficit" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OtherCurrentPayables_d6bd18b5-75b0-4a42-82fb-f8011dbd2453_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other payables </link:label>
<link:label id="lab_ifrs-full_OtherCurrentPayables_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other current payables </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentPayables" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherCurrentPayables"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentPayables" xlink:to="lab_ifrs-full_OtherCurrentPayables" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfSharesReceivedThroughConversionOfConvertibleInstruments_9438a4eb-608b-4305-8787-648440004204_terseLabel_en-US" xlink:label="lab_acb_NumberOfSharesReceivedThroughConversionOfConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion of notes (in shares) </link:label>
<link:label id="lab_acb_NumberOfSharesReceivedThroughConversionOfConvertibleInstruments_label_en-US" xlink:label="lab_acb_NumberOfSharesReceivedThroughConversionOfConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Received Through Conversion Of Convertible Instruments </link:label>
<link:label id="lab_acb_NumberOfSharesReceivedThroughConversionOfConvertibleInstruments_documentation_en-US" xlink:label="lab_acb_NumberOfSharesReceivedThroughConversionOfConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Received Through Conversion Of Convertible Instruments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfSharesReceivedThroughConversionOfConvertibleInstruments" xlink:href="acb-20210630.xsd#acb_NumberOfSharesReceivedThroughConversionOfConvertibleInstruments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfSharesReceivedThroughConversionOfConvertibleInstruments" xlink:to="lab_acb_NumberOfSharesReceivedThroughConversionOfConvertibleInstruments" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfNumberAndWeightedAverageExercisePricesOfWarrantsTableTextBlock_aed58f39-8347-44fa-9233-baacaff7fb8f_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfNumberAndWeightedAverageExercisePricesOfWarrantsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of Summary of Warrants Outstanding </link:label>
<link:label id="lab_acb_DisclosureOfNumberAndWeightedAverageExercisePricesOfWarrantsTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfNumberAndWeightedAverageExercisePricesOfWarrantsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Number And Weighted Average Exercise Prices Of Warrants [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfNumberAndWeightedAverageExercisePricesOfWarrantsTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfNumberAndWeightedAverageExercisePricesOfWarrantsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Number And Weighted Average Exercise Prices Of Warrants [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfNumberAndWeightedAverageExercisePricesOfWarrantsTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfNumberAndWeightedAverageExercisePricesOfWarrantsTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfNumberAndWeightedAverageExercisePricesOfWarrantsTableTextBlock" xlink:to="lab_acb_DisclosureOfNumberAndWeightedAverageExercisePricesOfWarrantsTableTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AdjustmentsForDecreaseIncreaseInProvisions_13e15b3a-17b9-4a76-8d16-35e2d2a0c8ee_terseLabel_en-US" xlink:label="lab_acb_AdjustmentsForDecreaseIncreaseInProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Provisions </link:label>
<link:label id="lab_acb_AdjustmentsForDecreaseIncreaseInProvisions_label_en-US" xlink:label="lab_acb_AdjustmentsForDecreaseIncreaseInProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments For Decrease (Increase) In Provisions </link:label>
<link:label id="lab_acb_AdjustmentsForDecreaseIncreaseInProvisions_documentation_en-US" xlink:label="lab_acb_AdjustmentsForDecreaseIncreaseInProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments For Decrease (Increase) In Provisions </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AdjustmentsForDecreaseIncreaseInProvisions" xlink:href="acb-20210630.xsd#acb_AdjustmentsForDecreaseIncreaseInProvisions"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AdjustmentsForDecreaseIncreaseInProvisions" xlink:to="lab_acb_AdjustmentsForDecreaseIncreaseInProvisions" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesLineItems_c2cb6f55-9e44-4444-aa53-a5469d3b96fe_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of information about unconsolidated subsidiaries [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of information about unconsolidated subsidiaries [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesLineItems" xlink:to="lab_ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember_c350ba13-4524-4d97-a2e7-3c27f06765f3_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amortized cost </link:label>
<link:label id="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial liabilities at amortised cost, category [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RestructuringFacilitiesAndColombiaLandMember_b40358d8-69ff-40d0-9307-b4346a8d1ab0_terseLabel_en-US" xlink:label="lab_acb_RestructuringFacilitiesAndColombiaLandMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Facilities and Colombia Land </link:label>
<link:label id="lab_acb_RestructuringFacilitiesAndColombiaLandMember_label_en-US" xlink:label="lab_acb_RestructuringFacilitiesAndColombiaLandMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Facilities And Colombia Land [Member] </link:label>
<link:label id="lab_acb_RestructuringFacilitiesAndColombiaLandMember_documentation_en-US" xlink:label="lab_acb_RestructuringFacilitiesAndColombiaLandMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Facilities And Colombia Land </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RestructuringFacilitiesAndColombiaLandMember" xlink:href="acb-20210630.xsd#acb_RestructuringFacilitiesAndColombiaLandMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RestructuringFacilitiesAndColombiaLandMember" xlink:to="lab_acb_RestructuringFacilitiesAndColombiaLandMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxAssetsPropertyPlantAndEquipmentMember_01fd10c1-7d7d-4d97-b9c9-9d33fce6ff96_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxAssetsPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, plant and equipment </link:label>
<link:label id="lab_acb_DeferredTaxAssetsPropertyPlantAndEquipmentMember_label_en-US" xlink:label="lab_acb_DeferredTaxAssetsPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Property, Plant And Equipment [Member] </link:label>
<link:label id="lab_acb_DeferredTaxAssetsPropertyPlantAndEquipmentMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxAssetsPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Property, Plant And Equipment [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxAssetsPropertyPlantAndEquipmentMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxAssetsPropertyPlantAndEquipmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxAssetsPropertyPlantAndEquipmentMember" xlink:to="lab_acb_DeferredTaxAssetsPropertyPlantAndEquipmentMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable_914cc611-e5ac-4d14-b53d-db6c64dcc150_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable"/>
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<link:label id="lab_acb_AdjustmentsForOtherIncomeNet_2142a16d-e9a2-4b8c-bf8b-40ee8f22d56e_negatedTerseLabel_en-US" xlink:label="lab_acb_AdjustmentsForOtherIncomeNet" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other (gains) losses, net </link:label>
<link:label id="lab_acb_AdjustmentsForOtherIncomeNet_label_en-US" xlink:label="lab_acb_AdjustmentsForOtherIncomeNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments For Other Income, Net </link:label>
<link:label id="lab_acb_AdjustmentsForOtherIncomeNet_documentation_en-US" xlink:label="lab_acb_AdjustmentsForOtherIncomeNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments For Other Income, Net </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AdjustmentsForOtherIncomeNet" xlink:href="acb-20210630.xsd#acb_AdjustmentsForOtherIncomeNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AdjustmentsForOtherIncomeNet" xlink:to="lab_acb_AdjustmentsForOtherIncomeNet" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory_3053e780-f6a0-44b7-be1d-e17e015b98d3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Geographical Segments </link:label>
<link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of geographical areas [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfGeographicalAreasExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:to="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_FinancialAssetsMember_6337b4f2-1137-4048-9e82-e03881ff9468_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial assets, class [member] </link:label>
<link:label id="lab_ifrs-full_FinancialAssetsMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial assets, class [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialAssetsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsMember" xlink:to="lab_ifrs-full_FinancialAssetsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProfitLossAttributableToAbstract_57eb001a-127d-4256-ac47-bd8a210afa9d_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net loss from continuing operations attributable to: </link:label>
<link:label id="lab_ifrs-full_ProfitLossAttributableToAbstract_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (loss), attributable to [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossAttributableToAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToAbstract" xlink:to="lab_ifrs-full_ProfitLossAttributableToAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsConvertedInstrumentSharesIssued_c5d0669d-5731-42c0-9e13-21e6849eb6c3_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsConvertedInstrumentSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, converted instrument, shares issued (in shares) </link:label>
<link:label id="lab_acb_FinancialAssetsConvertedInstrumentSharesIssued_label_en-US" xlink:label="lab_acb_FinancialAssetsConvertedInstrumentSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Converted Instrument, Shares Issued </link:label>
<link:label id="lab_acb_FinancialAssetsConvertedInstrumentSharesIssued_documentation_en-US" xlink:label="lab_acb_FinancialAssetsConvertedInstrumentSharesIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Converted Instrument, Shares Issued </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsConvertedInstrumentSharesIssued" xlink:href="acb-20210630.xsd#acb_FinancialAssetsConvertedInstrumentSharesIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsConvertedInstrumentSharesIssued" xlink:to="lab_acb_FinancialAssetsConvertedInstrumentSharesIssued" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory_800412ba-ce4f-45ce-933f-df10b44c93fe_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Provision </link:label>
<link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory_6fafbff6-2c36-4579-8a7b-6fce1517d962_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Commitments and Contingencies </link:label>
<link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of other provisions, contingent liabilities and contingent assets [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory"/>
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<link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations_aa12a377-8cbf-4619-9652-7668279c8d1d_verboseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net cash provided by investing activities from discontinued operations </link:label>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash flows from (used in) investing activities, discontinued operations </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TaxEffectOfForeignTaxRates_70f85da3-3e1c-4dd7-99c8-6b3cf6fcdc5f_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Difference in statutory tax rate </link:label>
<link:label id="lab_ifrs-full_TaxEffectOfForeignTaxRates_label_en-US" xlink:label="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax effect of foreign tax rates </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxEffectOfForeignTaxRates" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TaxEffectOfForeignTaxRates"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxEffectOfForeignTaxRates" xlink:to="lab_ifrs-full_TaxEffectOfForeignTaxRates" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_FinancialLiabilitiesCategoryMember_cb70feb3-1a4e-4e2a-bac5-bcc48f470d48_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial liabilities, category [member] </link:label>
<link:label id="lab_ifrs-full_FinancialLiabilitiesCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial liabilities, category [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesCategoryMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialLiabilitiesCategoryMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesCategoryMember" xlink:to="lab_ifrs-full_FinancialLiabilitiesCategoryMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AdjustmentsForIncreaseDecreaseInIncomeTaxesPayable_add4e062-2d8d-4693-9d7e-b0a7b3e30ed1_terseLabel_en-US" xlink:label="lab_acb_AdjustmentsForIncreaseDecreaseInIncomeTaxesPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income taxes payable </link:label>
<link:label id="lab_acb_AdjustmentsForIncreaseDecreaseInIncomeTaxesPayable_label_en-US" xlink:label="lab_acb_AdjustmentsForIncreaseDecreaseInIncomeTaxesPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments For Increase (Decrease) In Income Taxes Payable </link:label>
<link:label id="lab_acb_AdjustmentsForIncreaseDecreaseInIncomeTaxesPayable_documentation_en-US" xlink:label="lab_acb_AdjustmentsForIncreaseDecreaseInIncomeTaxesPayable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments For Increase (Decrease) In Income Taxes Payable </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AdjustmentsForIncreaseDecreaseInIncomeTaxesPayable" xlink:href="acb-20210630.xsd#acb_AdjustmentsForIncreaseDecreaseInIncomeTaxesPayable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AdjustmentsForIncreaseDecreaseInIncomeTaxesPayable" xlink:to="lab_acb_AdjustmentsForIncreaseDecreaseInIncomeTaxesPayable" xlink:type="arc" order="1"/>
<link:label id="lab_acb_July2020DebenturesMember_5f1eb6ef-552e-4abf-9d2b-172c89098c16_terseLabel_en-US" xlink:label="lab_acb_July2020DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> July 2020 Debenture </link:label>
<link:label id="lab_acb_July2020DebenturesMember_label_en-US" xlink:label="lab_acb_July2020DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> July 2020 Debentures [Member] </link:label>
<link:label id="lab_acb_July2020DebenturesMember_documentation_en-US" xlink:label="lab_acb_July2020DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> July 2020 Debentures </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_July2020DebenturesMember" xlink:href="acb-20210630.xsd#acb_July2020DebenturesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_July2020DebenturesMember" xlink:to="lab_acb_July2020DebenturesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfEscrowSharesReturnedToTreasury_a6f102fb-386f-4cea-b838-53ecda50dcfb_terseLabel_en-US" xlink:label="lab_acb_NumberOfEscrowSharesReturnedToTreasury" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of escrow shares returned to treasury </link:label>
<link:label id="lab_acb_NumberOfEscrowSharesReturnedToTreasury_label_en-US" xlink:label="lab_acb_NumberOfEscrowSharesReturnedToTreasury" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Escrow Shares Returned To Treasury </link:label>
<link:label id="lab_acb_NumberOfEscrowSharesReturnedToTreasury_documentation_en-US" xlink:label="lab_acb_NumberOfEscrowSharesReturnedToTreasury" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Escrow Shares Returned To Treasury </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfEscrowSharesReturnedToTreasury" xlink:href="acb-20210630.xsd#acb_NumberOfEscrowSharesReturnedToTreasury"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfEscrowSharesReturnedToTreasury" xlink:to="lab_acb_NumberOfEscrowSharesReturnedToTreasury" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncreaseDecreaseThroughNetExchangeDifferencesLeaseLiabilities_bba89c36-a740-45b5-9a12-806623668b1f_terseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughNetExchangeDifferencesLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Changes due to foreign exchange rates </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughNetExchangeDifferencesLeaseLiabilities_label_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughNetExchangeDifferencesLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Net Exchange Differences, Lease Liabilities </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughNetExchangeDifferencesLeaseLiabilities_documentation_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughNetExchangeDifferencesLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Net Exchange Differences, Lease Liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseDecreaseThroughNetExchangeDifferencesLeaseLiabilities" xlink:href="acb-20210630.xsd#acb_IncreaseDecreaseThroughNetExchangeDifferencesLeaseLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncreaseDecreaseThroughNetExchangeDifferencesLeaseLiabilities" xlink:to="lab_acb_IncreaseDecreaseThroughNetExchangeDifferencesLeaseLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_eea32f7e-6fd6-4bd6-8d1f-8521ea981ee0_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of intangible assets other than goodwill [axis] </link:label>
<link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of intangible assets other than goodwill [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ReclassifiedItemsMember_322180bf-453d-49cb-9e97-27f5027d4697_terseLabel_en-US" xlink:label="lab_ifrs-full_ReclassifiedItemsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reclassified items [member] </link:label>
<link:label id="lab_ifrs-full_ReclassifiedItemsMember_label_en-US" xlink:label="lab_ifrs-full_ReclassifiedItemsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reclassified items [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReclassifiedItemsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ReclassifiedItemsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReclassifiedItemsMember" xlink:to="lab_ifrs-full_ReclassifiedItemsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_MarketableSecuritiesRelatedTemporaryDifferencesMember_00970fe9-4b0a-4ced-bd4a-84f370c31b8d_terseLabel_en-US" xlink:label="lab_acb_MarketableSecuritiesRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Marketable Securities </link:label>
<link:label id="lab_acb_MarketableSecuritiesRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_acb_MarketableSecuritiesRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Marketable Securities Related Temporary Differences [Member] </link:label>
<link:label id="lab_acb_MarketableSecuritiesRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_acb_MarketableSecuritiesRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Marketable Securities Related Temporary Differences [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_MarketableSecuritiesRelatedTemporaryDifferencesMember" xlink:href="acb-20210630.xsd#acb_MarketableSecuritiesRelatedTemporaryDifferencesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_MarketableSecuritiesRelatedTemporaryDifferencesMember" xlink:to="lab_acb_MarketableSecuritiesRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInBiologicalAssets_8c4ed535-480c-45e2-aba5-4e9186f80c8d_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Biological assets </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for decrease (increase) in biological assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInBiologicalAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInBiologicalAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInBiologicalAssets" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInBiologicalAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsConvertibleNumberofEquityInstruments_698b5794-1950-40ff-b8b1-f333f51b8d09_terseLabel_en-US" xlink:label="lab_acb_BorrowingsConvertibleNumberofEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion, number of common shares (in shares) </link:label>
<link:label id="lab_acb_BorrowingsConvertibleNumberofEquityInstruments_label_en-US" xlink:label="lab_acb_BorrowingsConvertibleNumberofEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Number of Equity Instruments </link:label>
<link:label id="lab_acb_BorrowingsConvertibleNumberofEquityInstruments_documentation_en-US" xlink:label="lab_acb_BorrowingsConvertibleNumberofEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Number of Equity Instruments </link:label>
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<link:label id="lab_acb_NetCashOutflowsInflowsForBusinessCombination_137dbb1b-3d21-465e-9e81-82df0c286051_totalLabel_en-US" xlink:label="lab_acb_NetCashOutflowsInflowsForBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash acquired, net of cash consideration paid </link:label>
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<link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsLineItems_07421c0a-f352-4a17-99ca-dae2bec22435_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about business combination [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about business combination [line items] </link:label>
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<link:label id="lab_ifrs-full_Assets_74430a07-d5ce-4d8e-971e-1ffc5730eeb4_totalLabel_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total assets </link:label>
<link:label id="lab_ifrs-full_Assets_c3ec33f7-2dde-4ef3-8b91-02174a81e64a_terseLabel_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets </link:label>
<link:label id="lab_ifrs-full_Assets_label_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Assets </link:label>
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<link:label id="lab_acb_NumberOfSharesReleasedFromEscrowUponAchievementOfMilestone_892bc88c-3695-4ddd-a7d7-a4b346f5bcf2_terseLabel_en-US" xlink:label="lab_acb_NumberOfSharesReleasedFromEscrowUponAchievementOfMilestone" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of shares released from escrow (in shares) </link:label>
<link:label id="lab_acb_NumberOfSharesReleasedFromEscrowUponAchievementOfMilestone_label_en-US" xlink:label="lab_acb_NumberOfSharesReleasedFromEscrowUponAchievementOfMilestone" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Released From Escrow Upon Achievement Of Milestone </link:label>
<link:label id="lab_acb_NumberOfSharesReleasedFromEscrowUponAchievementOfMilestone_documentation_en-US" xlink:label="lab_acb_NumberOfSharesReleasedFromEscrowUponAchievementOfMilestone" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Released From Escrow Upon Achievement Of Milestone </link:label>
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<link:label id="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnComprehensiveIncome_66237647-e41b-4e6f-9f98-636700416a00_terseLabel_en-US" xlink:label="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Change in risk variable, impact on comprehensive loss </link:label>
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<link:label id="lab_acb_LeaseReceivableMember_17ce9610-33e9-448c-bae2-7637fd57ea20_terseLabel_en-US" xlink:label="lab_acb_LeaseReceivableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease Receivable </link:label>
<link:label id="lab_acb_LeaseReceivableMember_label_en-US" xlink:label="lab_acb_LeaseReceivableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease Receivable [Member] </link:label>
<link:label id="lab_acb_LeaseReceivableMember_documentation_en-US" xlink:label="lab_acb_LeaseReceivableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease Receivable </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LeaseReceivableMember" xlink:href="acb-20210630.xsd#acb_LeaseReceivableMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LeaseReceivableMember" xlink:to="lab_acb_LeaseReceivableMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted_f9a98b2c-55e4-4d65-b670-c2563181a375_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average fair value of awards granted (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average fair value at measurement date, other equity instruments granted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted"/>
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<link:label id="lab_ifrs-full_InterestExpense_8e572046-7c52-4e48-a196-eb5ef554beb3_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest expense </link:label>
<link:label id="lab_ifrs-full_InterestExpense_label_en-US" xlink:label="lab_ifrs-full_InterestExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest expense </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpense" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestExpense"/>
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<link:label id="lab_acb_CapciumInc.Member_154c4d0a-1f89-4eeb-97ae-c3076df85e19_verboseLabel_en-US" xlink:label="lab_acb_CapciumInc.Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capcium </link:label>
<link:label id="lab_acb_CapciumInc.Member_f03077e1-f506-4107-9259-76ab32ff19aa_terseLabel_en-US" xlink:label="lab_acb_CapciumInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capcium </link:label>
<link:label id="lab_acb_CapciumInc.Member_label_en-US" xlink:label="lab_acb_CapciumInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capcium Inc. [Member] </link:label>
<link:label id="lab_acb_CapciumInc.Member_documentation_en-US" xlink:label="lab_acb_CapciumInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capcium Inc. [Member] </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CapciumInc.Member" xlink:to="lab_acb_CapciumInc.Member" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable_fa31cb24-5da7-428a-8635-abcecc53db76_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value measurement of liabilities [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value measurement of liabilities [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable"/>
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<link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_9df9d052-77fe-4cde-9928-95d9536265ce_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest expense on lease liabilities </link:label>
<link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest expense on lease liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestExpenseOnLeaseLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:to="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_TypesOfShareCapitalOfferingNameMember_80745701-baf2-49a7-991c-a92cd778218d_terseLabel_en-US" xlink:label="lab_acb_TypesOfShareCapitalOfferingNameMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Types of Share Capital Offering, Name [Member] </link:label>
<link:label id="lab_acb_TypesOfShareCapitalOfferingNameMember_label_en-US" xlink:label="lab_acb_TypesOfShareCapitalOfferingNameMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Types of Share Capital Offering, Name [Member] </link:label>
<link:label id="lab_acb_TypesOfShareCapitalOfferingNameMember_documentation_en-US" xlink:label="lab_acb_TypesOfShareCapitalOfferingNameMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Types of Share Capital Offering, Name </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TypesOfShareCapitalOfferingNameMember" xlink:href="acb-20210630.xsd#acb_TypesOfShareCapitalOfferingNameMember"/>
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<link:label id="lab_acb_DisclosureOfDetailedInformationAboutMeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsiderationTableTextBlock_2f055346-447e-46ad-858c-611d380d5604_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutMeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsiderationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments to Initial Purchase Price Allocations </link:label>
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<link:label id="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory_3b96129f-0578-4131-9182-7c09167e69bb_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inputs and Assumptions Used in Determining the Fair Value of Biological Assets </link:label>
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<link:label id="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of significant unobservable inputs used in fair value measurement of assets [text block] </link:label>
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<link:label id="lab_ifrs-full_DisposalsPropertyPlantAndEquipment_eb0266b2-2451-4e90-92da-8cf5d017c2e5_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disposals </link:label>
<link:label id="lab_ifrs-full_DisposalsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disposals, property, plant and equipment </link:label>
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<link:label id="lab_ifrs-full_NoncurrentLiabilities_b3955715-830c-45a6-ba88-96ccb3f711cf_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current liabilities </link:label>
<link:label id="lab_ifrs-full_NoncurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLiabilities" xlink:to="lab_ifrs-full_NoncurrentLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_db5180de-0920-48f6-b574-f15fc45b9d27_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue from the Transfer of Goods and Services </link:label>
<link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of disaggregation of revenue from contracts with customers [text block] </link:label>
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<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement2019_0eea7a50-8b92-4949-bb4a-371c51210a4b_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Forfeited (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average exercise price of other equity instruments forfeited in share-based payment arrangement </link:label>
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<link:label id="lab_acb_MainEventsAndCircumstancesThatLedToRecognitionOfImpairmentLossesScaledBackProductionPercentageOfPreviousCapacity_9f8f5875-5418-40bd-aab1-eea4036af80c_terseLabel_en-US" xlink:label="lab_acb_MainEventsAndCircumstancesThatLedToRecognitionOfImpairmentLossesScaledBackProductionPercentageOfPreviousCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Scaled back production, percentage of previous capacity </link:label>
<link:label id="lab_acb_MainEventsAndCircumstancesThatLedToRecognitionOfImpairmentLossesScaledBackProductionPercentageOfPreviousCapacity_label_en-US" xlink:label="lab_acb_MainEventsAndCircumstancesThatLedToRecognitionOfImpairmentLossesScaledBackProductionPercentageOfPreviousCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Main Events And Circumstances That Led To Recognition Of Impairment Losses, Scaled Back Production, Percentage Of Previous Capacity </link:label>
<link:label id="lab_acb_MainEventsAndCircumstancesThatLedToRecognitionOfImpairmentLossesScaledBackProductionPercentageOfPreviousCapacity_documentation_en-US" xlink:label="lab_acb_MainEventsAndCircumstancesThatLedToRecognitionOfImpairmentLossesScaledBackProductionPercentageOfPreviousCapacity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Main Events And Circumstances That Led To Recognition Of Impairment Losses, Scaled Back Production, Percentage Of Previous Capacity </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_MainEventsAndCircumstancesThatLedToRecognitionOfImpairmentLossesScaledBackProductionPercentageOfPreviousCapacity" xlink:href="acb-20210630.xsd#acb_MainEventsAndCircumstancesThatLedToRecognitionOfImpairmentLossesScaledBackProductionPercentageOfPreviousCapacity"/>
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<link:label id="lab_ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod_2a1f3a27-32c7-47cd-b5b5-ca3ffe3bc321_terseLabel_en-US" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share of loss from investment in associates </link:label>
<link:label id="lab_ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod_label_en-US" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share of profit (loss) of associates accounted for using equity method </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod"/>
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<link:label id="lab_acb_NumberOfFacilitiesClosed_e573ed9f-e402-4bdd-8d29-5d6026de07a0_terseLabel_en-US" xlink:label="lab_acb_NumberOfFacilitiesClosed" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of facilities closed </link:label>
<link:label id="lab_acb_NumberOfFacilitiesClosed_label_en-US" xlink:label="lab_acb_NumberOfFacilitiesClosed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Facilities Closed </link:label>
<link:label id="lab_acb_NumberOfFacilitiesClosed_documentation_en-US" xlink:label="lab_acb_NumberOfFacilitiesClosed" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Facilities Closed </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfFacilitiesClosed" xlink:href="acb-20210630.xsd#acb_NumberOfFacilitiesClosed"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfFacilitiesClosed" xlink:to="lab_acb_NumberOfFacilitiesClosed" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CustomerAMember_16e097be-cefc-42ec-a614-d991f73f8797_terseLabel_en-US" xlink:label="lab_acb_CustomerAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer A </link:label>
<link:label id="lab_acb_CustomerAMember_label_en-US" xlink:label="lab_acb_CustomerAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer A [Member] </link:label>
<link:label id="lab_acb_CustomerAMember_documentation_en-US" xlink:label="lab_acb_CustomerAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer A [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CustomerAMember" xlink:href="acb-20210630.xsd#acb_CustomerAMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CustomerAMember" xlink:to="lab_acb_CustomerAMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary_daf0e5c8-0734-45eb-b069-2bf02e66ca62_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Percentage Ownership </link:label>
<link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary_83beba7b-0041-4d3d-a6ab-688a36ee09c7_terseLabel_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proportion of ownership interest </link:label>
<link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary_label_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proportion of ownership interest in subsidiary </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProportionOfOwnershipInterestInSubsidiary"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:to="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ProportionOfOwnershipInterestInInvestment_43233d82-4826-4935-8d47-0ba724cf4270_terseLabel_en-US" xlink:label="lab_acb_ProportionOfOwnershipInterestInInvestment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proportion of ownership interest in investment </link:label>
<link:label id="lab_acb_ProportionOfOwnershipInterestInInvestment_label_en-US" xlink:label="lab_acb_ProportionOfOwnershipInterestInInvestment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proportion Of Ownership Interest In Investment </link:label>
<link:label id="lab_acb_ProportionOfOwnershipInterestInInvestment_documentation_en-US" xlink:label="lab_acb_ProportionOfOwnershipInterestInInvestment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proportion Of Ownership Interest In Investment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ProportionOfOwnershipInterestInInvestment" xlink:href="acb-20210630.xsd#acb_ProportionOfOwnershipInterestInInvestment"/>
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<link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncome_08ee2f21-4a8b-4b87-8a03-72faa3462292_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred revenue </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncome_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for increase (decrease) in deferred income </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncome" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncome"/>
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<link:label id="lab_ifrs-full_ContingentLiabilitiesMember_d95c51d9-ff05-4722-b72d-4cc62257ade9_terseLabel_en-US" xlink:label="lab_ifrs-full_ContingentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Contingent liabilities [member] </link:label>
<link:label id="lab_ifrs-full_ContingentLiabilitiesMember_label_en-US" xlink:label="lab_ifrs-full_ContingentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Contingent liabilities [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContingentLiabilitiesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ContingentLiabilitiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContingentLiabilitiesMember" xlink:to="lab_ifrs-full_ContingentLiabilitiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AverageStageOfGrowthMeasurementInputMember_7d7ff6b4-8406-4f30-8d05-3d3cf53fc769_terseLabel_en-US" xlink:label="lab_acb_AverageStageOfGrowthMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Average Stage of Growth, Measurement Input </link:label>
<link:label id="lab_acb_AverageStageOfGrowthMeasurementInputMember_label_en-US" xlink:label="lab_acb_AverageStageOfGrowthMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Average Stage Of Growth, Measurement Input [Member] </link:label>
<link:label id="lab_acb_AverageStageOfGrowthMeasurementInputMember_documentation_en-US" xlink:label="lab_acb_AverageStageOfGrowthMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Average Stage Of Growth, Measurement Input </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AverageStageOfGrowthMeasurementInputMember" xlink:href="acb-20210630.xsd#acb_AverageStageOfGrowthMeasurementInputMember"/>
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<link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_55bc98e2-6bee-4955-904d-8fc48f8d5199_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Recovered through (charged to) other comprehensive income </link:label>
<link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income tax relating to components of other comprehensive income </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:to="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfCommonSharesPerUnitIssued_d9affac9-2e63-447c-a017-187393b17789_terseLabel_en-US" xlink:label="lab_acb_NumberOfCommonSharesPerUnitIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of common shares per unit issued (in shares) </link:label>
<link:label id="lab_acb_NumberOfCommonSharesPerUnitIssued_label_en-US" xlink:label="lab_acb_NumberOfCommonSharesPerUnitIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of Common Shares per Unit Issued </link:label>
<link:label id="lab_acb_NumberOfCommonSharesPerUnitIssued_documentation_en-US" xlink:label="lab_acb_NumberOfCommonSharesPerUnitIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of Common Shares per Unit Issued </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfCommonSharesPerUnitIssued" xlink:href="acb-20210630.xsd#acb_NumberOfCommonSharesPerUnitIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfCommonSharesPerUnitIssued" xlink:to="lab_acb_NumberOfCommonSharesPerUnitIssued" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_EntitysTotalForSegmentConsolidationItemsMember_a14e2626-9a93-4d08-9934-2704ada0f998_terseLabel_en-US" xlink:label="lab_ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity's total for segment consolidation items [member] </link:label>
<link:label id="lab_ifrs-full_EntitysTotalForSegmentConsolidationItemsMember_label_en-US" xlink:label="lab_ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity's total for segment consolidation items [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EntitysTotalForSegmentConsolidationItemsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:to="lab_ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsCovenantMinimumUnrestrictedCashBalance_be3951ca-9321-4580-8199-3b272c086a96_terseLabel_en-US" xlink:label="lab_acb_BorrowingsCovenantMinimumUnrestrictedCashBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Minimum unrestricted cash balance required </link:label>
<link:label id="lab_acb_BorrowingsCovenantMinimumUnrestrictedCashBalance_label_en-US" xlink:label="lab_acb_BorrowingsCovenantMinimumUnrestrictedCashBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Minimum Unrestricted Cash Balance </link:label>
<link:label id="lab_acb_BorrowingsCovenantMinimumUnrestrictedCashBalance_documentation_en-US" xlink:label="lab_acb_BorrowingsCovenantMinimumUnrestrictedCashBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Minimum Unrestricted Cash Balance </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsCovenantMinimumUnrestrictedCashBalance" xlink:href="acb-20210630.xsd#acb_BorrowingsCovenantMinimumUnrestrictedCashBalance"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsCovenantMinimumUnrestrictedCashBalance" xlink:to="lab_acb_BorrowingsCovenantMinimumUnrestrictedCashBalance" xlink:type="arc" order="1"/>
<link:label id="lab_acb_TermLoansMember_07047961-fce5-4943-97a5-9eff655baa33_terseLabel_en-US" xlink:label="lab_acb_TermLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Term loan credit facilities </link:label>
<link:label id="lab_acb_TermLoansMember_label_en-US" xlink:label="lab_acb_TermLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Term Loans [Member] </link:label>
<link:label id="lab_acb_TermLoansMember_documentation_en-US" xlink:label="lab_acb_TermLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Term Loans [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TermLoansMember" xlink:href="acb-20210630.xsd#acb_TermLoansMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_TermLoansMember" xlink:to="lab_acb_TermLoansMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FairvaluemeasurementAbstract_8c6f6c2a-0ca9-41df-a521-7e77f1462e49_terseLabel_en-US" xlink:label="lab_acb_FairvaluemeasurementAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair value measurement [Abstract] </link:label>
<link:label id="lab_acb_FairvaluemeasurementAbstract_label_en-US" xlink:label="lab_acb_FairvaluemeasurementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair value measurement [Abstract] </link:label>
<link:label id="lab_acb_FairvaluemeasurementAbstract_documentation_en-US" xlink:label="lab_acb_FairvaluemeasurementAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair value measurement [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FairvaluemeasurementAbstract" xlink:href="acb-20210630.xsd#acb_FairvaluemeasurementAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FairvaluemeasurementAbstract" xlink:to="lab_acb_FairvaluemeasurementAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OtherGainsLosses_b92c2b26-8572-4de8-94fe-e043e98f20c9_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_OtherGainsLosses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other gains </link:label>
<link:label id="lab_ifrs-full_OtherGainsLosses_52203954-4c5f-4668-a545-0cc19dcfaee7_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherGainsLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other gains </link:label>
<link:label id="lab_ifrs-full_OtherGainsLosses_label_en-US" xlink:label="lab_ifrs-full_OtherGainsLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other gains (losses) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherGainsLosses" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherGainsLosses"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherGainsLosses" xlink:to="lab_ifrs-full_OtherGainsLosses" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CustomerBMember_fa687310-331e-407f-987a-49825500310d_terseLabel_en-US" xlink:label="lab_acb_CustomerBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer B </link:label>
<link:label id="lab_acb_CustomerBMember_label_en-US" xlink:label="lab_acb_CustomerBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer B [Member] </link:label>
<link:label id="lab_acb_CustomerBMember_documentation_en-US" xlink:label="lab_acb_CustomerBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer B [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CustomerBMember" xlink:href="acb-20210630.xsd#acb_CustomerBMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CustomerBMember" xlink:to="lab_acb_CustomerBMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets_c2515228-513b-489a-b5ff-6743ff553304_negatedLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized fair value loss recognized </link:label>
<link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets_4373dac2-2b69-4050-9e54-09085cef5c54_verboseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain (loss) on deemed disposal of significant influence investment </link:label>
<link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets_label_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:to="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AuroraDeutschlandGmbHMember_b244404b-9703-4e83-b056-8dadc46e85c2_terseLabel_en-US" xlink:label="lab_acb_AuroraDeutschlandGmbHMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Deutschland GmbH (“Aurora Deutschland”) </link:label>
<link:label id="lab_acb_AuroraDeutschlandGmbHMember_label_en-US" xlink:label="lab_acb_AuroraDeutschlandGmbHMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Deutschland GmbH [Member] </link:label>
<link:label id="lab_acb_AuroraDeutschlandGmbHMember_documentation_en-US" xlink:label="lab_acb_AuroraDeutschlandGmbHMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Deutschland GmbH [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AuroraDeutschlandGmbHMember" xlink:href="acb-20210630.xsd#acb_AuroraDeutschlandGmbHMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AuroraDeutschlandGmbHMember" xlink:to="lab_acb_AuroraDeutschlandGmbHMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_Borrowings_cb33a03a-a385-4518-b730-a2d1fa28967c_verboseLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial liabilities at amortised cost </link:label>
<link:label id="lab_ifrs-full_Borrowings_676c47ef-1025-4783-a350-1754a43a4a5b_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Beginning balance </link:label>
<link:label id="lab_ifrs-full_Borrowings_acc98556-b596-4f57-b2f2-a2be3361ea7a_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ending balance </link:label>
<link:label id="lab_ifrs-full_Borrowings_db870fc0-c66d-4b26-a2c7-3462068498c8_terseLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings </link:label>
<link:label id="lab_ifrs-full_Borrowings_label_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Borrowings" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Borrowings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Borrowings" xlink:to="lab_ifrs-full_Borrowings" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ValuationTechniquesMember_637d4e55-3bb5-466e-aeed-174bf550417b_terseLabel_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Valuation techniques [member] </link:label>
<link:label id="lab_ifrs-full_ValuationTechniquesMember_label_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Valuation techniques [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ValuationTechniquesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ValuationTechniquesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ValuationTechniquesMember" xlink:to="lab_ifrs-full_ValuationTechniquesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LandMember_7011ba05-8a36-4efc-b667-4af6d8440f46_terseLabel_en-US" xlink:label="lab_ifrs-full_LandMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Land </link:label>
<link:label id="lab_ifrs-full_LandMember_label_en-US" xlink:label="lab_ifrs-full_LandMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Land [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LandMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LandMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LandMember" xlink:to="lab_ifrs-full_LandMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxLiabilitiesInvestmentInAssociatesMember_983b29d4-14b0-49d7-9981-673ed3376c20_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesInvestmentInAssociatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investment in associates </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesInvestmentInAssociatesMember_label_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesInvestmentInAssociatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Investment In Associates [Member] </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesInvestmentInAssociatesMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesInvestmentInAssociatesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Investment In Associates [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxLiabilitiesInvestmentInAssociatesMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxLiabilitiesInvestmentInAssociatesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxLiabilitiesInvestmentInAssociatesMember" xlink:to="lab_acb_DeferredTaxLiabilitiesInvestmentInAssociatesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RetainedEarningsMember_efbbf694-c078-4097-907f-3050fc9ee36a_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deficit </link:label>
<link:label id="lab_ifrs-full_RetainedEarningsMember_label_en-US" xlink:label="lab_ifrs-full_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Retained earnings [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarningsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RetainedEarningsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarningsMember" xlink:to="lab_ifrs-full_RetainedEarningsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables_a310462a-1b6b-4aa3-bfae-9604f95d6d72_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts payable and accrued liabilities </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for increase (decrease) in trade and other payables </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:type="arc" order="1"/>
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<link:label id="lab_ifrs-full_SignificantUnobservableInputLiabilities_label_en-US" xlink:label="lab_ifrs-full_SignificantUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Significant unobservable input, liabilities </link:label>
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<link:label id="lab_ifrs-full_ExercisePriceOfOutstandingShareOptions2019_bfb77b33-be40-4d94-aa90-c2f4940c9bc6_terseLabel_en-US" xlink:label="lab_ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise price of outstanding share options (CAD per share) </link:label>
<link:label id="lab_ifrs-full_ExercisePriceOfOutstandingShareOptions2019_label_en-US" xlink:label="lab_ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise price of outstanding share options </link:label>
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<link:label id="lab_ifrs-full_AssetsAbstract_72001638-540b-4a30-ba3e-ee1f3c2a8aab_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Assets </link:label>
<link:label id="lab_ifrs-full_AssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Assets [abstract] </link:label>
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<link:label id="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract_95f2ded9-9cc4-4d06-b750-525ab815b009_terseLabel_en-US" xlink:label="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Analysis of income and expense [abstract] </link:label>
<link:label id="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Analysis of income and expense [abstract] </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:to="lab_ifrs-full_AnalysisOfIncomeAndExpenseAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_3d109544-bd2e-46cb-9dd0-cf9f70985d91_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of disaggregation of revenue from contracts with customers [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of disaggregation of revenue from contracts with customers [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable"/>
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<link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract_d9aff5ac-438c-4dd9-8651-c0fea58451aa_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other comprehensive income (loss) that may be reclassified to net loss </link:label>
<link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] </link:label>
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<link:label id="lab_ifrs-full_ConstructionInProgressMember_0557753f-2136-43f7-b9ef-ad451a87af52_terseLabel_en-US" xlink:label="lab_ifrs-full_ConstructionInProgressMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Construction in progress </link:label>
<link:label id="lab_ifrs-full_ConstructionInProgressMember_label_en-US" xlink:label="lab_ifrs-full_ConstructionInProgressMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Construction in progress [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ConstructionInProgressMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ConstructionInProgressMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ConstructionInProgressMember" xlink:to="lab_ifrs-full_ConstructionInProgressMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AgriculturalProduceByGroupAxis_4a2108f3-43c2-4f97-a584-a3bed84b2aeb_terseLabel_en-US" xlink:label="lab_ifrs-full_AgriculturalProduceByGroupAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Agricultural produce by group [axis] </link:label>
<link:label id="lab_ifrs-full_AgriculturalProduceByGroupAxis_label_en-US" xlink:label="lab_ifrs-full_AgriculturalProduceByGroupAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Agricultural produce by group [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AgriculturalProduceByGroupAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AgriculturalProduceByGroupAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AgriculturalProduceByGroupAxis" xlink:to="lab_ifrs-full_AgriculturalProduceByGroupAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfNatureAmountAndCorrectionOfAccountingErrorsInPriorPeriodsEstimate_77faa410-77fd-4a80-bf06-39c10d039a04_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfNatureAmountAndCorrectionOfAccountingErrorsInPriorPeriodsEstimate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Biological Assets and Inventory Non-Material Prior Period Error </link:label>
<link:label id="lab_ifrs-full_DescriptionOfNatureAmountAndCorrectionOfAccountingErrorsInPriorPeriodsEstimate_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfNatureAmountAndCorrectionOfAccountingErrorsInPriorPeriodsEstimate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of nature of accounting errors in prior periods [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfNatureAmountAndCorrectionOfAccountingErrorsInPriorPeriodsEstimate" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfNatureAmountAndCorrectionOfAccountingErrorsInPriorPeriodsEstimate"/>
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<link:label id="lab_acb_FinancialAssetsRightToNominateNumberOfDirectors_b53ea1ff-6c48-4182-af17-42ceb60aa8f7_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsRightToNominateNumberOfDirectors" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Right to nominate, number of directors (up to) </link:label>
<link:label id="lab_acb_FinancialAssetsRightToNominateNumberOfDirectors_label_en-US" xlink:label="lab_acb_FinancialAssetsRightToNominateNumberOfDirectors" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Right To Nominate, Number Of Directors </link:label>
<link:label id="lab_acb_FinancialAssetsRightToNominateNumberOfDirectors_documentation_en-US" xlink:label="lab_acb_FinancialAssetsRightToNominateNumberOfDirectors" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Right To Nominate, Number Of Directors </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsRightToNominateNumberOfDirectors" xlink:href="acb-20210630.xsd#acb_FinancialAssetsRightToNominateNumberOfDirectors"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsRightToNominateNumberOfDirectors" xlink:to="lab_acb_FinancialAssetsRightToNominateNumberOfDirectors" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OtherReserves_21f7fe4a-1fab-47a9-8b09-d3c24718acbd_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reserves </link:label>
<link:label id="lab_ifrs-full_OtherReserves_label_en-US" xlink:label="lab_ifrs-full_OtherReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other reserves </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherReserves" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherReserves"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherReserves" xlink:to="lab_ifrs-full_OtherReserves" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_4c27d55f-df3a-4052-bb53-d282c8fd0164_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible Assets and Goodwill </link:label>
<link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of intangible assets and goodwill [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ServicesReceivedRelatedPartyTransactions_da9f6d3d-a29f-401a-8e85-506fd93ca7f1_totalLabel_en-US" xlink:label="lab_ifrs-full_ServicesReceivedRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total </link:label>
<link:label id="lab_ifrs-full_ServicesReceivedRelatedPartyTransactions_label_en-US" xlink:label="lab_ifrs-full_ServicesReceivedRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Services received, related party transactions </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ServicesReceivedRelatedPartyTransactions" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ServicesReceivedRelatedPartyTransactions"/>
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<link:label id="lab_ifrs-full_MachineryMember_f0d2f730-8cf2-426c-9099-87b9eb99d565_verboseLabel_en-US" xlink:label="lab_ifrs-full_MachineryMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Heat and Power System </link:label>
<link:label id="lab_ifrs-full_MachineryMember_242ac525-a7a9-48e3-97c8-926e707491ed_terseLabel_en-US" xlink:label="lab_ifrs-full_MachineryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Production & other equipment </link:label>
<link:label id="lab_ifrs-full_MachineryMember_label_en-US" xlink:label="lab_ifrs-full_MachineryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Machinery [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MachineryMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_MachineryMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MachineryMember" xlink:to="lab_ifrs-full_MachineryMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory_e93ade55-bf05-440a-b2fd-ba84cddc9fed_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Segmented Information </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for segment reporting [text block] </link:label>
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<link:label id="lab_acb_June2019DebenturesMember_a391e8b5-5d1c-40ff-850a-47d4e19d69ac_terseLabel_en-US" xlink:label="lab_acb_June2019DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> June 2019 Debentures </link:label>
<link:label id="lab_acb_June2019DebenturesMember_label_en-US" xlink:label="lab_acb_June2019DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> June 2019 Debentures [Member] </link:label>
<link:label id="lab_acb_June2019DebenturesMember_documentation_en-US" xlink:label="lab_acb_June2019DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> June 2019 Debentures </link:label>
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<link:label id="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentRentInArrearsAndCostsMember_af03a0b8-3793-4bfc-8f4c-78d18ec623f9_terseLabel_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentRentInArrearsAndCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal proceedings contingent liability, unpaid rent, rent in arrears and costs </link:label>
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<link:label id="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentRentInArrearsAndCostsMember_documentation_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentRentInArrearsAndCostsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Unpaid Rent, Rent In Arrears And Costs </link:label>
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<link:label id="lab_acb_FiscalQuarterEndedMarch312021Member_e8f9432b-0b98-4f4c-a652-07f451783250_terseLabel_en-US" xlink:label="lab_acb_FiscalQuarterEndedMarch312021Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fiscal quarter ended March 31, 2021 </link:label>
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<link:label id="lab_acb_FiscalQuarterEndedMarch312021Member_documentation_en-US" xlink:label="lab_acb_FiscalQuarterEndedMarch312021Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fiscal Quarter Ended March 31, 2021 [Member] </link:label>
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<link:label id="lab_ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments_3add344a-42d3-4a09-a22d-c0b91f246c99_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion of convertible debentures </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments_6b73e89c-b113-4101-9948-779dcd37a308_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion of debt </link:label>
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<link:label id="lab_ifrs-full_CountryOfDomicileMember_477407b7-d8f5-4556-8274-64fe583f9cc4_terseLabel_en-US" xlink:label="lab_ifrs-full_CountryOfDomicileMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canada </link:label>
<link:label id="lab_ifrs-full_CountryOfDomicileMember_label_en-US" xlink:label="lab_ifrs-full_CountryOfDomicileMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Country of domicile [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CountryOfDomicileMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CountryOfDomicileMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CountryOfDomicileMember" xlink:to="lab_ifrs-full_CountryOfDomicileMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests_df0a9c99-50a4-4ed3-a8f5-76f43cea980d_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-controlling interests </link:label>
<link:label id="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (loss) from continuing operations attributable to non-controlling interests </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests"/>
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<link:label id="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed_95bd83e5-3022-430d-8592-2e28409f6ff7_totalLabel_en-US" xlink:label="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Identifiable assets acquired (liabilities assumed) </link:label>
<link:label id="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed_33e1f3b2-5007-497b-afb8-66d6551460e5_verboseLabel_en-US" xlink:label="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net identifiable assets acquired </link:label>
<link:label id="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed_label_en-US" xlink:label="lab_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Identifiable assets acquired (liabilities assumed) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed"/>
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<link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory_99f37499-d61a-4036-adac-72a11f43b7aa_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number and Weighted Average Exercise Prices of Share Options </link:label>
<link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of number and weighted average exercise prices of share options [text block] </link:label>
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<link:label id="lab_acb_ClassAPreferenceSharesMember_e6187865-a427-4074-a56c-d2c484f13f12_terseLabel_en-US" xlink:label="lab_acb_ClassAPreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Class A Preference Shares </link:label>
<link:label id="lab_acb_ClassAPreferenceSharesMember_label_en-US" xlink:label="lab_acb_ClassAPreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Class A Preference Shares [Member] </link:label>
<link:label id="lab_acb_ClassAPreferenceSharesMember_documentation_en-US" xlink:label="lab_acb_ClassAPreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Class A Preference Shares [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ClassAPreferenceSharesMember" xlink:href="acb-20210630.xsd#acb_ClassAPreferenceSharesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ClassAPreferenceSharesMember" xlink:to="lab_acb_ClassAPreferenceSharesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_FinanceCosts_bc69c59d-e7b7-4621-9c41-19f53e28e4a3_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Finance and other costs </link:label>
<link:label id="lab_ifrs-full_FinanceCosts_label_en-US" xlink:label="lab_ifrs-full_FinanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Finance costs </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceCosts" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinanceCosts"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceCosts" xlink:to="lab_ifrs-full_FinanceCosts" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory_2a44dd95-2fb7-4fed-9fc0-c5a6ef86c2c5_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Business Combinations </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for business combinations [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CannGroupLimitedMember_4ff1c0eb-031c-478b-9969-0ff856c3cc5b_terseLabel_en-US" xlink:label="lab_acb_CannGroupLimitedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cann Group </link:label>
<link:label id="lab_acb_CannGroupLimitedMember_label_en-US" xlink:label="lab_acb_CannGroupLimitedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cann Group Limited [Member] </link:label>
<link:label id="lab_acb_CannGroupLimitedMember_documentation_en-US" xlink:label="lab_acb_CannGroupLimitedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cann Group Limited [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CannGroupLimitedMember" xlink:href="acb-20210630.xsd#acb_CannGroupLimitedMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CannGroupLimitedMember" xlink:to="lab_acb_CannGroupLimitedMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsConversionOptionLiquidityEventDiscountToTheLiquidityEventPrice_dce58d84-ae01-4221-ba21-3ee0962d8311_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsConversionOptionLiquidityEventDiscountToTheLiquidityEventPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion option, liquidity event, discount to the liquidity event price </link:label>
<link:label id="lab_acb_FinancialAssetsConversionOptionLiquidityEventDiscountToTheLiquidityEventPrice_label_en-US" xlink:label="lab_acb_FinancialAssetsConversionOptionLiquidityEventDiscountToTheLiquidityEventPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Conversion Option, Liquidity Event, Discount To The Liquidity Event Price </link:label>
<link:label id="lab_acb_FinancialAssetsConversionOptionLiquidityEventDiscountToTheLiquidityEventPrice_documentation_en-US" xlink:label="lab_acb_FinancialAssetsConversionOptionLiquidityEventDiscountToTheLiquidityEventPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Conversion Option, Liquidity Event, Discount To The Liquidity Event Price </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsConversionOptionLiquidityEventDiscountToTheLiquidityEventPrice" xlink:href="acb-20210630.xsd#acb_FinancialAssetsConversionOptionLiquidityEventDiscountToTheLiquidityEventPrice"/>
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<link:label id="lab_ifrs-full_MarketsOfCustomersMember_ea3eb6c7-4588-480c-85ae-135e32f3aa83_terseLabel_en-US" xlink:label="lab_ifrs-full_MarketsOfCustomersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Markets of customers [member] </link:label>
<link:label id="lab_ifrs-full_MarketsOfCustomersMember_label_en-US" xlink:label="lab_ifrs-full_MarketsOfCustomersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Markets of customers [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MarketsOfCustomersMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_MarketsOfCustomersMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MarketsOfCustomersMember" xlink:to="lab_ifrs-full_MarketsOfCustomersMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_dadf4884-18a2-411d-8e0e-b7cba005e52b_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Vested, released and issued (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of other equity instruments exercised or vested in share-based payment arrangement </link:label>
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<link:label id="lab_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory_b9794697-c6f7-4083-9ec8-3cb8c091d185_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue </link:label>
<link:label id="lab_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of revenue from contracts with customers [text block] </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems_8450c2ee-ead7-48ee-af3b-4dd912f30ed0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of significant unobservable inputs used in fair value measurement of assets [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of significant unobservable inputs used in fair value measurement of assets [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LossOnEarlyConversionOfConvertibleBorrowings_37b245b0-a648-4242-adfb-0d8c806dc9b9_terseLabel_en-US" xlink:label="lab_acb_LossOnEarlyConversionOfConvertibleBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss on induced conversion of debenture </link:label>
<link:label id="lab_acb_LossOnEarlyConversionOfConvertibleBorrowings_a542a658-39a4-42ab-bfd7-e73ec48d6613_negatedTerseLabel_en-US" xlink:label="lab_acb_LossOnEarlyConversionOfConvertibleBorrowings" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss on induced conversion of debenture </link:label>
<link:label id="lab_acb_LossOnEarlyConversionOfConvertibleBorrowings_label_en-US" xlink:label="lab_acb_LossOnEarlyConversionOfConvertibleBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss On Early Conversion Of Convertible Borrowings </link:label>
<link:label id="lab_acb_LossOnEarlyConversionOfConvertibleBorrowings_documentation_en-US" xlink:label="lab_acb_LossOnEarlyConversionOfConvertibleBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss On Early Conversion Of Convertible Borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LossOnEarlyConversionOfConvertibleBorrowings" xlink:href="acb-20210630.xsd#acb_LossOnEarlyConversionOfConvertibleBorrowings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LossOnEarlyConversionOfConvertibleBorrowings" xlink:to="lab_acb_LossOnEarlyConversionOfConvertibleBorrowings" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_50fe9ad9-4fa3-4f36-ad2c-b415b41db190_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Cannabis Inc. </link:label>
<link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Comprehensive income, attributable to owners of parent </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AdditionsThroughAdoptionOfNewAccountingStandardPropertyPlantAndEquipment_52644037-619c-413b-bb7b-a96b8163f86d_terseLabel_en-US" xlink:label="lab_acb_AdditionsThroughAdoptionOfNewAccountingStandardPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> IFRS 16 Transition </link:label>
<link:label id="lab_acb_AdditionsThroughAdoptionOfNewAccountingStandardPropertyPlantAndEquipment_label_en-US" xlink:label="lab_acb_AdditionsThroughAdoptionOfNewAccountingStandardPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions Through Adoption Of New Accounting Standard, Property, Plant And Equipment </link:label>
<link:label id="lab_acb_AdditionsThroughAdoptionOfNewAccountingStandardPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_acb_AdditionsThroughAdoptionOfNewAccountingStandardPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions Through Adoption Of New Accounting Standard, Property, Plant And Equipment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AdditionsThroughAdoptionOfNewAccountingStandardPropertyPlantAndEquipment" xlink:href="acb-20210630.xsd#acb_AdditionsThroughAdoptionOfNewAccountingStandardPropertyPlantAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AdditionsThroughAdoptionOfNewAccountingStandardPropertyPlantAndEquipment" xlink:to="lab_acb_AdditionsThroughAdoptionOfNewAccountingStandardPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AgriculturalProduceGroupDriedCannabisMember_b11de1be-d592-4f06-bc1d-ea67adf0103f_terseLabel_en-US" xlink:label="lab_acb_AgriculturalProduceGroupDriedCannabisMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Dried cannabis </link:label>
<link:label id="lab_acb_AgriculturalProduceGroupDriedCannabisMember_label_en-US" xlink:label="lab_acb_AgriculturalProduceGroupDriedCannabisMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Agricultural Produce, Group, Dried Cannabis [Member] </link:label>
<link:label id="lab_acb_AgriculturalProduceGroupDriedCannabisMember_documentation_en-US" xlink:label="lab_acb_AgriculturalProduceGroupDriedCannabisMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Agricultural Produce, Group, Dried Cannabis [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AgriculturalProduceGroupDriedCannabisMember" xlink:href="acb-20210630.xsd#acb_AgriculturalProduceGroupDriedCannabisMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AgriculturalProduceGroupDriedCannabisMember" xlink:to="lab_acb_AgriculturalProduceGroupDriedCannabisMember" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityAddressesAddressTypeAxis_087088b2-1d11-4c95-a24b-7d3233166ffa_terseLabel_en-US" xlink:label="lab_dei_EntityAddressesAddressTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Addresses, Address Type [Axis] </link:label>
<link:label id="lab_dei_EntityAddressesAddressTypeAxis_label_en-US" xlink:label="lab_dei_EntityAddressesAddressTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Addresses, Address Type [Axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesAddressTypeAxis" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressesAddressTypeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressesAddressTypeAxis" xlink:to="lab_dei_EntityAddressesAddressTypeAxis" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityAddressesTable_e927abde-c98d-4a33-bb7f-ed8353aabfc3_terseLabel_en-US" xlink:label="lab_dei_EntityAddressesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Addresses [Table] </link:label>
<link:label id="lab_dei_EntityAddressesTable_label_en-US" xlink:label="lab_dei_EntityAddressesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Addresses [Table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesTable" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressesTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressesTable" xlink:to="lab_dei_EntityAddressesTable" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ComprehensiveIncomeFromDiscontinuedOperations_57a1a282-4c84-481f-82a2-b418629b156b_terseLabel_en-US" xlink:label="lab_acb_ComprehensiveIncomeFromDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Comprehensive loss from discontinued operations </link:label>
<link:label id="lab_acb_ComprehensiveIncomeFromDiscontinuedOperations_label_en-US" xlink:label="lab_acb_ComprehensiveIncomeFromDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Comprehensive Income From Discontinued Operations </link:label>
<link:label id="lab_acb_ComprehensiveIncomeFromDiscontinuedOperations_documentation_en-US" xlink:label="lab_acb_ComprehensiveIncomeFromDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Comprehensive Income From Discontinued Operations </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ComprehensiveIncomeFromDiscontinuedOperations" xlink:href="acb-20210630.xsd#acb_ComprehensiveIncomeFromDiscontinuedOperations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ComprehensiveIncomeFromDiscontinuedOperations" xlink:to="lab_acb_ComprehensiveIncomeFromDiscontinuedOperations" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InvestmentInAssociatesRelatedTemporaryDifferencesMember_c09e6c30-2579-4ed1-9768-42a5dca2e399_terseLabel_en-US" xlink:label="lab_acb_InvestmentInAssociatesRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investment in associates </link:label>
<link:label id="lab_acb_InvestmentInAssociatesRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_acb_InvestmentInAssociatesRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investment In Associates Related Temporary Differences [Member] </link:label>
<link:label id="lab_acb_InvestmentInAssociatesRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_acb_InvestmentInAssociatesRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investment In Associates Related Temporary Differences [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InvestmentInAssociatesRelatedTemporaryDifferencesMember" xlink:href="acb-20210630.xsd#acb_InvestmentInAssociatesRelatedTemporaryDifferencesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InvestmentInAssociatesRelatedTemporaryDifferencesMember" xlink:to="lab_acb_InvestmentInAssociatesRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment_2e2ce604-f95c-4845-8d31-3ec8e61e7c5a_terseLabel_en-US" xlink:label="lab_acb_IncreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Transferred from property, plant and equipment </link:label>
<link:label id="lab_acb_IncreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment_label_en-US" xlink:label="lab_acb_IncreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase Through Classified As Held For Sale Property Plant And Equipment </link:label>
<link:label id="lab_acb_IncreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_acb_IncreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase Through Classified As Held For Sale Property Plant And Equipment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment" xlink:href="acb-20210630.xsd#acb_IncreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment" xlink:to="lab_acb_IncreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_EarningsPerShareExplanatory_536b597f-7d8f-463d-bf13-e45c1907f381_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reconciliation of Basic and Diluted Loss Per Share </link:label>
<link:label id="lab_ifrs-full_EarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Earnings per share [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EarningsPerShareExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareExplanatory" xlink:to="lab_ifrs-full_EarningsPerShareExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity_68665754-3608-46f8-82bb-c3b4d3b5bd62_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise of warrants </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) through exercise of warrants, equity </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfWarrantsEquity" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ImpairmentLoss_be67ec0d-0a90-46e1-93fa-c31e5117ef5e_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment </link:label>
<link:label id="lab_ifrs-full_ImpairmentLoss_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment loss </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLoss" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ImpairmentLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLoss" xlink:to="lab_ifrs-full_ImpairmentLoss" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CashAndCashEquivalents1Member_25a59592-721e-4316-b283-58bafae3c1bf_terseLabel_en-US" xlink:label="lab_acb_CashAndCashEquivalents1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash and cash equivalents </link:label>
<link:label id="lab_acb_CashAndCashEquivalents1Member_label_en-US" xlink:label="lab_acb_CashAndCashEquivalents1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash And Cash Equivalents1 [Member] </link:label>
<link:label id="lab_acb_CashAndCashEquivalents1Member_documentation_en-US" xlink:label="lab_acb_CashAndCashEquivalents1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash And Cash Equivalents1 [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CashAndCashEquivalents1Member" xlink:href="acb-20210630.xsd#acb_CashAndCashEquivalents1Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CashAndCashEquivalents1Member" xlink:to="lab_acb_CashAndCashEquivalents1Member" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsTable_58493073-5b39-4af8-8e90-1f995158cb59_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of operating segments [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of operating segments [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_a0b5905b-9ffd-48c9-96b6-08dd1fa10b61_negatedLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Forfeited (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_b90997b0-fbee-4522-9c6d-abe57614d388_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Forfeited (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of share options forfeited in share-based payment arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems_277b91bb-42ed-495b-b834-89a57a44d9f1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of contingent liabilities [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of contingent liabilities [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfContingentLiabilitiesLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LettersOfCreditMember_bd092693-72d2-4570-886e-0fa363eb4737_terseLabel_en-US" xlink:label="lab_acb_LettersOfCreditMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Letters of Credit </link:label>
<link:label id="lab_acb_LettersOfCreditMember_label_en-US" xlink:label="lab_acb_LettersOfCreditMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Letters Of Credit [Member] </link:label>
<link:label id="lab_acb_LettersOfCreditMember_documentation_en-US" xlink:label="lab_acb_LettersOfCreditMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Letters Of Credit [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LettersOfCreditMember" xlink:href="acb-20210630.xsd#acb_LettersOfCreditMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LettersOfCreditMember" xlink:to="lab_acb_LettersOfCreditMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_6277b3fc-9fad-4824-b934-89f49f5dba48_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Subsequent Events </link:label>
<link:label id="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of events after reporting period [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_8bec25db-5304-4b11-9332-c5ad17c64f95_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Instruments Risk </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of financial risk management [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfFinancialRiskManagementExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_JointVenturesWhereEntityIsVenturerMember_b1ac3087-c711-485b-8d56-0d658c828c0d_terseLabel_en-US" xlink:label="lab_ifrs-full_JointVenturesWhereEntityIsVenturerMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Equipment loan receivable from joint venture </link:label>
<link:label id="lab_ifrs-full_JointVenturesWhereEntityIsVenturerMember_label_en-US" xlink:label="lab_ifrs-full_JointVenturesWhereEntityIsVenturerMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Joint ventures where entity is venturer [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_JointVenturesWhereEntityIsVenturerMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_JointVenturesWhereEntityIsVenturerMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_JointVenturesWhereEntityIsVenturerMember" xlink:to="lab_ifrs-full_JointVenturesWhereEntityIsVenturerMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_47db9cc1-b648-4553-a8d5-badff0e926fe_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of temporary difference, unused tax losses and unused tax credits [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of temporary difference, unused tax losses and unused tax credits [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DSUsandRSUsMember_6c5cc54c-dd72-4464-b7b9-9460d706a3b1_terseLabel_en-US" xlink:label="lab_acb_DSUsandRSUsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> DSUs and RSUs </link:label>
<link:label id="lab_acb_DSUsandRSUsMember_label_en-US" xlink:label="lab_acb_DSUsandRSUsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> DSUs and RSUs [Member] </link:label>
<link:label id="lab_acb_DSUsandRSUsMember_documentation_en-US" xlink:label="lab_acb_DSUsandRSUsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> DSUs and RSUs [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DSUsandRSUsMember" xlink:href="acb-20210630.xsd#acb_DSUsandRSUsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DSUsandRSUsMember" xlink:to="lab_acb_DSUsandRSUsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AccountingpoliciesaccountingestimatesanderrorsAbstract_9718a12b-c776-4339-a5d9-09874629ea9a_terseLabel_en-US" xlink:label="lab_acb_AccountingpoliciesaccountingestimatesanderrorsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounting policies, accounting estimates and errors [Abstract] </link:label>
<link:label id="lab_acb_AccountingpoliciesaccountingestimatesanderrorsAbstract_label_en-US" xlink:label="lab_acb_AccountingpoliciesaccountingestimatesanderrorsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounting policies, accounting estimates and errors [Abstract] </link:label>
<link:label id="lab_acb_AccountingpoliciesaccountingestimatesanderrorsAbstract_documentation_en-US" xlink:label="lab_acb_AccountingpoliciesaccountingestimatesanderrorsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounting policies, accounting estimates and errors [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AccountingpoliciesaccountingestimatesanderrorsAbstract" xlink:href="acb-20210630.xsd#acb_AccountingpoliciesaccountingestimatesanderrorsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AccountingpoliciesaccountingestimatesanderrorsAbstract" xlink:to="lab_acb_AccountingpoliciesaccountingestimatesanderrorsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesTable_687aa97a-1c95-40da-84e7-4056ed2af8fc_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of information about unconsolidated subsidiaries [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of information about unconsolidated subsidiaries [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesTable" xlink:to="lab_ifrs-full_DisclosureOfInformationAboutUnconsolidatedSubsidiariesTable" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfWarrantsExercised_ad738b6e-148d-4a84-a8fc-02f254f40bd8_terseLabel_en-US" xlink:label="lab_acb_NumberOfWarrantsExercised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants, exercised (in shares) </link:label>
<link:label id="lab_acb_NumberOfWarrantsExercised_f3de0bd0-0474-4a14-94dd-2d8fa0a9643d_negatedLabel_en-US" xlink:label="lab_acb_NumberOfWarrantsExercised" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants, exercised (in shares) </link:label>
<link:label id="lab_acb_NumberOfWarrantsExercised_label_en-US" xlink:label="lab_acb_NumberOfWarrantsExercised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Exercised </link:label>
<link:label id="lab_acb_NumberOfWarrantsExercised_documentation_en-US" xlink:label="lab_acb_NumberOfWarrantsExercised" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Exercised </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfWarrantsExercised" xlink:href="acb-20210630.xsd#acb_NumberOfWarrantsExercised"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfWarrantsExercised" xlink:to="lab_acb_NumberOfWarrantsExercised" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentLiabilitiesAbstract_b2b2acdb-047a-4cc9-8d9f-a029495f84bd_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current </link:label>
<link:label id="lab_ifrs-full_CurrentLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current liabilities [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentLiabilitiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="lab_ifrs-full_CurrentLiabilitiesAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DeemedCostOfInvestmentsForWhichDeemedCostIsFairValue_5b51128d-90d5-41f9-bb35-5756bc22538e_terseLabel_en-US" xlink:label="lab_ifrs-full_DeemedCostOfInvestmentsForWhichDeemedCostIsFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aggregate deemed cost of investments for which deemed cost is fair value </link:label>
<link:label id="lab_ifrs-full_DeemedCostOfInvestmentsForWhichDeemedCostIsFairValue_label_en-US" xlink:label="lab_ifrs-full_DeemedCostOfInvestmentsForWhichDeemedCostIsFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aggregate deemed cost of investments for which deemed cost is fair value </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeemedCostOfInvestmentsForWhichDeemedCostIsFairValue" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DeemedCostOfInvestmentsForWhichDeemedCostIsFairValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeemedCostOfInvestmentsForWhichDeemedCostIsFairValue" xlink:to="lab_ifrs-full_DeemedCostOfInvestmentsForWhichDeemedCostIsFairValue" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory_b525a4a3-6b9a-4211-98be-5dfbd24276ee_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Major Subsidiaries Over Which the Company Has Control </link:label>
<link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of subsidiaries [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProfitLossBeforeTax_98d22140-5889-455f-ba0c-ffae7991a06a_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss from operations before taxes and discontinued operations </link:label>
<link:label id="lab_ifrs-full_ProfitLossBeforeTax_c7ffb63d-46e7-48f5-828c-f3442c184eeb_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net loss before taxes and discontinued operations </link:label>
<link:label id="lab_ifrs-full_ProfitLossBeforeTax_label_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (loss) before tax </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossBeforeTax" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossBeforeTax"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossBeforeTax" xlink:to="lab_ifrs-full_ProfitLossBeforeTax" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LossContingencyDamagesSoughtValue_1f163fb2-ed56-4820-aa3c-def08a8438cc_terseLabel_en-US" xlink:label="lab_acb_LossContingencyDamagesSoughtValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Damages sought </link:label>
<link:label id="lab_acb_LossContingencyDamagesSoughtValue_label_en-US" xlink:label="lab_acb_LossContingencyDamagesSoughtValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss Contingency, Damages Sought, Value </link:label>
<link:label id="lab_acb_LossContingencyDamagesSoughtValue_documentation_en-US" xlink:label="lab_acb_LossContingencyDamagesSoughtValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss Contingency, Damages Sought, Value </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LossContingencyDamagesSoughtValue" xlink:href="acb-20210630.xsd#acb_LossContingencyDamagesSoughtValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LossContingencyDamagesSoughtValue" xlink:to="lab_acb_LossContingencyDamagesSoughtValue" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished_c650d061-69c6-4d49-9fc4-7fd7e2f57415_terseLabel_en-US" xlink:label="lab_ifrs-full_FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair value of investment in associates </link:label>
<link:label id="lab_ifrs-full_FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished_label_en-US" xlink:label="lab_ifrs-full_FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair value of investments in associates for which there are quoted market prices </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished" xlink:to="lab_ifrs-full_FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_MarketsOfCustomersAxis_3f69577b-bfc7-4170-9f98-e047a125d58e_terseLabel_en-US" xlink:label="lab_ifrs-full_MarketsOfCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Markets of customers [axis] </link:label>
<link:label id="lab_ifrs-full_MarketsOfCustomersAxis_label_en-US" xlink:label="lab_ifrs-full_MarketsOfCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Markets of customers [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MarketsOfCustomersAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_MarketsOfCustomersAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MarketsOfCustomersAxis" xlink:to="lab_ifrs-full_MarketsOfCustomersAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LossesOnMiscellaneousProvisions_903bc4f0-4d18-4475-8c27-bfa207e6e9b1_negatedTerseLabel_en-US" xlink:label="lab_acb_LossesOnMiscellaneousProvisions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Provisions </link:label>
<link:label id="lab_acb_LossesOnMiscellaneousProvisions_label_en-US" xlink:label="lab_acb_LossesOnMiscellaneousProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Losses On Miscellaneous Provisions </link:label>
<link:label id="lab_acb_LossesOnMiscellaneousProvisions_documentation_en-US" xlink:label="lab_acb_LossesOnMiscellaneousProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Losses On Miscellaneous Provisions </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LossesOnMiscellaneousProvisions" xlink:href="acb-20210630.xsd#acb_LossesOnMiscellaneousProvisions"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LossesOnMiscellaneousProvisions" xlink:to="lab_acb_LossesOnMiscellaneousProvisions" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RevenuefromcontractswithcustomersAbstract_a0f36ae1-c9ef-4a34-984c-aa326d82da65_terseLabel_en-US" xlink:label="lab_acb_RevenuefromcontractswithcustomersAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue from contracts with customers [Abstract] </link:label>
<link:label id="lab_acb_RevenuefromcontractswithcustomersAbstract_label_en-US" xlink:label="lab_acb_RevenuefromcontractswithcustomersAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue from contracts with customers [Abstract] </link:label>
<link:label id="lab_acb_RevenuefromcontractswithcustomersAbstract_documentation_en-US" xlink:label="lab_acb_RevenuefromcontractswithcustomersAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue from contracts with customers [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RevenuefromcontractswithcustomersAbstract" xlink:href="acb-20210630.xsd#acb_RevenuefromcontractswithcustomersAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RevenuefromcontractswithcustomersAbstract" xlink:to="lab_acb_RevenuefromcontractswithcustomersAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ConvertibleDebenturesMember_f2de5c70-ed2c-4247-9c71-81b861bf5e0b_terseLabel_en-US" xlink:label="lab_acb_ConvertibleDebenturesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible debentures </link:label>
<link:label id="lab_acb_ConvertibleDebenturesMember_label_en-US" xlink:label="lab_acb_ConvertibleDebenturesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Debentures [Member] </link:label>
<link:label id="lab_acb_ConvertibleDebenturesMember_documentation_en-US" xlink:label="lab_acb_ConvertibleDebenturesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Debentures [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ConvertibleDebenturesMember" xlink:href="acb-20210630.xsd#acb_ConvertibleDebenturesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ConvertibleDebenturesMember" xlink:to="lab_acb_ConvertibleDebenturesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfFacilitiesSold_bb9b3e87-e6d0-4451-a22a-7ebbfc6284a8_terseLabel_en-US" xlink:label="lab_acb_NumberOfFacilitiesSold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of production facilities sold </link:label>
<link:label id="lab_acb_NumberOfFacilitiesSold_label_en-US" xlink:label="lab_acb_NumberOfFacilitiesSold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Facilities Sold </link:label>
<link:label id="lab_acb_NumberOfFacilitiesSold_documentation_en-US" xlink:label="lab_acb_NumberOfFacilitiesSold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Facilities Sold </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfFacilitiesSold" xlink:href="acb-20210630.xsd#acb_NumberOfFacilitiesSold"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfFacilitiesSold" xlink:to="lab_acb_NumberOfFacilitiesSold" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract_aa37e59c-1460-4c84-87bd-f88df21060fb_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other comprehensive (loss) income (“OCI”) that will not be reclassified to net loss </link:label>
<link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:to="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ValueOfSharesReleasedForEarnOutPayments_9c30e4c8-ae52-4854-9dad-bab7a66927c9_terseLabel_en-US" xlink:label="lab_acb_ValueOfSharesReleasedForEarnOutPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shares released for earn out payments </link:label>
<link:label id="lab_acb_ValueOfSharesReleasedForEarnOutPayments_label_en-US" xlink:label="lab_acb_ValueOfSharesReleasedForEarnOutPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Value Of Shares Released For Earn Out Payments </link:label>
<link:label id="lab_acb_ValueOfSharesReleasedForEarnOutPayments_documentation_en-US" xlink:label="lab_acb_ValueOfSharesReleasedForEarnOutPayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Value Of Shares Released For Earn Out Payments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ValueOfSharesReleasedForEarnOutPayments" xlink:href="acb-20210630.xsd#acb_ValueOfSharesReleasedForEarnOutPayments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ValueOfSharesReleasedForEarnOutPayments" xlink:to="lab_acb_ValueOfSharesReleasedForEarnOutPayments" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsUnrealizedGainOnForeignExchange_71c0ae32-f941-447a-928b-795a8e75ae32_terseLabel_en-US" xlink:label="lab_acb_BorrowingsUnrealizedGainOnForeignExchange" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized gain on foreign exchange </link:label>
<link:label id="lab_acb_BorrowingsUnrealizedGainOnForeignExchange_label_en-US" xlink:label="lab_acb_BorrowingsUnrealizedGainOnForeignExchange" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Unrealized Gain On Foreign Exchange </link:label>
<link:label id="lab_acb_BorrowingsUnrealizedGainOnForeignExchange_documentation_en-US" xlink:label="lab_acb_BorrowingsUnrealizedGainOnForeignExchange" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Unrealized Gain On Foreign Exchange </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsUnrealizedGainOnForeignExchange" xlink:href="acb-20210630.xsd#acb_BorrowingsUnrealizedGainOnForeignExchange"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsUnrealizedGainOnForeignExchange" xlink:to="lab_acb_BorrowingsUnrealizedGainOnForeignExchange" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl_b7bf52b0-1578-4f72-8c98-013235be0a1c_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Change in ownership interests in subsidiaries </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl_59081049-4b78-444a-9c47-226ba47cd5fa_verboseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Change in ownership interest </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RightofuseAssetsMember_4a61dd6e-9700-487a-9d70-a423d6de61bd_terseLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Right-of-use lease assets </link:label>
<link:label id="lab_ifrs-full_RightofuseAssetsMember_label_en-US" xlink:label="lab_ifrs-full_RightofuseAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Right-of-use assets [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RightofuseAssetsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RightofuseAssetsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RightofuseAssetsMember" xlink:to="lab_ifrs-full_RightofuseAssetsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_WeightedAverageExercisePriceOfWarrantsExercised_8b5ee953-3902-409c-a1a9-6cc1bc6f608c_terseLabel_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfWarrantsExercised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average exercise price, exercised (in CAD per share) </link:label>
<link:label id="lab_acb_WeightedAverageExercisePriceOfWarrantsExercised_label_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfWarrantsExercised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Exercise Price Of Warrants Exercised </link:label>
<link:label id="lab_acb_WeightedAverageExercisePriceOfWarrantsExercised_documentation_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfWarrantsExercised" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Exercise Price Of Warrants Exercised </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_WeightedAverageExercisePriceOfWarrantsExercised" xlink:href="acb-20210630.xsd#acb_WeightedAverageExercisePriceOfWarrantsExercised"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_WeightedAverageExercisePriceOfWarrantsExercised" xlink:to="lab_acb_WeightedAverageExercisePriceOfWarrantsExercised" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember_a035ed63-c2df-4fd9-8822-e57a2cf2a311_terseLabel_en-US" xlink:label="lab_acb_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, plant, and equipment </link:label>
<link:label id="lab_acb_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_acb_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, Plant, And Equipment Related Temporary Differences [Member] </link:label>
<link:label id="lab_acb_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_acb_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, Plant, And Equipment Related Temporary Differences [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember" xlink:href="acb-20210630.xsd#acb_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember" xlink:to="lab_acb_PropertyPlantAndEquipmentRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation_154ee5c3-4b24-4b3d-8203-8d15ef929c53_negatedLabel_en-US" xlink:label="lab_ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss on disposal of discontinued operations </link:label>
<link:label id="lab_ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation_9f1485f8-a4d4-4486-8b61-0a8b0431a64e_terseLabel_en-US" xlink:label="lab_ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss on disposal of discontinued operations </link:label>
<link:label id="lab_ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation_label_en-US" xlink:label="lab_ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain (loss) recognised on measurement to fair value less costs to sell or on disposal of assets or disposal groups constituting discontinued operation </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation" xlink:to="lab_ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_WeightedAverageShares_16367ab4-558f-4707-b25b-0e3265d32979_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average number of common shares outstanding (in shares) </link:label>
<link:label id="lab_ifrs-full_WeightedAverageShares_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average number of ordinary shares outstanding </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageShares" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_WeightedAverageShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageShares" xlink:to="lab_ifrs-full_WeightedAverageShares" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InterestsinotherentitiesAbstract_42da0be9-1739-4232-86e8-be47a26d1a61_terseLabel_en-US" xlink:label="lab_acb_InterestsinotherentitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interests in other entities [Abstract] </link:label>
<link:label id="lab_acb_InterestsinotherentitiesAbstract_label_en-US" xlink:label="lab_acb_InterestsinotherentitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interests in other entities [Abstract] </link:label>
<link:label id="lab_acb_InterestsinotherentitiesAbstract_documentation_en-US" xlink:label="lab_acb_InterestsinotherentitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interests in other entities [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InterestsinotherentitiesAbstract" xlink:href="acb-20210630.xsd#acb_InterestsinotherentitiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InterestsinotherentitiesAbstract" xlink:to="lab_acb_InterestsinotherentitiesAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExcludingProceedsFromDisposal_64faf3ab-3622-4d44-818d-6595fc1ce441_terseLabel_en-US" xlink:label="lab_acb_NonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExcludingProceedsFromDisposal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair value less costs of disposal </link:label>
<link:label id="lab_acb_NonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExcludingProceedsFromDisposal_label_en-US" xlink:label="lab_acb_NonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExcludingProceedsFromDisposal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-Current Assets Or Disposal Groups Classified As Held For Sale, Excluding Proceeds From Disposal </link:label>
<link:label id="lab_acb_NonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExcludingProceedsFromDisposal_documentation_en-US" xlink:label="lab_acb_NonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExcludingProceedsFromDisposal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-Current Assets Or Disposal Groups Classified As Held For Sale, Excluding Proceeds From Disposal </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExcludingProceedsFromDisposal" xlink:href="acb-20210630.xsd#acb_NonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExcludingProceedsFromDisposal"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExcludingProceedsFromDisposal" xlink:to="lab_acb_NonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExcludingProceedsFromDisposal" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis_61e77d2d-c3b9-4950-aedd-8ff8577063ed_terseLabel_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash-generating units [axis] </link:label>
<link:label id="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis_label_en-US" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash-generating units [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:to="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AccountsReceivableExcludingTaxesReceivableMember_7183dc6b-cc14-4494-8dba-929099111b38_terseLabel_en-US" xlink:label="lab_acb_AccountsReceivableExcludingTaxesReceivableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts receivable, excluding sales taxes receivable </link:label>
<link:label id="lab_acb_AccountsReceivableExcludingTaxesReceivableMember_label_en-US" xlink:label="lab_acb_AccountsReceivableExcludingTaxesReceivableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts Receivable Excluding Taxes Receivable [Member] </link:label>
<link:label id="lab_acb_AccountsReceivableExcludingTaxesReceivableMember_documentation_en-US" xlink:label="lab_acb_AccountsReceivableExcludingTaxesReceivableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts Receivable Excluding Taxes Receivable [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AccountsReceivableExcludingTaxesReceivableMember" xlink:href="acb-20210630.xsd#acb_AccountsReceivableExcludingTaxesReceivableMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AccountsReceivableExcludingTaxesReceivableMember" xlink:to="lab_acb_AccountsReceivableExcludingTaxesReceivableMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares_b41b58fd-ca9b-4dc7-bc7b-9044a905d9ec_terseLabel_en-US" xlink:label="lab_ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of shares reserved for issuance (in shares) </link:label>
<link:label id="lab_ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares_label_en-US" xlink:label="lab_ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of shares reserved for issue under options and contracts for sale of shares </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares" xlink:to="lab_ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_UnusedTaxLossesMember_762e550f-20c6-4eae-9b71-d0c17cd9e3bb_terseLabel_en-US" xlink:label="lab_ifrs-full_UnusedTaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income tax loss carryforwards </link:label>
<link:label id="lab_ifrs-full_UnusedTaxLossesMember_label_en-US" xlink:label="lab_ifrs-full_UnusedTaxLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unused tax losses [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnusedTaxLossesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_UnusedTaxLossesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnusedTaxLossesMember" xlink:to="lab_ifrs-full_UnusedTaxLossesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits_4d2ac73a-c2b2-48f5-be77-2ef884114901_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Termination benefit </link:label>
<link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Key management personnel compensation, termination benefits </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationTerminationBenefits" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AdjustmentsForDecreaseIncreaseInPrepaidAndOtherCurrentAssets_4d4c2531-cc6c-4b9f-8981-84a0af994cc6_terseLabel_en-US" xlink:label="lab_acb_AdjustmentsForDecreaseIncreaseInPrepaidAndOtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Prepaid and other current assets </link:label>
<link:label id="lab_acb_AdjustmentsForDecreaseIncreaseInPrepaidAndOtherCurrentAssets_label_en-US" xlink:label="lab_acb_AdjustmentsForDecreaseIncreaseInPrepaidAndOtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments For Decrease (Increase) In Prepaid And Other Current Assets </link:label>
<link:label id="lab_acb_AdjustmentsForDecreaseIncreaseInPrepaidAndOtherCurrentAssets_documentation_en-US" xlink:label="lab_acb_AdjustmentsForDecreaseIncreaseInPrepaidAndOtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments For Decrease (Increase) In Prepaid And Other Current Assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AdjustmentsForDecreaseIncreaseInPrepaidAndOtherCurrentAssets" xlink:href="acb-20210630.xsd#acb_AdjustmentsForDecreaseIncreaseInPrepaidAndOtherCurrentAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AdjustmentsForDecreaseIncreaseInPrepaidAndOtherCurrentAssets" xlink:to="lab_acb_AdjustmentsForDecreaseIncreaseInPrepaidAndOtherCurrentAssets" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_de599a25-98d6-449f-8392-a583e79ec608_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of temporary difference, unused tax losses and unused tax credits [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of temporary difference, unused tax losses and unused tax credits [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_WorkInProgress_b1dbae87-1372-455d-9b8a-4215527de5ff_terseLabel_en-US" xlink:label="lab_ifrs-full_WorkInProgress" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Work-in-process </link:label>
<link:label id="lab_ifrs-full_WorkInProgress_label_en-US" xlink:label="lab_ifrs-full_WorkInProgress" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current work in progress </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WorkInProgress" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_WorkInProgress"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WorkInProgress" xlink:to="lab_ifrs-full_WorkInProgress" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_MaterialReconcilingItemsMember_6662a9fc-92f0-4ecc-aecd-ba54ec4ec19c_terseLabel_en-US" xlink:label="lab_ifrs-full_MaterialReconcilingItemsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Corporate </link:label>
<link:label id="lab_ifrs-full_MaterialReconcilingItemsMember_label_en-US" xlink:label="lab_ifrs-full_MaterialReconcilingItemsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Material reconciling items [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaterialReconcilingItemsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_MaterialReconcilingItemsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaterialReconcilingItemsMember" xlink:to="lab_ifrs-full_MaterialReconcilingItemsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_InterestReceivable_b70d533e-5cae-4364-a2d2-4f9c617ed6eb_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest receivable </link:label>
<link:label id="lab_ifrs-full_InterestReceivable_label_en-US" xlink:label="lab_ifrs-full_InterestReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest receivable </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestReceivable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestReceivable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestReceivable" xlink:to="lab_ifrs-full_InterestReceivable" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfSharesSold_a72350ab-95b6-451d-9a30-b45cd8e3f565_terseLabel_en-US" xlink:label="lab_acb_NumberOfSharesSold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of shares sold (in shares) </link:label>
<link:label id="lab_acb_NumberOfSharesSold_label_en-US" xlink:label="lab_acb_NumberOfSharesSold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Sold </link:label>
<link:label id="lab_acb_NumberOfSharesSold_documentation_en-US" xlink:label="lab_acb_NumberOfSharesSold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Sold </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfSharesSold" xlink:href="acb-20210630.xsd#acb_NumberOfSharesSold"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfSharesSold" xlink:to="lab_acb_NumberOfSharesSold" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_ac713204-1054-4f6d-a96e-f8d834ae0ee9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of associates [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of associates [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PropertyPlantAndEquipmentByNameDomain_7fa95963-6be2-4236-ba1b-a5a3bcaf075a_terseLabel_en-US" xlink:label="lab_acb_PropertyPlantAndEquipmentByNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, plant and equipment by name [Domain] </link:label>
<link:label id="lab_acb_PropertyPlantAndEquipmentByNameDomain_label_en-US" xlink:label="lab_acb_PropertyPlantAndEquipmentByNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, Plant And Equipment By Name [Domain] </link:label>
<link:label id="lab_acb_PropertyPlantAndEquipmentByNameDomain_documentation_en-US" xlink:label="lab_acb_PropertyPlantAndEquipmentByNameDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> [Domain] for Property, Plant And Equipment By Name [Axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PropertyPlantAndEquipmentByNameDomain" xlink:href="acb-20210630.xsd#acb_PropertyPlantAndEquipmentByNameDomain"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PropertyPlantAndEquipmentByNameDomain" xlink:to="lab_acb_PropertyPlantAndEquipmentByNameDomain" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations_70be7bbd-47fa-4dde-b980-398ed3e24ae4_verboseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net cash used in financing activities from discontinued operations </link:label>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash flows from (used in) financing activities, discontinued operations </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsByNameAxis_23671298-7ec2-49bd-acf7-743ed4208168_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets by Name [Axis] </link:label>
<link:label id="lab_acb_FinancialAssetsByNameAxis_label_en-US" xlink:label="lab_acb_FinancialAssetsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets By Name [Axis] </link:label>
<link:label id="lab_acb_FinancialAssetsByNameAxis_documentation_en-US" xlink:label="lab_acb_FinancialAssetsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets By Name </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsByNameAxis" xlink:href="acb-20210630.xsd#acb_FinancialAssetsByNameAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsByNameAxis" xlink:to="lab_acb_FinancialAssetsByNameAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LoansReceivableMember_9bd43687-d260-4b2d-8ec0-db0e7f243575_terseLabel_en-US" xlink:label="lab_acb_LoansReceivableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loan receivable </link:label>
<link:label id="lab_acb_LoansReceivableMember_label_en-US" xlink:label="lab_acb_LoansReceivableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loans Receivable [Member] </link:label>
<link:label id="lab_acb_LoansReceivableMember_documentation_en-US" xlink:label="lab_acb_LoansReceivableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loans Receivable [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LoansReceivableMember" xlink:href="acb-20210630.xsd#acb_LoansReceivableMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LoansReceivableMember" xlink:to="lab_acb_LoansReceivableMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems_87d2524b-b0d7-4ab4-8749-f0366750929b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:to="lab_ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_e6aea911-1e94-4355-bffc-53a7dbefc1fa_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net cash used in operating activities </link:label>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_f83281c4-1be0-4774-873f-98b859010e22_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net cash used in operating activities </link:label>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash flows from (used in) operating activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialinstrumentsAbstract_7d9fdae6-d3ef-4ba9-a69f-bd8ad4c8feec_terseLabel_en-US" xlink:label="lab_acb_FinancialinstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial instruments [Abstract] </link:label>
<link:label id="lab_acb_FinancialinstrumentsAbstract_label_en-US" xlink:label="lab_acb_FinancialinstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial instruments [Abstract] </link:label>
<link:label id="lab_acb_FinancialinstrumentsAbstract_documentation_en-US" xlink:label="lab_acb_FinancialinstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial instruments [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialinstrumentsAbstract" xlink:href="acb-20210630.xsd#acb_FinancialinstrumentsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialinstrumentsAbstract" xlink:to="lab_acb_FinancialinstrumentsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ConvertibleDebentureMember_134ee33a-fd09-4278-b3ff-86749c23ec20_terseLabel_en-US" xlink:label="lab_acb_ConvertibleDebentureMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible debenture </link:label>
<link:label id="lab_acb_ConvertibleDebentureMember_label_en-US" xlink:label="lab_acb_ConvertibleDebentureMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Debenture [Member] </link:label>
<link:label id="lab_acb_ConvertibleDebentureMember_documentation_en-US" xlink:label="lab_acb_ConvertibleDebentureMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Debenture [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ConvertibleDebentureMember" xlink:href="acb-20210630.xsd#acb_ConvertibleDebentureMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ConvertibleDebentureMember" xlink:to="lab_acb_ConvertibleDebentureMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_MilestonePaymentsContingentLiabilitiesMember_2e1f742b-0429-4362-be9f-d65ad94059f2_terseLabel_en-US" xlink:label="lab_acb_MilestonePaymentsContingentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Milestone Payments Contingent Liabilities </link:label>
<link:label id="lab_acb_MilestonePaymentsContingentLiabilitiesMember_label_en-US" xlink:label="lab_acb_MilestonePaymentsContingentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Milestone Payments Contingent Liabilities [Member] </link:label>
<link:label id="lab_acb_MilestonePaymentsContingentLiabilitiesMember_documentation_en-US" xlink:label="lab_acb_MilestonePaymentsContingentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Milestone Payments Contingent Liabilities [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_MilestonePaymentsContingentLiabilitiesMember" xlink:href="acb-20210630.xsd#acb_MilestonePaymentsContingentLiabilitiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_MilestonePaymentsContingentLiabilitiesMember" xlink:to="lab_acb_MilestonePaymentsContingentLiabilitiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisposalsIntangibleAssetsAndGoodwill_5e27322d-a655-4b4b-ba24-5f976d5c1175_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DisposalsIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disposals </link:label>
<link:label id="lab_ifrs-full_DisposalsIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_DisposalsIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disposals, intangible assets and goodwill </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisposalsIntangibleAssetsAndGoodwill" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisposalsIntangibleAssetsAndGoodwill"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisposalsIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_DisposalsIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
<link:label id="lab_acb_SeriesBPreferenceSharesMember_ed952148-0665-45ed-902d-1fe54ed60e6d_terseLabel_en-US" xlink:label="lab_acb_SeriesBPreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Series B Preference Shares </link:label>
<link:label id="lab_acb_SeriesBPreferenceSharesMember_label_en-US" xlink:label="lab_acb_SeriesBPreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Series B Preference Shares [Member] </link:label>
<link:label id="lab_acb_SeriesBPreferenceSharesMember_documentation_en-US" xlink:label="lab_acb_SeriesBPreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Series B Preference Shares </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_SeriesBPreferenceSharesMember" xlink:href="acb-20210630.xsd#acb_SeriesBPreferenceSharesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_SeriesBPreferenceSharesMember" xlink:to="lab_acb_SeriesBPreferenceSharesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ForfeitureRateShareOptionsGranted_b24dc75d-25e6-42a5-84cd-ccbdb5e7fb66_terseLabel_en-US" xlink:label="lab_acb_ForfeitureRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Forfeiture rate </link:label>
<link:label id="lab_acb_ForfeitureRateShareOptionsGranted_label_en-US" xlink:label="lab_acb_ForfeitureRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Forfeiture Rate, Share Options Granted </link:label>
<link:label id="lab_acb_ForfeitureRateShareOptionsGranted_documentation_en-US" xlink:label="lab_acb_ForfeitureRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Forfeiture Rate, Share Options Granted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ForfeitureRateShareOptionsGranted" xlink:href="acb-20210630.xsd#acb_ForfeitureRateShareOptionsGranted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ForfeitureRateShareOptionsGranted" xlink:to="lab_acb_ForfeitureRateShareOptionsGranted" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory_502d2baa-d298-4861-b87e-9d0dfa962a5c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of Warrant Derivative Liabilities </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of financial liabilities [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment_d52af10b-51d0-4702-a8af-f387cab57932_terseLabel_en-US" xlink:label="lab_ifrs-full_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Transfer of land and real estate to held for sale </link:label>
<link:label id="lab_ifrs-full_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Decrease through classified as held for sale, property, plant and equipment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment" xlink:to="lab_ifrs-full_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfSharesIssuedThroughConversionOfConvertibleInstruments_655286c3-c119-47f4-8da2-469a5229a549_terseLabel_en-US" xlink:label="lab_acb_NumberOfSharesIssuedThroughConversionOfConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion of convertible debentures (in shares) </link:label>
<link:label id="lab_acb_NumberOfSharesIssuedThroughConversionOfConvertibleInstruments_label_en-US" xlink:label="lab_acb_NumberOfSharesIssuedThroughConversionOfConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Issued Through Conversion Of Convertible Instruments </link:label>
<link:label id="lab_acb_NumberOfSharesIssuedThroughConversionOfConvertibleInstruments_documentation_en-US" xlink:label="lab_acb_NumberOfSharesIssuedThroughConversionOfConvertibleInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Issued Through Conversion Of Convertible Instruments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfSharesIssuedThroughConversionOfConvertibleInstruments" xlink:href="acb-20210630.xsd#acb_NumberOfSharesIssuedThroughConversionOfConvertibleInstruments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfSharesIssuedThroughConversionOfConvertibleInstruments" xlink:to="lab_acb_NumberOfSharesIssuedThroughConversionOfConvertibleInstruments" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LossesOnLitigationSettlements_094c9183-7e7f-4eaa-87b6-230b8d0e646a_terseLabel_en-US" xlink:label="lab_ifrs-full_LossesOnLitigationSettlements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Losses on litigation settlements </link:label>
<link:label id="lab_ifrs-full_LossesOnLitigationSettlements_label_en-US" xlink:label="lab_ifrs-full_LossesOnLitigationSettlements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Losses on litigation settlements </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LossesOnLitigationSettlements" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LossesOnLitigationSettlements"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LossesOnLitigationSettlements" xlink:to="lab_ifrs-full_LossesOnLitigationSettlements" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DeferredIncome_78535ceb-bf8e-40ae-80d2-7693863faada_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred revenue </link:label>
<link:label id="lab_ifrs-full_DeferredIncome_label_en-US" xlink:label="lab_ifrs-full_DeferredIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred income </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredIncome" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DeferredIncome"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredIncome" xlink:to="lab_ifrs-full_DeferredIncome" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CashOutflowForLeases_641138ce-60db-47f6-8205-ac4ec9291f94_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CashOutflowForLeases" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease payments </link:label>
<link:label id="lab_ifrs-full_CashOutflowForLeases_label_en-US" xlink:label="lab_ifrs-full_CashOutflowForLeases" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash outflow for leases </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashOutflowForLeases" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashOutflowForLeases"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashOutflowForLeases" xlink:to="lab_ifrs-full_CashOutflowForLeases" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_2e08def9-4634-4590-b97f-61e0924d47b6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Related Party Transactions </link:label>
<link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of related party [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfRelatedPartyExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsRollForward_797b9568-debb-463a-afb9-458f7a3f659b_terseLabel_en-US" xlink:label="lab_acb_BorrowingsRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings [Roll Forward] </link:label>
<link:label id="lab_acb_BorrowingsRollForward_label_en-US" xlink:label="lab_acb_BorrowingsRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings [Roll Forward] </link:label>
<link:label id="lab_acb_BorrowingsRollForward_documentation_en-US" xlink:label="lab_acb_BorrowingsRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings [Roll Forward] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsRollForward" xlink:href="acb-20210630.xsd#acb_BorrowingsRollForward"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsRollForward" xlink:to="lab_acb_BorrowingsRollForward" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_a7d225c1-527b-4fb3-a7d5-7ea050571814_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share-based compensation </link:label>
<link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Key management personnel compensation, share-based payment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems_27557f67-0b1a-4291-913a-c3ff9222053c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about intangible assets [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about intangible assets [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfIntangibleAssetsLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RadientTechnologiesInc.Member_6418285f-6769-44ff-8067-adcb217c8eca_verboseLabel_en-US" xlink:label="lab_acb_RadientTechnologiesInc.Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Radient </link:label>
<link:label id="lab_acb_RadientTechnologiesInc.Member_0aaa5f8f-5fae-41e8-86b8-0d66176c285a_terseLabel_en-US" xlink:label="lab_acb_RadientTechnologiesInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Radient </link:label>
<link:label id="lab_acb_RadientTechnologiesInc.Member_label_en-US" xlink:label="lab_acb_RadientTechnologiesInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Radient Technologies, Inc. [Member] </link:label>
<link:label id="lab_acb_RadientTechnologiesInc.Member_documentation_en-US" xlink:label="lab_acb_RadientTechnologiesInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Radient Technologies, Inc. [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RadientTechnologiesInc.Member" xlink:href="acb-20210630.xsd#acb_RadientTechnologiesInc.Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RadientTechnologiesInc.Member" xlink:to="lab_acb_RadientTechnologiesInc.Member" xlink:type="arc" order="1"/>
<link:label id="lab_acb_WeightedAverageExercisePriceOfOtherEquityInstrumentsAbstract_cefb56f2-827b-4e28-8801-204088dee817_terseLabel_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfOtherEquityInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Issue Price of RSUs and DSUs ($) </link:label>
<link:label id="lab_acb_WeightedAverageExercisePriceOfOtherEquityInstrumentsAbstract_label_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfOtherEquityInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Exercise Price Of Other Equity Instruments [Abstract] </link:label>
<link:label id="lab_acb_WeightedAverageExercisePriceOfOtherEquityInstrumentsAbstract_documentation_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfOtherEquityInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Exercise Price Of Other Equity Instruments [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_WeightedAverageExercisePriceOfOtherEquityInstrumentsAbstract" xlink:href="acb-20210630.xsd#acb_WeightedAverageExercisePriceOfOtherEquityInstrumentsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_WeightedAverageExercisePriceOfOtherEquityInstrumentsAbstract" xlink:to="lab_acb_WeightedAverageExercisePriceOfOtherEquityInstrumentsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PaymentForInterestPreviouslyIncurredOnConvertibleBorrowings_f1e514de-1481-48b1-b0d6-c5df061a3059_terseLabel_en-US" xlink:label="lab_acb_PaymentForInterestPreviouslyIncurredOnConvertibleBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payment for interest previously incurred on convertible borrowings </link:label>
<link:label id="lab_acb_PaymentForInterestPreviouslyIncurredOnConvertibleBorrowings_label_en-US" xlink:label="lab_acb_PaymentForInterestPreviouslyIncurredOnConvertibleBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payment For Interest Previously Incurred On Convertible Borrowings </link:label>
<link:label id="lab_acb_PaymentForInterestPreviouslyIncurredOnConvertibleBorrowings_documentation_en-US" xlink:label="lab_acb_PaymentForInterestPreviouslyIncurredOnConvertibleBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payment For Interest Previously Incurred On Convertible Borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PaymentForInterestPreviouslyIncurredOnConvertibleBorrowings" xlink:href="acb-20210630.xsd#acb_PaymentForInterestPreviouslyIncurredOnConvertibleBorrowings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PaymentForInterestPreviouslyIncurredOnConvertibleBorrowings" xlink:to="lab_acb_PaymentForInterestPreviouslyIncurredOnConvertibleBorrowings" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfCommonSharesPerWarrantRatio_ad2c01db-060b-47b6-8329-78985f6d9b33_terseLabel_en-US" xlink:label="lab_acb_NumberOfCommonSharesPerWarrantRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of common shares per warrant (in shares) </link:label>
<link:label id="lab_acb_NumberOfCommonSharesPerWarrantRatio_label_en-US" xlink:label="lab_acb_NumberOfCommonSharesPerWarrantRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Common Shares Per Warrant, Ratio </link:label>
<link:label id="lab_acb_NumberOfCommonSharesPerWarrantRatio_documentation_en-US" xlink:label="lab_acb_NumberOfCommonSharesPerWarrantRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Common Shares Per Warrant, Ratio </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfCommonSharesPerWarrantRatio" xlink:href="acb-20210630.xsd#acb_NumberOfCommonSharesPerWarrantRatio"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfCommonSharesPerWarrantRatio" xlink:to="lab_acb_NumberOfCommonSharesPerWarrantRatio" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OtherCurrentReceivables_a04226fd-5d87-4e38-8b22-3b2f5de716e3_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other receivables </link:label>
<link:label id="lab_ifrs-full_OtherCurrentReceivables_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other current receivables </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentReceivables" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherCurrentReceivables"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentReceivables" xlink:to="lab_ifrs-full_OtherCurrentReceivables" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_6fe9f384-8220-4a40-a871-ad3d7eab1273_totalLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total </link:label>
<link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_0d40cf8a-9fc2-4e2c-a005-8e3b31f8fd58_periodStartLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net book value, beginning balance </link:label>
<link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_f3f9e17c-3bf7-4cef-9edd-614e0f249c41_periodEndLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net book value, ending balance </link:label>
<link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets and goodwill </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsAndGoodwill"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract_0c0a62d2-f537-4852-b9f8-c35e69fecc54_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for non-cash items: </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments to reconcile profit (loss) [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForReconcileProfitLossAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:to="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_36d0cd84-a67d-4b4f-9ae5-314f72679cfe_totalLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) in cash and cash equivalents </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) in cash and cash equivalents </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsConversionPercentConverted_b8f4c4f9-5fdc-4887-a247-2e3b02f178cf_terseLabel_en-US" xlink:label="lab_acb_BorrowingsConversionPercentConverted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion of notes, percent converted </link:label>
<link:label id="lab_acb_BorrowingsConversionPercentConverted_label_en-US" xlink:label="lab_acb_BorrowingsConversionPercentConverted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings Conversion, Percent Converted </link:label>
<link:label id="lab_acb_BorrowingsConversionPercentConverted_documentation_en-US" xlink:label="lab_acb_BorrowingsConversionPercentConverted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings Conversion, Percent Converted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsConversionPercentConverted" xlink:href="acb-20210630.xsd#acb_BorrowingsConversionPercentConverted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsConversionPercentConverted" xlink:to="lab_acb_BorrowingsConversionPercentConverted" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_166bba6b-2809-4749-9309-32825eb52e40_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Temporary difference, unused tax losses and unused tax credits [axis] </link:label>
<link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Temporary difference, unused tax losses and unused tax credits [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:to="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NoncontrollingInterests_08b31375-47cc-40ee-bb94-530552144718_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-controlling interests </link:label>
<link:label id="lab_ifrs-full_NoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-controlling interests </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterests" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncontrollingInterests"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncontrollingInterests" xlink:to="lab_ifrs-full_NoncontrollingInterests" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RestructuringTypeAxis_c81ff79a-6c33-4505-893e-28c57a754175_terseLabel_en-US" xlink:label="lab_acb_RestructuringTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Type [Axis] </link:label>
<link:label id="lab_acb_RestructuringTypeAxis_label_en-US" xlink:label="lab_acb_RestructuringTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Type [Axis] </link:label>
<link:label id="lab_acb_RestructuringTypeAxis_documentation_en-US" xlink:label="lab_acb_RestructuringTypeAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Type </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RestructuringTypeAxis" xlink:href="acb-20210630.xsd#acb_RestructuringTypeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RestructuringTypeAxis" xlink:to="lab_acb_RestructuringTypeAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory_9de265b3-e7f9-478d-a593-247664986293_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Basis of Consolidation </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for subsidiaries [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForSubsidiariesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AggregatedTimeBandsMember_6515e663-5038-4752-99b4-262773341641_terseLabel_en-US" xlink:label="lab_ifrs-full_AggregatedTimeBandsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aggregated time bands [member] </link:label>
<link:label id="lab_ifrs-full_AggregatedTimeBandsMember_label_en-US" xlink:label="lab_ifrs-full_AggregatedTimeBandsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aggregated time bands [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AggregatedTimeBandsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AggregatedTimeBandsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AggregatedTimeBandsMember" xlink:to="lab_ifrs-full_AggregatedTimeBandsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RevolvingCreditFacilityMember_61971f6e-5ac8-4912-9711-f529459f2e97_terseLabel_en-US" xlink:label="lab_acb_RevolvingCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revolving credit facility </link:label>
<link:label id="lab_acb_RevolvingCreditFacilityMember_label_en-US" xlink:label="lab_acb_RevolvingCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revolving Credit Facility [Member] </link:label>
<link:label id="lab_acb_RevolvingCreditFacilityMember_documentation_en-US" xlink:label="lab_acb_RevolvingCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revolving Credit Facility [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RevolvingCreditFacilityMember" xlink:href="acb-20210630.xsd#acb_RevolvingCreditFacilityMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RevolvingCreditFacilityMember" xlink:to="lab_acb_RevolvingCreditFacilityMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NotLaterThan60DaysMember_9ee8c802-8e26-411b-b070-a3e6a736a615_terseLabel_en-US" xlink:label="lab_acb_NotLaterThan60DaysMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 0 – 60 days </link:label>
<link:label id="lab_acb_NotLaterThan60DaysMember_label_en-US" xlink:label="lab_acb_NotLaterThan60DaysMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Not Later Than 60 Days [Member] </link:label>
<link:label id="lab_acb_NotLaterThan60DaysMember_documentation_en-US" xlink:label="lab_acb_NotLaterThan60DaysMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Not Later Than 60 Days [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NotLaterThan60DaysMember" xlink:href="acb-20210630.xsd#acb_NotLaterThan60DaysMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NotLaterThan60DaysMember" xlink:to="lab_acb_NotLaterThan60DaysMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable_99b6fa37-ead4-4c95-a351-9fbd14382a77_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of number and weighted average remaining contractual life of outstanding share options [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of number and weighted average remaining contractual life of outstanding share options [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable" xlink:to="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ProceedsFromLeaseInducements_07b27572-df32-406a-a41f-ac04fdf3a1dd_terseLabel_en-US" xlink:label="lab_acb_ProceedsFromLeaseInducements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from lease inducements </link:label>
<link:label id="lab_acb_ProceedsFromLeaseInducements_label_en-US" xlink:label="lab_acb_ProceedsFromLeaseInducements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds From Lease Inducements </link:label>
<link:label id="lab_acb_ProceedsFromLeaseInducements_documentation_en-US" xlink:label="lab_acb_ProceedsFromLeaseInducements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds From Lease Inducements </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ProceedsFromLeaseInducements" xlink:href="acb-20210630.xsd#acb_ProceedsFromLeaseInducements"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ProceedsFromLeaseInducements" xlink:to="lab_acb_ProceedsFromLeaseInducements" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsCovenantMaximumAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment_6843ef3a-06b1-4f75-a3b2-e5ec6df78aef_terseLabel_en-US" xlink:label="lab_acb_BorrowingsCovenantMaximumAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Maximum amount of net proceeds from sale of facilities to be used for repayment </link:label>
<link:label id="lab_acb_BorrowingsCovenantMaximumAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment_label_en-US" xlink:label="lab_acb_BorrowingsCovenantMaximumAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Maximum Amount Of Net Proceeds From Sale Of Facilities To Be Used For Repayment </link:label>
<link:label id="lab_acb_BorrowingsCovenantMaximumAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment_documentation_en-US" xlink:label="lab_acb_BorrowingsCovenantMaximumAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Maximum Amount Of Net Proceeds From Sale Of Facilities To Be Used For Repayment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsCovenantMaximumAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:href="acb-20210630.xsd#acb_BorrowingsCovenantMaximumAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsCovenantMaximumAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:to="lab_acb_BorrowingsCovenantMaximumAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_9ab02313-76fd-447a-b313-744e428ecb38_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Changes in Net Book Value of Intangible Assets and Goodwill </link:label>
<link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of reconciliation of changes in intangible assets and goodwill [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory_bf5fe089-1c4b-45c8-b6d5-fb19b48ab258_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Operating Segments </link:label>
<link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of operating segments [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfOperatingSegmentsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_JamaicaPropertyMember_b91e9d80-a543-4b27-afc4-9a51f5e2e612_terseLabel_en-US" xlink:label="lab_acb_JamaicaPropertyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Jamaica Property </link:label>
<link:label id="lab_acb_JamaicaPropertyMember_label_en-US" xlink:label="lab_acb_JamaicaPropertyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Jamaica Property [Member] </link:label>
<link:label id="lab_acb_JamaicaPropertyMember_documentation_en-US" xlink:label="lab_acb_JamaicaPropertyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Jamaica Property [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_JamaicaPropertyMember" xlink:href="acb-20210630.xsd#acb_JamaicaPropertyMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_JamaicaPropertyMember" xlink:to="lab_acb_JamaicaPropertyMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_SharebasedpaymentarrangementsAbstract_f14a524b-6539-47eb-800b-48964afb5d74_terseLabel_en-US" xlink:label="lab_acb_SharebasedpaymentarrangementsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share-based payment arrangements [Abstract] </link:label>
<link:label id="lab_acb_SharebasedpaymentarrangementsAbstract_label_en-US" xlink:label="lab_acb_SharebasedpaymentarrangementsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share-based payment arrangements [Abstract] </link:label>
<link:label id="lab_acb_SharebasedpaymentarrangementsAbstract_documentation_en-US" xlink:label="lab_acb_SharebasedpaymentarrangementsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share-based payment arrangements [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_SharebasedpaymentarrangementsAbstract" xlink:href="acb-20210630.xsd#acb_SharebasedpaymentarrangementsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_SharebasedpaymentarrangementsAbstract" xlink:to="lab_acb_SharebasedpaymentarrangementsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncreaseDecreaseThroughSharesIssuedForBusinessCombinationsAndAssetAcquisitions_d7adfd8a-5203-41eb-8043-487d5a3ed5d7_terseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughSharesIssuedForBusinessCombinationsAndAssetAcquisitions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shares issued for business combinations & asset acquisitions </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughSharesIssuedForBusinessCombinationsAndAssetAcquisitions_label_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughSharesIssuedForBusinessCombinationsAndAssetAcquisitions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Shares Issued For Business Combinations And Asset Acquisitions </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughSharesIssuedForBusinessCombinationsAndAssetAcquisitions_documentation_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughSharesIssuedForBusinessCombinationsAndAssetAcquisitions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Shares Issued For Business Combinations And Asset Acquisitions </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseDecreaseThroughSharesIssuedForBusinessCombinationsAndAssetAcquisitions" xlink:href="acb-20210630.xsd#acb_IncreaseDecreaseThroughSharesIssuedForBusinessCombinationsAndAssetAcquisitions"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncreaseDecreaseThroughSharesIssuedForBusinessCombinationsAndAssetAcquisitions" xlink:to="lab_acb_IncreaseDecreaseThroughSharesIssuedForBusinessCombinationsAndAssetAcquisitions" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutIntangibleAssetsAndGoodwillExplanatoryTableTextBlock_ad1789de-e5cb-499a-9510-95e8e118bd45_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutIntangibleAssetsAndGoodwillExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Continuity Schedule of Intangible Assets and Goodwill </link:label>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutIntangibleAssetsAndGoodwillExplanatoryTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutIntangibleAssetsAndGoodwillExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Detailed Information About Intangible Assets And Goodwill, Explanatory [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutIntangibleAssetsAndGoodwillExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutIntangibleAssetsAndGoodwillExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Detailed Information About Intangible Assets And Goodwill, Explanatory [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfDetailedInformationAboutIntangibleAssetsAndGoodwillExplanatoryTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfDetailedInformationAboutIntangibleAssetsAndGoodwillExplanatoryTableTextBlock"/>
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<link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory_92ca336e-bd52-463f-9282-845075edb783_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Business Combinations Completed During the Years Ended June 30 2020 </link:label>
<link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about business combination [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfChangesInTheCarryingValueOfBorrowingsExplanatoryTableTextBlock_5c9e266e-89fa-4610-8acc-adc876552ded_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfChangesInTheCarryingValueOfBorrowingsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of Changes in the Carrying Value of Current and Non-current Loans and Borrowings </link:label>
<link:label id="lab_acb_DisclosureOfChangesInTheCarryingValueOfBorrowingsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfChangesInTheCarryingValueOfBorrowingsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Changes In The Carrying Value Of Borrowings Explanatory [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfChangesInTheCarryingValueOfBorrowingsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfChangesInTheCarryingValueOfBorrowingsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Changes In The Carrying Value Of Borrowings Explanatory [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfChangesInTheCarryingValueOfBorrowingsExplanatoryTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfChangesInTheCarryingValueOfBorrowingsExplanatoryTableTextBlock"/>
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<link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember_65ea0e42-e2e6-477c-83fb-11a47b4d1212_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> AOCI </link:label>
<link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accumulated other comprehensive income [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AccumulatedOtherComprehensiveIncomeMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:to="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_6d0d6d67-1b82-4e45-a68c-2511f5ab09ec_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from borrowings </link:label>
<link:label id="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from borrowings, classified as financing activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityRegistrantName_3427f41c-cf94-40af-a21f-e78c1cd64b01_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Registrant Name </link:label>
<link:label id="lab_dei_EntityRegistrantName_label_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Registrant Name </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityRegistrantName"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName" xlink:to="lab_dei_EntityRegistrantName" xlink:type="arc" order="1"/>
<link:label id="lab_acb_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod_13f71b96-c771-4a2f-ad6b-d3c9551257e3_terseLabel_en-US" xlink:label="lab_acb_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Estimated useful life </link:label>
<link:label id="lab_acb_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod_label_en-US" xlink:label="lab_acb_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Useful Lives Or Depreciation Rates, Property, Plant And Equipment, Period </link:label>
<link:label id="lab_acb_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod_documentation_en-US" xlink:label="lab_acb_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Useful Lives Or Depreciation Rates, Property, Plant And Equipment, Period </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" xlink:href="acb-20210630.xsd#acb_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" xlink:to="lab_acb_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RevenueFromSaleOfGoodsMember_d6af514c-4e83-4866-ac10-8342ed75b112_terseLabel_en-US" xlink:label="lab_acb_RevenueFromSaleOfGoodsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue from sale of goods </link:label>
<link:label id="lab_acb_RevenueFromSaleOfGoodsMember_label_en-US" xlink:label="lab_acb_RevenueFromSaleOfGoodsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue From Sale Of Goods [Member] </link:label>
<link:label id="lab_acb_RevenueFromSaleOfGoodsMember_documentation_en-US" xlink:label="lab_acb_RevenueFromSaleOfGoodsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue From Sale Of Goods [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RevenueFromSaleOfGoodsMember" xlink:href="acb-20210630.xsd#acb_RevenueFromSaleOfGoodsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RevenueFromSaleOfGoodsMember" xlink:to="lab_acb_RevenueFromSaleOfGoodsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueLessCostsToSellBiologicalAssets_726b927f-9aeb-4db5-a994-9080f2ea8d11_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueLessCostsToSellBiologicalAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized gain on changes in fair value of biological assets </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueLessCostsToSellBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueLessCostsToSellBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for gains (losses) on change in fair value less costs to sell, biological assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueLessCostsToSellBiologicalAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueLessCostsToSellBiologicalAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueLessCostsToSellBiologicalAssets" xlink:to="lab_ifrs-full_AdjustmentsForGainsLossesOnChangeInFairValueLessCostsToSellBiologicalAssets" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_EquityPriceRiskMember_bc387c58-6c42-4b2f-8211-fadef26365c7_verboseLabel_en-US" xlink:label="lab_ifrs-full_EquityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Price risk </link:label>
<link:label id="lab_ifrs-full_EquityPriceRiskMember_label_en-US" xlink:label="lab_ifrs-full_EquityPriceRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Equity price risk [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityPriceRiskMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityPriceRiskMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityPriceRiskMember" xlink:to="lab_ifrs-full_EquityPriceRiskMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GeneralinformationaboutfinancialstatementsAbstract_5d7f24cb-f2a7-429c-b5b3-705ecb705dec_terseLabel_en-US" xlink:label="lab_acb_GeneralinformationaboutfinancialstatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> General information about financial statements [Abstract] </link:label>
<link:label id="lab_acb_GeneralinformationaboutfinancialstatementsAbstract_label_en-US" xlink:label="lab_acb_GeneralinformationaboutfinancialstatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> General information about financial statements [Abstract] </link:label>
<link:label id="lab_acb_GeneralinformationaboutfinancialstatementsAbstract_documentation_en-US" xlink:label="lab_acb_GeneralinformationaboutfinancialstatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> General information about financial statements [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GeneralinformationaboutfinancialstatementsAbstract" xlink:href="acb-20210630.xsd#acb_GeneralinformationaboutfinancialstatementsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_GeneralinformationaboutfinancialstatementsAbstract" xlink:to="lab_acb_GeneralinformationaboutfinancialstatementsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation_b58a8208-f4bf-4800-beec-9fd2d53f92a0_terseLabel_en-US" xlink:label="lab_ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average interest rate for capitalization </link:label>
<link:label id="lab_ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation_label_en-US" xlink:label="lab_ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capitalisation rate of borrowing costs eligible for capitalisation </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation" xlink:to="lab_ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PropertyPlantAndEquipmentOwnedAssetsMember_ed9e23e1-3304-4b70-b7ef-39c389567a09_terseLabel_en-US" xlink:label="lab_acb_PropertyPlantAndEquipmentOwnedAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Owned assets </link:label>
<link:label id="lab_acb_PropertyPlantAndEquipmentOwnedAssetsMember_label_en-US" xlink:label="lab_acb_PropertyPlantAndEquipmentOwnedAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property Plant And Equipment Owned Assets [Member] </link:label>
<link:label id="lab_acb_PropertyPlantAndEquipmentOwnedAssetsMember_documentation_en-US" xlink:label="lab_acb_PropertyPlantAndEquipmentOwnedAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property Plant And Equipment Owned Assets [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PropertyPlantAndEquipmentOwnedAssetsMember" xlink:href="acb-20210630.xsd#acb_PropertyPlantAndEquipmentOwnedAssetsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PropertyPlantAndEquipmentOwnedAssetsMember" xlink:to="lab_acb_PropertyPlantAndEquipmentOwnedAssetsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InventoriesHempProductsMember_0d30ce8d-fe6f-441b-9d76-2272e512868d_terseLabel_en-US" xlink:label="lab_acb_InventoriesHempProductsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Hemp products </link:label>
<link:label id="lab_acb_InventoriesHempProductsMember_label_en-US" xlink:label="lab_acb_InventoriesHempProductsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventories, Hemp Products [Member] </link:label>
<link:label id="lab_acb_InventoriesHempProductsMember_documentation_en-US" xlink:label="lab_acb_InventoriesHempProductsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventories, Hemp Products [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InventoriesHempProductsMember" xlink:href="acb-20210630.xsd#acb_InventoriesHempProductsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InventoriesHempProductsMember" xlink:to="lab_acb_InventoriesHempProductsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis_6e7b760b-723b-4094-ba74-741b227097c8_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Categories of financial liabilities [axis] </link:label>
<link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Categories of financial liabilities [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:to="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_EntitysTotalForCashgeneratingUnitsMember_928b64fe-4ef8-4a0d-a8e5-4d98364e8b43_terseLabel_en-US" xlink:label="lab_ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity's total for cash-generating units [member] </link:label>
<link:label id="lab_ifrs-full_EntitysTotalForCashgeneratingUnitsMember_label_en-US" xlink:label="lab_ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity's total for cash-generating units [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EntitysTotalForCashgeneratingUnitsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:to="lab_ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ConvertibleNotesandInterestMember_9995e5ad-8918-4c22-9009-698c61a9b2bf_terseLabel_en-US" xlink:label="lab_acb_ConvertibleNotesandInterestMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible notes and interest </link:label>
<link:label id="lab_acb_ConvertibleNotesandInterestMember_label_en-US" xlink:label="lab_acb_ConvertibleNotesandInterestMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Notes and Interest [Member] </link:label>
<link:label id="lab_acb_ConvertibleNotesandInterestMember_documentation_en-US" xlink:label="lab_acb_ConvertibleNotesandInterestMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Notes and Interest [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ConvertibleNotesandInterestMember" xlink:href="acb-20210630.xsd#acb_ConvertibleNotesandInterestMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ConvertibleNotesandInterestMember" xlink:to="lab_acb_ConvertibleNotesandInterestMember" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityIncorporationStateCountryCode_f16f30e5-14e6-4997-a3d5-3fcf2d45e80c_terseLabel_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Incorporation, State or Country Code </link:label>
<link:label id="lab_dei_EntityIncorporationStateCountryCode_label_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Incorporation, State or Country Code </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityIncorporationStateCountryCode"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityIncorporationStateCountryCode" xlink:to="lab_dei_EntityIncorporationStateCountryCode" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OperatingSegmentsMember_bbe7ebac-4800-43a1-95d5-d473e1442027_terseLabel_en-US" xlink:label="lab_ifrs-full_OperatingSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Operating Segments </link:label>
<link:label id="lab_ifrs-full_OperatingSegmentsMember_label_en-US" xlink:label="lab_ifrs-full_OperatingSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Operating segments [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingSegmentsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OperatingSegmentsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingSegmentsMember" xlink:to="lab_ifrs-full_OperatingSegmentsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTransactionsWithRelatedPartiesExplanatory_9d85ec2c-2b11-49d2-939f-2f4f78ce1f7b_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTransactionsWithRelatedPartiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Related Party Transactions </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTransactionsWithRelatedPartiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTransactionsWithRelatedPartiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for transactions with related parties [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForTransactionsWithRelatedPartiesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForTransactionsWithRelatedPartiesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForTransactionsWithRelatedPartiesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForTransactionsWithRelatedPartiesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PaymentsOfContingentConsideration_6034e18e-2666-40d6-a5ba-ddb1242458fe_negatedTerseLabel_en-US" xlink:label="lab_acb_PaymentsOfContingentConsideration" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payment of contingent consideration </link:label>
<link:label id="lab_acb_PaymentsOfContingentConsideration_label_en-US" xlink:label="lab_acb_PaymentsOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payments Of Contingent Consideration </link:label>
<link:label id="lab_acb_PaymentsOfContingentConsideration_documentation_en-US" xlink:label="lab_acb_PaymentsOfContingentConsideration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payments Of Contingent Consideration </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PaymentsOfContingentConsideration" xlink:href="acb-20210630.xsd#acb_PaymentsOfContingentConsideration"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PaymentsOfContingentConsideration" xlink:to="lab_acb_PaymentsOfContingentConsideration" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CustomerCMember_af78e531-6987-4311-997d-49f4dffacb05_terseLabel_en-US" xlink:label="lab_acb_CustomerCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer C </link:label>
<link:label id="lab_acb_CustomerCMember_label_en-US" xlink:label="lab_acb_CustomerCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer C [Member] </link:label>
<link:label id="lab_acb_CustomerCMember_documentation_en-US" xlink:label="lab_acb_CustomerCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer C [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CustomerCMember" xlink:href="acb-20210630.xsd#acb_CustomerCMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CustomerCMember" xlink:to="lab_acb_CustomerCMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DerivativeInstrumentsRelatedTemporaryDifferencesMember_7644ab42-5823-43c1-93d0-ed0d6a94ea57_terseLabel_en-US" xlink:label="lab_acb_DerivativeInstrumentsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivatives </link:label>
<link:label id="lab_acb_DerivativeInstrumentsRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_acb_DerivativeInstrumentsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivative Instruments Related Temporary Differences [Member] </link:label>
<link:label id="lab_acb_DerivativeInstrumentsRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_acb_DerivativeInstrumentsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivative Instruments Related Temporary Differences [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DerivativeInstrumentsRelatedTemporaryDifferencesMember" xlink:href="acb-20210630.xsd#acb_DerivativeInstrumentsRelatedTemporaryDifferencesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DerivativeInstrumentsRelatedTemporaryDifferencesMember" xlink:to="lab_acb_DerivativeInstrumentsRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AggregateFairValueWarrantsOutstanding_43ce880e-876c-4711-a893-a6abd393c9b1_periodStartLabel_en-US" xlink:label="lab_acb_AggregateFairValueWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Balance, June 30, 2020 </link:label>
<link:label id="lab_acb_AggregateFairValueWarrantsOutstanding_7011490b-debc-4c23-819d-fcd41c3c6273_periodEndLabel_en-US" xlink:label="lab_acb_AggregateFairValueWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Balance, June 30, 2021 </link:label>
<link:label id="lab_acb_AggregateFairValueWarrantsOutstanding_4b63861b-d620-4199-9879-07465ea1a20b_terseLabel_en-US" xlink:label="lab_acb_AggregateFairValueWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aggregate fair value, warrants outstanding </link:label>
<link:label id="lab_acb_AggregateFairValueWarrantsOutstanding_label_en-US" xlink:label="lab_acb_AggregateFairValueWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aggregate Fair Value, Warrants Outstanding </link:label>
<link:label id="lab_acb_AggregateFairValueWarrantsOutstanding_documentation_en-US" xlink:label="lab_acb_AggregateFairValueWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aggregate Fair Value, Warrants Outstanding </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AggregateFairValueWarrantsOutstanding" xlink:href="acb-20210630.xsd#acb_AggregateFairValueWarrantsOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AggregateFairValueWarrantsOutstanding" xlink:to="lab_acb_AggregateFairValueWarrantsOutstanding" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CostOfSalesBeforeFairValueAdjustmentsMember_cd16b27a-a194-4209-b99e-808c7b53a5f3_terseLabel_en-US" xlink:label="lab_acb_CostOfSalesBeforeFairValueAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cost of Sales Before Fair Value Adjustments </link:label>
<link:label id="lab_acb_CostOfSalesBeforeFairValueAdjustmentsMember_label_en-US" xlink:label="lab_acb_CostOfSalesBeforeFairValueAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cost Of Sales Before Fair Value Adjustments [Member] </link:label>
<link:label id="lab_acb_CostOfSalesBeforeFairValueAdjustmentsMember_documentation_en-US" xlink:label="lab_acb_CostOfSalesBeforeFairValueAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cost Of Sales Before Fair Value Adjustments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CostOfSalesBeforeFairValueAdjustmentsMember" xlink:href="acb-20210630.xsd#acb_CostOfSalesBeforeFairValueAdjustmentsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CostOfSalesBeforeFairValueAdjustmentsMember" xlink:to="lab_acb_CostOfSalesBeforeFairValueAdjustmentsMember" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityAddressesLineItems_419cb310-a331-4073-817f-0040d635b831_terseLabel_en-US" xlink:label="lab_dei_EntityAddressesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Addresses [Line Items] </link:label>
<link:label id="lab_dei_EntityAddressesLineItems_label_en-US" xlink:label="lab_dei_EntityAddressesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Addresses [Line Items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesLineItems" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressesLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressesLineItems" xlink:to="lab_dei_EntityAddressesLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ReserveForChangeInFairValueMember_80ac476c-9d75-40d8-90ad-a888915e487e_terseLabel_en-US" xlink:label="lab_acb_ReserveForChangeInFairValueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair Value </link:label>
<link:label id="lab_acb_ReserveForChangeInFairValueMember_label_en-US" xlink:label="lab_acb_ReserveForChangeInFairValueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reserve For Change In Fair Value [Member] </link:label>
<link:label id="lab_acb_ReserveForChangeInFairValueMember_documentation_en-US" xlink:label="lab_acb_ReserveForChangeInFairValueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reserve For Change In Fair Value [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ReserveForChangeInFairValueMember" xlink:href="acb-20210630.xsd#acb_ReserveForChangeInFairValueMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ReserveForChangeInFairValueMember" xlink:to="lab_acb_ReserveForChangeInFairValueMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GainsLossesOnFinancialInstrumentsAbstract_96131428-7b48-4d04-a9b3-19e593471d7b_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss on marketable securities </link:label>
<link:label id="lab_ifrs-full_GainsLossesOnFinancialInstrumentsAbstract_f4a7569b-d00f-4b48-91cb-487dfd0e3097_verboseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized gain (loss) on derivatives (Note 22) </link:label>
<link:label id="lab_ifrs-full_GainsLossesOnFinancialInstrumentsAbstract_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (losses) on financial instruments [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnFinancialInstrumentsAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesOnFinancialInstrumentsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnFinancialInstrumentsAbstract" xlink:to="lab_ifrs-full_GainsLossesOnFinancialInstrumentsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityAddressPostalZipCode_bd40dd32-f0c7-48ed-aa05-d232b840493f_terseLabel_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Address, Postal Zip Code </link:label>
<link:label id="lab_dei_EntityAddressPostalZipCode_label_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Address, Postal Zip Code </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressPostalZipCode"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressPostalZipCode" xlink:to="lab_dei_EntityAddressPostalZipCode" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentGovernmentGrants_25f6c1f9-e0ea-4662-b021-1c246f9f7a6e_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current government grant liabilities </link:label>
<link:label id="lab_ifrs-full_CurrentGovernmentGrants_label_en-US" xlink:label="lab_ifrs-full_CurrentGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current government grants </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentGovernmentGrants" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentGovernmentGrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentGovernmentGrants" xlink:to="lab_ifrs-full_CurrentGovernmentGrants" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ShareIssueRelatedCost_4ff301d1-fb4b-41f0-91d9-2a8536698c20_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ShareIssueRelatedCost" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Equity financing transaction costs </link:label>
<link:label id="lab_ifrs-full_ShareIssueRelatedCost_3ca385ed-7dd6-4ab5-a126-a61e6bd44f35_terseLabel_en-US" xlink:label="lab_ifrs-full_ShareIssueRelatedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Commissions and issuance costs </link:label>
<link:label id="lab_ifrs-full_ShareIssueRelatedCost_label_en-US" xlink:label="lab_ifrs-full_ShareIssueRelatedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share issue related cost </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShareIssueRelatedCost" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ShareIssueRelatedCost"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareIssueRelatedCost" xlink:to="lab_ifrs-full_ShareIssueRelatedCost" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentLiabilities_20b0fd95-e564-4937-b8b2-8c1c40e85c7e_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current liabilities </link:label>
<link:label id="lab_ifrs-full_CurrentLiabilities_a08aa66c-e501-4ff9-83a2-1319915a2515_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current liabilities </link:label>
<link:label id="lab_ifrs-full_CurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilities" xlink:to="lab_ifrs-full_CurrentLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FirstAmendmentToTheFirstAmendedAndRestatedCreditAgreementMember_1a0c2b79-3ade-4d41-8ec9-dc4adf4dbdd8_terseLabel_en-US" xlink:label="lab_acb_FirstAmendmentToTheFirstAmendedAndRestatedCreditAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> First Amendment to the First Amended and Restated Credit Agreement </link:label>
<link:label id="lab_acb_FirstAmendmentToTheFirstAmendedAndRestatedCreditAgreementMember_label_en-US" xlink:label="lab_acb_FirstAmendmentToTheFirstAmendedAndRestatedCreditAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> First Amendment To The First Amended And Restated Credit Agreement [Member] </link:label>
<link:label id="lab_acb_FirstAmendmentToTheFirstAmendedAndRestatedCreditAgreementMember_documentation_en-US" xlink:label="lab_acb_FirstAmendmentToTheFirstAmendedAndRestatedCreditAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> First Amendment To The First Amended And Restated Credit Agreement [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FirstAmendmentToTheFirstAmendedAndRestatedCreditAgreementMember" xlink:href="acb-20210630.xsd#acb_FirstAmendmentToTheFirstAmendedAndRestatedCreditAgreementMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FirstAmendmentToTheFirstAmendedAndRestatedCreditAgreementMember" xlink:to="lab_acb_FirstAmendmentToTheFirstAmendedAndRestatedCreditAgreementMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory_dc88373a-7819-46a3-9716-8a89ed248b6e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Summary of Stock Options that Remain Outstanding </link:label>
<link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of number and weighted average remaining contractual life of outstanding share options [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_786f8ee8-0c41-4c40-ac49-376c10b97cef_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts payable and accrued liabilities </link:label>
<link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_9935fbc8-e434-4ffd-b613-cdbe711fe114_totalLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Trade and other current payables </link:label>
<link:label id="lab_ifrs-full_TradeAndOtherCurrentPayables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Trade and other current payables </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayables" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TradeAndOtherCurrentPayables"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentPayables" xlink:to="lab_ifrs-full_TradeAndOtherCurrentPayables" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OtherTemporaryDifferencesMember_0a24c444-2c3c-40ef-be59-e1f87f8a752a_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other </link:label>
<link:label id="lab_ifrs-full_OtherTemporaryDifferencesMember_label_en-US" xlink:label="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other temporary differences [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherTemporaryDifferencesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherTemporaryDifferencesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherTemporaryDifferencesMember" xlink:to="lab_ifrs-full_OtherTemporaryDifferencesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis_139b2496-9b63-43de-b2d3-ca226c2f8457_terseLabel_en-US" xlink:label="lab_ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments in equity instruments designated at fair value through other comprehensive income [axis] </link:label>
<link:label id="lab_ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis_label_en-US" xlink:label="lab_ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments in equity instruments designated at fair value through other comprehensive income [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:to="lab_ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OtherNonCurrentFinancialLiabilitiesMember_fddb6d8c-54fc-4358-be2c-b5926f136a87_terseLabel_en-US" xlink:label="lab_acb_OtherNonCurrentFinancialLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other long-term liabilities </link:label>
<link:label id="lab_acb_OtherNonCurrentFinancialLiabilitiesMember_label_en-US" xlink:label="lab_acb_OtherNonCurrentFinancialLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Non-Current Financial Liabilities [Member] </link:label>
<link:label id="lab_acb_OtherNonCurrentFinancialLiabilitiesMember_documentation_en-US" xlink:label="lab_acb_OtherNonCurrentFinancialLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Non-Current Financial Liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OtherNonCurrentFinancialLiabilitiesMember" xlink:href="acb-20210630.xsd#acb_OtherNonCurrentFinancialLiabilitiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OtherNonCurrentFinancialLiabilitiesMember" xlink:to="lab_acb_OtherNonCurrentFinancialLiabilitiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ForfeitureAsPercentageOtherEquityInstrumentsGranted_0f48ec91-2df3-4c8c-9838-d8fdf7c2edc6_terseLabel_en-US" xlink:label="lab_acb_ForfeitureAsPercentageOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Forfeiture rate </link:label>
<link:label id="lab_acb_ForfeitureAsPercentageOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_acb_ForfeitureAsPercentageOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Forfeiture As Percentage, Other Equity Instruments Granted </link:label>
<link:label id="lab_acb_ForfeitureAsPercentageOtherEquityInstrumentsGranted_documentation_en-US" xlink:label="lab_acb_ForfeitureAsPercentageOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Forfeiture As Percentage, Other Equity Instruments Granted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ForfeitureAsPercentageOtherEquityInstrumentsGranted" xlink:href="acb-20210630.xsd#acb_ForfeitureAsPercentageOtherEquityInstrumentsGranted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ForfeitureAsPercentageOtherEquityInstrumentsGranted" xlink:to="lab_acb_ForfeitureAsPercentageOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory_b301cf04-bc2b-406d-8181-c18cb76c0331_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loans and Borrowings </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for borrowings [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PurchaseCommitment_5947b8b7-1235-4408-bffe-edd0a9c6a740_terseLabel_en-US" xlink:label="lab_acb_PurchaseCommitment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Purchase commitment </link:label>
<link:label id="lab_acb_PurchaseCommitment_label_en-US" xlink:label="lab_acb_PurchaseCommitment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Purchase Commitment </link:label>
<link:label id="lab_acb_PurchaseCommitment_documentation_en-US" xlink:label="lab_acb_PurchaseCommitment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Purchase Commitment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PurchaseCommitment" xlink:href="acb-20210630.xsd#acb_PurchaseCommitment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PurchaseCommitment" xlink:to="lab_acb_PurchaseCommitment" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember_eef1fcd0-3b7d-429c-9bfc-caeb21d44794_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets with indefinite useful life [member] </link:label>
<link:label id="lab_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets with indefinite useful life [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember" xlink:to="lab_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfBiologicalAssetsAndGovernmentGrantsForAgriculturalActivityExplanatory_04807473-0b2e-4549-a656-de36f4868108_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBiologicalAssetsAndGovernmentGrantsForAgriculturalActivityExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Biological Assets </link:label>
<link:label id="lab_ifrs-full_DisclosureOfBiologicalAssetsAndGovernmentGrantsForAgriculturalActivityExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBiologicalAssetsAndGovernmentGrantsForAgriculturalActivityExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of biological assets, agriculture produce at point of harvest and government grants related to biological assets [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBiologicalAssetsAndGovernmentGrantsForAgriculturalActivityExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfBiologicalAssetsAndGovernmentGrantsForAgriculturalActivityExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBiologicalAssetsAndGovernmentGrantsForAgriculturalActivityExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBiologicalAssetsAndGovernmentGrantsForAgriculturalActivityExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RelatedPartyTransactionsAbstract_a8c8437f-915f-461f-ac9b-ef936d426c34_terseLabel_en-US" xlink:label="lab_ifrs-full_RelatedPartyTransactionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Transactions with related parties </link:label>
<link:label id="lab_ifrs-full_RelatedPartyTransactionsAbstract_label_en-US" xlink:label="lab_ifrs-full_RelatedPartyTransactionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Related party transactions [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RelatedPartyTransactionsAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RelatedPartyTransactionsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RelatedPartyTransactionsAbstract" xlink:to="lab_ifrs-full_RelatedPartyTransactionsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PaymentsForRestructuringCosts_138088e2-0d2d-493d-b3d5-9776ffcf2f27_negatedTerseLabel_en-US" xlink:label="lab_acb_PaymentsForRestructuringCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payments </link:label>
<link:label id="lab_acb_PaymentsForRestructuringCosts_label_en-US" xlink:label="lab_acb_PaymentsForRestructuringCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payments For Restructuring Costs </link:label>
<link:label id="lab_acb_PaymentsForRestructuringCosts_documentation_en-US" xlink:label="lab_acb_PaymentsForRestructuringCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payments For Restructuring Costs </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PaymentsForRestructuringCosts" xlink:href="acb-20210630.xsd#acb_PaymentsForRestructuringCosts"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PaymentsForRestructuringCosts" xlink:to="lab_acb_PaymentsForRestructuringCosts" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfRangeOfExercisePricesOfOutstandingWarrantsTableTextBlock_bce03bbf-e42a-4e07-a51a-69d18e323e0b_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfRangeOfExercisePricesOfOutstandingWarrantsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of Range of Exercise Prices of Outstanding Warrants </link:label>
<link:label id="lab_acb_DisclosureOfRangeOfExercisePricesOfOutstandingWarrantsTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfRangeOfExercisePricesOfOutstandingWarrantsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Range Of Exercise Prices Of Outstanding Warrants [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfRangeOfExercisePricesOfOutstandingWarrantsTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfRangeOfExercisePricesOfOutstandingWarrantsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Range Of Exercise Prices Of Outstanding Warrants [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfRangeOfExercisePricesOfOutstandingWarrantsTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfRangeOfExercisePricesOfOutstandingWarrantsTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfRangeOfExercisePricesOfOutstandingWarrantsTableTextBlock" xlink:to="lab_acb_DisclosureOfRangeOfExercisePricesOfOutstandingWarrantsTableTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesAcquired_355a56d4-bf4e-437d-b49f-77b2bd8671e8_terseLabel_en-US" xlink:label="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesAcquired" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions </link:label>
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<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_fd771eeb-ccf2-4777-8784-68011bf7a6d6_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, Plant and Equipment </link:label>
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<link:label id="lab_ifrs-full_FinancialLiabilitiesMember_b84fa438-8904-43a3-a7f3-6664334175ba_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial liabilities, class [member] </link:label>
<link:label id="lab_ifrs-full_FinancialLiabilitiesMember_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial liabilities, class [member] </link:label>
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<link:label id="lab_acb_OtherGeographicalAreasMember_696711b2-2822-4ec4-aa88-4b17c61c800e_terseLabel_en-US" xlink:label="lab_acb_OtherGeographicalAreasMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other </link:label>
<link:label id="lab_acb_OtherGeographicalAreasMember_label_en-US" xlink:label="lab_acb_OtherGeographicalAreasMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Geographical Areas [Member] </link:label>
<link:label id="lab_acb_OtherGeographicalAreasMember_documentation_en-US" xlink:label="lab_acb_OtherGeographicalAreasMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Geographical Areas [Member] </link:label>
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<link:label id="lab_ifrs-full_Level1OfFairValueHierarchyMember_689b605d-40be-447c-8729-31ec878927ae_terseLabel_en-US" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Level 1 </link:label>
<link:label id="lab_ifrs-full_Level1OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Level 1 of fair value hierarchy [member] </link:label>
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<link:label id="lab_acb_CTTPharmaceuticalHoldingsInc.Member_00af8b41-20e6-4d7e-833d-45055d1ee8b8_terseLabel_en-US" xlink:label="lab_acb_CTTPharmaceuticalHoldingsInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> CTT Pharmaceutical Holdings </link:label>
<link:label id="lab_acb_CTTPharmaceuticalHoldingsInc.Member_label_en-US" xlink:label="lab_acb_CTTPharmaceuticalHoldingsInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> CTT Pharmaceutical Holdings, Inc. [Member] </link:label>
<link:label id="lab_acb_CTTPharmaceuticalHoldingsInc.Member_documentation_en-US" xlink:label="lab_acb_CTTPharmaceuticalHoldingsInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> CTT Pharmaceutical Holdings, Inc. [Member] </link:label>
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<link:label id="lab_acb_InventoriesHarvestedCannabisMember_958522ea-547d-4f63-8bbb-54545c9f2aa8_terseLabel_en-US" xlink:label="lab_acb_InventoriesHarvestedCannabisMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Harvested cannabis </link:label>
<link:label id="lab_acb_InventoriesHarvestedCannabisMember_label_en-US" xlink:label="lab_acb_InventoriesHarvestedCannabisMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventories, Harvested Cannabis [Member] </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InventoriesHarvestedCannabisMember" xlink:to="lab_acb_InventoriesHarvestedCannabisMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_622daafb-9b49-4723-a448-afe34663c2d7_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss from operations </link:label>
<link:label id="lab_ifrs-full_ProfitLossFromOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (loss) from operating activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromOperatingActivities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossFromOperatingActivities"/>
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<link:label id="lab_acb_DisclosureOfJointVenturesAndAssociatesTable_4167f627-c8fb-4405-a257-d9831cf3d11f_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfJointVenturesAndAssociatesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Joint Ventures And Associates [Table] </link:label>
<link:label id="lab_acb_DisclosureOfJointVenturesAndAssociatesTable_label_en-US" xlink:label="lab_acb_DisclosureOfJointVenturesAndAssociatesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Joint Ventures And Associates [Table] </link:label>
<link:label id="lab_acb_DisclosureOfJointVenturesAndAssociatesTable_documentation_en-US" xlink:label="lab_acb_DisclosureOfJointVenturesAndAssociatesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Joint Ventures And Associates [Table] </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfJointVenturesAndAssociatesTable" xlink:to="lab_acb_DisclosureOfJointVenturesAndAssociatesTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_c88c1f45-e6ee-485b-bdd5-54fa1e4bc98d_periodStartLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Options outstanding, beginning (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_b4c0cb4c-1cc6-4552-acf2-e45aad33464b_periodEndLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Options outstanding, ending (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average exercise price of share options outstanding in share-based payment arrangement </link:label>
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<link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableTable_16450029-212f-422a-bc05-75a206b9a36b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of maturity analysis of finance lease payments receivable [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of maturity analysis of finance lease payments receivable [table] </link:label>
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<link:label id="lab_ifrs-full_RetainedEarnings_6ac4701b-d7b8-4d80-86ce-b51eeffa5f8e_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deficit </link:label>
<link:label id="lab_ifrs-full_RetainedEarnings_label_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Retained earnings </link:label>
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<link:label id="lab_ifrs-full_LiabilitiesMember_f6f2d762-4977-4f14-8171-c3421cb4b9ca_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Liabilities [member] </link:label>
<link:label id="lab_ifrs-full_LiabilitiesMember_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Liabilities [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LiabilitiesMember"/>
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<link:label id="lab_ifrs-full_MajorCustomersAxis_d7c69502-1e46-4a37-8c1f-081f000a6864_terseLabel_en-US" xlink:label="lab_ifrs-full_MajorCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Major customers [axis] </link:label>
<link:label id="lab_ifrs-full_MajorCustomersAxis_label_en-US" xlink:label="lab_ifrs-full_MajorCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Major customers [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MajorCustomersAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_MajorCustomersAxis"/>
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<link:label id="lab_acb_IncreaseDecreaseThroughConversionOfConvertibleInstrumentsDeferredTax_568e2d36-a8ce-4e2b-878a-a5a8f30c3b15_terseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughConversionOfConvertibleInstrumentsDeferredTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred tax on convertible debentures </link:label>
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<link:label id="lab_acb_NumberOfOtherEquityInstrumentsReservedInSharebasedPaymentArrangement_35c75ebe-020e-48e4-bab4-53fcb55fb0d7_terseLabel_en-US" xlink:label="lab_acb_NumberOfOtherEquityInstrumentsReservedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of instruments reserved (in shares) </link:label>
<link:label id="lab_acb_NumberOfOtherEquityInstrumentsReservedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_acb_NumberOfOtherEquityInstrumentsReservedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Other Equity Instruments Reserved In Share-based Payment Arrangement </link:label>
<link:label id="lab_acb_NumberOfOtherEquityInstrumentsReservedInSharebasedPaymentArrangement_documentation_en-US" xlink:label="lab_acb_NumberOfOtherEquityInstrumentsReservedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Other Equity Instruments Reserved In Share-based Payment Arrangement </link:label>
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<link:label id="lab_acb_DisclosureofnotesandotherexplanatoryinformationAbstract_6bfef277-4633-43ab-ba72-9eaee668967a_terseLabel_en-US" xlink:label="lab_acb_DisclosureofnotesandotherexplanatoryinformationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of notes and other explanatory information [Abstract] </link:label>
<link:label id="lab_acb_DisclosureofnotesandotherexplanatoryinformationAbstract_label_en-US" xlink:label="lab_acb_DisclosureofnotesandotherexplanatoryinformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of notes and other explanatory information [Abstract] </link:label>
<link:label id="lab_acb_DisclosureofnotesandotherexplanatoryinformationAbstract_documentation_en-US" xlink:label="lab_acb_DisclosureofnotesandotherexplanatoryinformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of notes and other explanatory information [Abstract] </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureofnotesandotherexplanatoryinformationAbstract" xlink:to="lab_acb_DisclosureofnotesandotherexplanatoryinformationAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ClosingStockPrice_52d881ff-f785-4fcc-b7b6-6b351e68224f_terseLabel_en-US" xlink:label="lab_acb_ClosingStockPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share price (in A$ per share) </link:label>
<link:label id="lab_acb_ClosingStockPrice_c49834dd-29d2-4a1c-81a7-771b73adaeca_verboseLabel_en-US" xlink:label="lab_acb_ClosingStockPrice" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share price (in CAD per share) </link:label>
<link:label id="lab_acb_ClosingStockPrice_633b4b06-046e-43d3-b914-4a24437ead91_netLabel_en-US" xlink:label="lab_acb_ClosingStockPrice" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share price (in USD per share) </link:label>
<link:label id="lab_acb_ClosingStockPrice_label_en-US" xlink:label="lab_acb_ClosingStockPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Closing Stock Price </link:label>
<link:label id="lab_acb_ClosingStockPrice_documentation_en-US" xlink:label="lab_acb_ClosingStockPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Closing Stock Price </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ClosingStockPrice" xlink:to="lab_acb_ClosingStockPrice" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AtFairValueMember_db57dde9-9aff-4edd-b418-e95cfe99f04a_terseLabel_en-US" xlink:label="lab_ifrs-full_AtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> At fair value </link:label>
<link:label id="lab_ifrs-full_AtFairValueMember_label_en-US" xlink:label="lab_ifrs-full_AtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> At fair value [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AtFairValueMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AtFairValueMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AtFairValueMember" xlink:to="lab_ifrs-full_AtFairValueMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AgriculturalProduceGroupMember_368c4905-6915-44c6-8df4-6ca9d6d8eb4f_terseLabel_en-US" xlink:label="lab_ifrs-full_AgriculturalProduceGroupMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Agricultural produce, group [member] </link:label>
<link:label id="lab_ifrs-full_AgriculturalProduceGroupMember_label_en-US" xlink:label="lab_ifrs-full_AgriculturalProduceGroupMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Agricultural produce, group [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AgriculturalProduceGroupMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AgriculturalProduceGroupMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AgriculturalProduceGroupMember" xlink:to="lab_ifrs-full_AgriculturalProduceGroupMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_FinancialAssets_a0bdb487-6400-4e3c-8eb9-5bb600d8586b_periodStartLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Beginning balance </link:label>
<link:label id="lab_ifrs-full_FinancialAssets_2bfb7bdd-f983-4dba-a93f-6a2202b64ac6_periodEndLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ending balance </link:label>
<link:label id="lab_ifrs-full_FinancialAssets_f964a496-1aed-4ddf-96c3-00f68515e11b_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets </link:label>
<link:label id="lab_ifrs-full_FinancialAssets_label_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssets" xlink:to="lab_ifrs-full_FinancialAssets" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BiologicalAssets_0f2f6794-4f9b-4fba-9e69-2c4108a2b5a7_periodStartLabel_en-US" xlink:label="lab_ifrs-full_BiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Opening balance </link:label>
<link:label id="lab_ifrs-full_BiologicalAssets_06854260-8227-4e79-9391-0adc3c836bbf_periodEndLabel_en-US" xlink:label="lab_ifrs-full_BiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ending balance </link:label>
<link:label id="lab_ifrs-full_BiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_BiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Biological assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BiologicalAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BiologicalAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BiologicalAssets" xlink:to="lab_ifrs-full_BiologicalAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutInventoriesExplanatoryTableTextBlock_d2790c93-37d0-4e5a-b420-df228db606cb_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutInventoriesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Breakdown of Inventory </link:label>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutInventoriesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutInventoriesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Detailed Information About Inventories, Explanatory [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutInventoriesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutInventoriesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Detailed Information About Inventories, Explanatory [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfDetailedInformationAboutInventoriesExplanatoryTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfDetailedInformationAboutInventoriesExplanatoryTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfDetailedInformationAboutInventoriesExplanatoryTableTextBlock" xlink:to="lab_acb_DisclosureOfDetailedInformationAboutInventoriesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_HighTideInc.Member_1d12fe5b-c4ff-4f69-8492-4607a1e9b49c_terseLabel_en-US" xlink:label="lab_acb_HighTideInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> High Tide </link:label>
<link:label id="lab_acb_HighTideInc.Member_label_en-US" xlink:label="lab_acb_HighTideInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> High Tide Inc. [Member] </link:label>
<link:label id="lab_acb_HighTideInc.Member_documentation_en-US" xlink:label="lab_acb_HighTideInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> High Tide Inc. [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_HighTideInc.Member" xlink:href="acb-20210630.xsd#acb_HighTideInc.Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_HighTideInc.Member" xlink:to="lab_acb_HighTideInc.Member" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CreditFacilityMaximumBorrowingCapacity_a72a205a-503d-4899-bedf-b158121d7c10_terseLabel_en-US" xlink:label="lab_acb_CreditFacilityMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Maximum borrowing capacity </link:label>
<link:label id="lab_acb_CreditFacilityMaximumBorrowingCapacity_label_en-US" xlink:label="lab_acb_CreditFacilityMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit Facility, Maximum Borrowing Capacity </link:label>
<link:label id="lab_acb_CreditFacilityMaximumBorrowingCapacity_documentation_en-US" xlink:label="lab_acb_CreditFacilityMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit Facility, Maximum Borrowing Capacity </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CreditFacilityMaximumBorrowingCapacity" xlink:href="acb-20210630.xsd#acb_CreditFacilityMaximumBorrowingCapacity"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CreditFacilityMaximumBorrowingCapacity" xlink:to="lab_acb_CreditFacilityMaximumBorrowingCapacity" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfNoncurrentAssetsHeldForSaleLineItems_4069f1e9-9dcc-46dc-aac5-a65883a54507_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfNoncurrentAssetsHeldForSaleLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Non-current Assets Held for Sale [Line Items] </link:label>
<link:label id="lab_acb_DisclosureOfNoncurrentAssetsHeldForSaleLineItems_label_en-US" xlink:label="lab_acb_DisclosureOfNoncurrentAssetsHeldForSaleLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Non-current Assets Held For Sale [Line Items] </link:label>
<link:label id="lab_acb_DisclosureOfNoncurrentAssetsHeldForSaleLineItems_documentation_en-US" xlink:label="lab_acb_DisclosureOfNoncurrentAssetsHeldForSaleLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> [Line Items] for Disclosure Of Non-current Assets Held For Sale [Table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfNoncurrentAssetsHeldForSaleLineItems" xlink:href="acb-20210630.xsd#acb_DisclosureOfNoncurrentAssetsHeldForSaleLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfNoncurrentAssetsHeldForSaleLineItems" xlink:to="lab_acb_DisclosureOfNoncurrentAssetsHeldForSaleLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OtherComprehensiveIncomeBeforeTaxUnrealizedGainsLossesFromInvestmentsInEquityInstruments_e2c199ba-12b3-4b36-a591-2b417164f446_terseLabel_en-US" xlink:label="lab_acb_OtherComprehensiveIncomeBeforeTaxUnrealizedGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> OCI unrealized loss </link:label>
<link:label id="lab_acb_OtherComprehensiveIncomeBeforeTaxUnrealizedGainsLossesFromInvestmentsInEquityInstruments_label_en-US" xlink:label="lab_acb_OtherComprehensiveIncomeBeforeTaxUnrealizedGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Comprehensive Income, Before Tax, Unrealized Gains (Losses) From Investments In Equity Instruments </link:label>
<link:label id="lab_acb_OtherComprehensiveIncomeBeforeTaxUnrealizedGainsLossesFromInvestmentsInEquityInstruments_documentation_en-US" xlink:label="lab_acb_OtherComprehensiveIncomeBeforeTaxUnrealizedGainsLossesFromInvestmentsInEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Comprehensive Income, Before Tax, Unrealized Gains (Losses) From Investments In Equity Instruments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OtherComprehensiveIncomeBeforeTaxUnrealizedGainsLossesFromInvestmentsInEquityInstruments" xlink:href="acb-20210630.xsd#acb_OtherComprehensiveIncomeBeforeTaxUnrealizedGainsLossesFromInvestmentsInEquityInstruments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OtherComprehensiveIncomeBeforeTaxUnrealizedGainsLossesFromInvestmentsInEquityInstruments" xlink:to="lab_acb_OtherComprehensiveIncomeBeforeTaxUnrealizedGainsLossesFromInvestmentsInEquityInstruments" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_26c5468c-ba13-4b89-b530-861bd93c193b_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise of stock options (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_d69681fe-090f-49a7-8a9e-ac2463eb049c_negatedLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercised (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of share options exercised in share-based payment arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_InterestCostsCapitalised_325c612e-dfb1-4ad5-b2e8-32201ebb4718_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestCostsCapitalised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowing costs capitalized to construction in progress </link:label>
<link:label id="lab_ifrs-full_InterestCostsCapitalised_label_en-US" xlink:label="lab_ifrs-full_InterestCostsCapitalised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest costs capitalised </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestCostsCapitalised" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestCostsCapitalised"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestCostsCapitalised" xlink:to="lab_ifrs-full_InterestCostsCapitalised" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBiologicalAssetsExplanatory_8dcbc99f-3757-462d-9324-7a4239182774_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBiologicalAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Biological Assets </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForBiologicalAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBiologicalAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for biological assets [text block] </link:label>
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<link:label id="lab_acb_LatinAmericanCashGeneratingUnitMember_716c5561-7bc2-45b7-877b-ca2e2ab131d9_terseLabel_en-US" xlink:label="lab_acb_LatinAmericanCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Latin American CGU </link:label>
<link:label id="lab_acb_LatinAmericanCashGeneratingUnitMember_label_en-US" xlink:label="lab_acb_LatinAmericanCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Latin American Cash Generating Unit [Member] </link:label>
<link:label id="lab_acb_LatinAmericanCashGeneratingUnitMember_documentation_en-US" xlink:label="lab_acb_LatinAmericanCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Latin American Cash Generating Unit [Member] </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LatinAmericanCashGeneratingUnitMember" xlink:to="lab_acb_LatinAmericanCashGeneratingUnitMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForRestructuringProvisionPolicyTextBlock_493adc5d-4d5f-4b60-9ad5-ff089e75a367_terseLabel_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForRestructuringProvisionPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Provision </link:label>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForRestructuringProvisionPolicyTextBlock_label_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForRestructuringProvisionPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description Of Accounting Policy For Restructuring Provision [Policy Text Block] </link:label>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForRestructuringProvisionPolicyTextBlock_documentation_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForRestructuringProvisionPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description Of Accounting Policy For Restructuring Provision [Policy Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DescriptionOfAccountingPolicyForRestructuringProvisionPolicyTextBlock" xlink:href="acb-20210630.xsd#acb_DescriptionOfAccountingPolicyForRestructuringProvisionPolicyTextBlock"/>
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<link:label id="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_35654873-4ecf-40c0-89ea-d845bec52425_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Foreign exchange (“FX”) loss </link:label>
<link:label id="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Foreign exchange gain (loss) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss"/>
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<link:label id="lab_acb_DeferredTaxLiabilitiesDerivativesMember_c5dc1b34-46fa-40ff-addf-76e6afbe37d1_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivatives </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesDerivativesMember_label_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Derivatives [Member] </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesDerivativesMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Derivatives [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxLiabilitiesDerivativesMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxLiabilitiesDerivativesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxLiabilitiesDerivativesMember" xlink:to="lab_acb_DeferredTaxLiabilitiesDerivativesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfCommonSharePurchaseWarrantsPerUnitIssued_943f81c8-410c-4db7-b5ef-469e1d4da922_terseLabel_en-US" xlink:label="lab_acb_NumberOfCommonSharePurchaseWarrantsPerUnitIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of common share purchase warrants per unit issued (in shares) </link:label>
<link:label id="lab_acb_NumberOfCommonSharePurchaseWarrantsPerUnitIssued_label_en-US" xlink:label="lab_acb_NumberOfCommonSharePurchaseWarrantsPerUnitIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of Common Share Purchase Warrants per Unit Issued </link:label>
<link:label id="lab_acb_NumberOfCommonSharePurchaseWarrantsPerUnitIssued_documentation_en-US" xlink:label="lab_acb_NumberOfCommonSharePurchaseWarrantsPerUnitIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of Common Share Purchase Warrants per Unit Issued </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfCommonSharePurchaseWarrantsPerUnitIssued" xlink:href="acb-20210630.xsd#acb_NumberOfCommonSharePurchaseWarrantsPerUnitIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfCommonSharePurchaseWarrantsPerUnitIssued" xlink:to="lab_acb_NumberOfCommonSharePurchaseWarrantsPerUnitIssued" xlink:type="arc" order="1"/>
<link:label id="lab_acb_TwelveMonthFiscalPeriodEndingJune302021Member_e6d42c08-7707-46d7-ad87-67423a7c962e_terseLabel_en-US" xlink:label="lab_acb_TwelveMonthFiscalPeriodEndingJune302021Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Twelve month fiscal period ending June 30, 2021 </link:label>
<link:label id="lab_acb_TwelveMonthFiscalPeriodEndingJune302021Member_label_en-US" xlink:label="lab_acb_TwelveMonthFiscalPeriodEndingJune302021Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Twelve Month Fiscal Period Ending June 30, 2021 [Member] </link:label>
<link:label id="lab_acb_TwelveMonthFiscalPeriodEndingJune302021Member_documentation_en-US" xlink:label="lab_acb_TwelveMonthFiscalPeriodEndingJune302021Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Twelve Month Fiscal Period Ending June 30, 2021 [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TwelveMonthFiscalPeriodEndingJune302021Member" xlink:href="acb-20210630.xsd#acb_TwelveMonthFiscalPeriodEndingJune302021Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_TwelveMonthFiscalPeriodEndingJune302021Member" xlink:to="lab_acb_TwelveMonthFiscalPeriodEndingJune302021Member" xlink:type="arc" order="1"/>
<link:label id="lab_dei_DocumentFiscalYearFocus_9aa600e3-ca1a-43da-a4f7-eab9046f7054_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document Fiscal Year Focus </link:label>
<link:label id="lab_dei_DocumentFiscalYearFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document Fiscal Year Focus </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentFiscalYearFocus"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus" xlink:to="lab_dei_DocumentFiscalYearFocus" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsConvertibleRedemptionRatio_7b62ce89-dd7c-4a75-bd27-c38840670c74_terseLabel_en-US" xlink:label="lab_acb_BorrowingsConvertibleRedemptionRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion, dollar unit per redemption share </link:label>
<link:label id="lab_acb_BorrowingsConvertibleRedemptionRatio_label_en-US" xlink:label="lab_acb_BorrowingsConvertibleRedemptionRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Redemption, Ratio </link:label>
<link:label id="lab_acb_BorrowingsConvertibleRedemptionRatio_documentation_en-US" xlink:label="lab_acb_BorrowingsConvertibleRedemptionRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Redemption, Ratio </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsConvertibleRedemptionRatio" xlink:href="acb-20210630.xsd#acb_BorrowingsConvertibleRedemptionRatio"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsConvertibleRedemptionRatio" xlink:to="lab_acb_BorrowingsConvertibleRedemptionRatio" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfNonMaterialPriorPeriodErrorTableTextBlock_2ff01f01-8560-4f81-890b-863168ad6b9f_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfNonMaterialPriorPeriodErrorTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Non-Material Prior Period Error </link:label>
<link:label id="lab_acb_DisclosureOfNonMaterialPriorPeriodErrorTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfNonMaterialPriorPeriodErrorTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Non-Material Prior Period Error [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfNonMaterialPriorPeriodErrorTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfNonMaterialPriorPeriodErrorTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Non-Material Prior Period Error </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfNonMaterialPriorPeriodErrorTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfNonMaterialPriorPeriodErrorTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfNonMaterialPriorPeriodErrorTableTextBlock" xlink:to="lab_acb_DisclosureOfNonMaterialPriorPeriodErrorTableTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityCurrentReportingStatus_67be2816-a745-48ca-96cb-4aa3c7375185_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Current Reporting Status </link:label>
<link:label id="lab_dei_EntityCurrentReportingStatus_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Current Reporting Status </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityCurrentReportingStatus"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus" xlink:to="lab_dei_EntityCurrentReportingStatus" xlink:type="arc" order="1"/>
<link:label id="lab_acb_SensitivityOfFairValueMeasurementToChangesInUnobservableInputsAssetsTableTextBlock_6c96257d-3146-4e4e-9c7d-f424c84de1e0_terseLabel_en-US" xlink:label="lab_acb_SensitivityOfFairValueMeasurementToChangesInUnobservableInputsAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Significant Unobservable Assumptions Used in the Valuation of Biological Assets, Including Sensitivities </link:label>
<link:label id="lab_acb_SensitivityOfFairValueMeasurementToChangesInUnobservableInputsAssetsTableTextBlock_label_en-US" xlink:label="lab_acb_SensitivityOfFairValueMeasurementToChangesInUnobservableInputsAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Sensitivity Of Fair Value Measurement To Changes In Unobservable Inputs, Assets [Table Text Block] </link:label>
<link:label id="lab_acb_SensitivityOfFairValueMeasurementToChangesInUnobservableInputsAssetsTableTextBlock_documentation_en-US" xlink:label="lab_acb_SensitivityOfFairValueMeasurementToChangesInUnobservableInputsAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Sensitivity Of Fair Value Measurement To Changes In Unobservable Inputs, Assets [Table Text Block] </link:label>
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<link:label id="lab_ifrs-full_IssuesFairValueMeasurementLiabilities_8fb65966-c6ce-42da-af20-ab9e710bc057_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuesFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions </link:label>
<link:label id="lab_ifrs-full_IssuesFairValueMeasurementLiabilities_label_en-US" xlink:label="lab_ifrs-full_IssuesFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Issues, fair value measurement, liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuesFairValueMeasurementLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssuesFairValueMeasurementLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuesFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_IssuesFairValueMeasurementLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OtherComprehensiveIncome_83278aba-39f9-4669-9217-02b57e5aa5f3_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total other comprehensive loss </link:label>
<link:label id="lab_ifrs-full_OtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other comprehensive income </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncome" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncome"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncome" xlink:to="lab_ifrs-full_OtherComprehensiveIncome" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GainLossOnDebtSettlement_92989103-56f2-409a-aa83-8228e2607eba_terseLabel_en-US" xlink:label="lab_acb_GainLossOnDebtSettlement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss on debt settlement </link:label>
<link:label id="lab_acb_GainLossOnDebtSettlement_label_en-US" xlink:label="lab_acb_GainLossOnDebtSettlement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain (Loss) On Debt Settlement </link:label>
<link:label id="lab_acb_GainLossOnDebtSettlement_documentation_en-US" xlink:label="lab_acb_GainLossOnDebtSettlement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain (Loss) On Debt Settlement </link:label>
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<link:label id="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_f0163865-09cf-4089-97af-c236cce2044e_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Trade payables </link:label>
<link:label id="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current trade payables </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:to="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityBreakFeeDueMember_faa1d33b-ad3c-417e-94d7-9ec912a34943_terseLabel_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityBreakFeeDueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal proceedings contingent liability, break fee due </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityBreakFeeDueMember_label_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityBreakFeeDueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Break Fee Due [Member] </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityBreakFeeDueMember_documentation_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityBreakFeeDueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Break Fee Due </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LegalProceedingsContingentLiabilityBreakFeeDueMember" xlink:href="acb-20210630.xsd#acb_LegalProceedingsContingentLiabilityBreakFeeDueMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LegalProceedingsContingentLiabilityBreakFeeDueMember" xlink:to="lab_acb_LegalProceedingsContingentLiabilityBreakFeeDueMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AllLevelsOfFairValueHierarchyMember_0097acc7-2949-4ac9-aba5-157ba098d1a0_terseLabel_en-US" xlink:label="lab_ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> All levels of fair value hierarchy [member] </link:label>
<link:label id="lab_ifrs-full_AllLevelsOfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> All levels of fair value hierarchy [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AllLevelsOfFairValueHierarchyMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:to="lab_ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ContinuingAndDiscontinuedOperationsAxis_daf377f5-6205-4dc1-aa74-dad0badff39b_terseLabel_en-US" xlink:label="lab_ifrs-full_ContinuingAndDiscontinuedOperationsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Continuing and discontinued operations [axis] </link:label>
<link:label id="lab_ifrs-full_ContinuingAndDiscontinuedOperationsAxis_label_en-US" xlink:label="lab_ifrs-full_ContinuingAndDiscontinuedOperationsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Continuing and discontinued operations [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContinuingAndDiscontinuedOperationsAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ContinuingAndDiscontinuedOperationsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContinuingAndDiscontinuedOperationsAxis" xlink:to="lab_ifrs-full_ContinuingAndDiscontinuedOperationsAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxLiabilitiesConvertibleDebentureMember_7cb01357-5bd4-4d98-946f-e9be98f3349c_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesConvertibleDebentureMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible debenture </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesConvertibleDebentureMember_label_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesConvertibleDebentureMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Convertible Debenture [Member] </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesConvertibleDebentureMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesConvertibleDebentureMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Convertible Debenture [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxLiabilitiesConvertibleDebentureMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxLiabilitiesConvertibleDebentureMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxLiabilitiesConvertibleDebentureMember" xlink:to="lab_acb_DeferredTaxLiabilitiesConvertibleDebentureMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_VestingRequirementsForShareBasedPaymentArrangementVestingMultiplier_1c14be5b-0e5e-4886-a889-22ff9a7406b1_terseLabel_en-US" xlink:label="lab_acb_VestingRequirementsForShareBasedPaymentArrangementVestingMultiplier" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Vesting multiplier </link:label>
<link:label id="lab_acb_VestingRequirementsForShareBasedPaymentArrangementVestingMultiplier_label_en-US" xlink:label="lab_acb_VestingRequirementsForShareBasedPaymentArrangementVestingMultiplier" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Vesting Requirements For Share-Based Payment Arrangement, Vesting Multiplier </link:label>
<link:label id="lab_acb_VestingRequirementsForShareBasedPaymentArrangementVestingMultiplier_documentation_en-US" xlink:label="lab_acb_VestingRequirementsForShareBasedPaymentArrangementVestingMultiplier" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Vesting Requirements For Share-Based Payment Arrangement, Vesting Multiplier </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_VestingRequirementsForShareBasedPaymentArrangementVestingMultiplier" xlink:href="acb-20210630.xsd#acb_VestingRequirementsForShareBasedPaymentArrangementVestingMultiplier"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_VestingRequirementsForShareBasedPaymentArrangementVestingMultiplier" xlink:to="lab_acb_VestingRequirementsForShareBasedPaymentArrangementVestingMultiplier" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BorrowingsByNameAxis_4f03da9e-9e3b-4ee1-9d1c-811dc593a0f1_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings by name [axis] </link:label>
<link:label id="lab_ifrs-full_BorrowingsByNameAxis_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings by name [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BorrowingsByNameAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameAxis" xlink:to="lab_ifrs-full_BorrowingsByNameAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_fcb1c56d-ba54-4a4e-96a4-872433e90cce_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of share capital [axis] </link:label>
<link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of share capital [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ClassesOfShareCapitalAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:to="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets_50da7609-f266-4344-a18e-de01b2213979_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Foreign exchange loss </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets_306818ad-8f4b-48b9-8d30-49da9209254b_verboseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Foreign exchange gain </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) through foreign exchange, financial assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_201b2ce7-3bdc-45b3-adbe-398f1aaff43a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share Capital </link:label>
<link:label id="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of share capital, reserves and other equity interest [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:to="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_ebeec3b3-db3e-4132-bbc6-6449172407ec_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of financial position [abstract] </link:label>
<link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of financial position [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfFinancialPositionAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsExplanatory_147da320-e2ff-434a-b15d-59ff6f9982c4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Discontinued Operations </link:label>
<link:label id="lab_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of analysis of single amount of discontinued operations [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_6d41fd47-2aa1-4d51-902e-f0eaaeb1a336_negatedTerseLabel_en-US" xlink:label="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment of property, plant and equipment </link:label>
<link:label id="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_3900a9fb-3397-4403-9757-2729abf72a9b_terseLabel_en-US" xlink:label="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment of property, plant and equipment </link:label>
<link:label id="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_label_en-US" xlink:label="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment Loss (Reversal Of Impairment Loss) Recognised In Profit Or Loss, Property, Plant And Equipment </link:label>
<link:label id="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment Loss (Reversal Of Impairment Loss) Recognised In Profit Or Loss, Property, Plant And Equipment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:href="acb-20210630.xsd#acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:to="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsConvertibleThresholdDays_59401da5-938b-4e3a-9127-6441f8f9e78f_terseLabel_en-US" xlink:label="lab_acb_BorrowingsConvertibleThresholdDays" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Redemption, threshold days </link:label>
<link:label id="lab_acb_BorrowingsConvertibleThresholdDays_label_en-US" xlink:label="lab_acb_BorrowingsConvertibleThresholdDays" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Threshold Days </link:label>
<link:label id="lab_acb_BorrowingsConvertibleThresholdDays_documentation_en-US" xlink:label="lab_acb_BorrowingsConvertibleThresholdDays" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Threshold Days </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsConvertibleThresholdDays" xlink:href="acb-20210630.xsd#acb_BorrowingsConvertibleThresholdDays"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsConvertibleThresholdDays" xlink:to="lab_acb_BorrowingsConvertibleThresholdDays" xlink:type="arc" order="1"/>
<link:label id="lab_acb_JanuaryOfferingCommonStockMember_965c4b57-af2a-4bb2-b2c2-93830038f375_terseLabel_en-US" xlink:label="lab_acb_JanuaryOfferingCommonStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> January Offering, Common Stock </link:label>
<link:label id="lab_acb_JanuaryOfferingCommonStockMember_label_en-US" xlink:label="lab_acb_JanuaryOfferingCommonStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> January Offering, Common Stock [Member] </link:label>
<link:label id="lab_acb_JanuaryOfferingCommonStockMember_documentation_en-US" xlink:label="lab_acb_JanuaryOfferingCommonStockMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> January Offering, Common Stock </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_JanuaryOfferingCommonStockMember" xlink:href="acb-20210630.xsd#acb_JanuaryOfferingCommonStockMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_JanuaryOfferingCommonStockMember" xlink:to="lab_acb_JanuaryOfferingCommonStockMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GovernmentGrantsByTypeDomain_6dcdfde9-b083-49a4-8755-59cc65332b45_terseLabel_en-US" xlink:label="lab_acb_GovernmentGrantsByTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Government Grants By Type [Domain] </link:label>
<link:label id="lab_acb_GovernmentGrantsByTypeDomain_label_en-US" xlink:label="lab_acb_GovernmentGrantsByTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Government Grants By Type [Domain] </link:label>
<link:label id="lab_acb_GovernmentGrantsByTypeDomain_documentation_en-US" xlink:label="lab_acb_GovernmentGrantsByTypeDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Government Grants By Type [Domain] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GovernmentGrantsByTypeDomain" xlink:href="acb-20210630.xsd#acb_GovernmentGrantsByTypeDomain"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_GovernmentGrantsByTypeDomain" xlink:to="lab_acb_GovernmentGrantsByTypeDomain" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GovernmentGrantsAbstract_label_en-US" xlink:label="lab_acb_GovernmentGrantsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Government Grants [Abstract] </link:label>
<link:label id="lab_acb_GovernmentGrantsAbstract_documentation_en-US" xlink:label="lab_acb_GovernmentGrantsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Government Grants [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GovernmentGrantsAbstract" xlink:href="acb-20210630.xsd#acb_GovernmentGrantsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_GovernmentGrantsAbstract" xlink:to="lab_acb_GovernmentGrantsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_03e1f927-ca46-47d2-97ba-945614716fbb_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of property, plant and equipment [axis] </link:label>
<link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of property, plant and equipment [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_588f9932-5ae0-4997-8d3d-f3e4b1b53788_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of classes of share capital [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of classes of share capital [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_MaturityAxis_5f9ed997-50e6-4019-9658-e17d02619b36_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Maturity [axis] </link:label>
<link:label id="lab_ifrs-full_MaturityAxis_label_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Maturity [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_MaturityAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAxis" xlink:to="lab_ifrs-full_MaturityAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AmountsReceivableMaturityPeriod_3b5dff3c-1974-4e99-b6b9-92e9d00f115f_terseLabel_en-US" xlink:label="lab_acb_AmountsReceivableMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts receivable, maturity period </link:label>
<link:label id="lab_acb_AmountsReceivableMaturityPeriod_label_en-US" xlink:label="lab_acb_AmountsReceivableMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts Receivable, Maturity Period </link:label>
<link:label id="lab_acb_AmountsReceivableMaturityPeriod_documentation_en-US" xlink:label="lab_acb_AmountsReceivableMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts Receivable, Maturity Period </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AmountsReceivableMaturityPeriod" xlink:href="acb-20210630.xsd#acb_AmountsReceivableMaturityPeriod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AmountsReceivableMaturityPeriod" xlink:to="lab_acb_AmountsReceivableMaturityPeriod" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InterestAndOtherIncome_ee36dc1b-26ab-4f43-8ba7-33161b931c05_terseLabel_en-US" xlink:label="lab_acb_InterestAndOtherIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest and other income </link:label>
<link:label id="lab_acb_InterestAndOtherIncome_label_en-US" xlink:label="lab_acb_InterestAndOtherIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest And Other Income </link:label>
<link:label id="lab_acb_InterestAndOtherIncome_documentation_en-US" xlink:label="lab_acb_InterestAndOtherIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest And Other Income </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InterestAndOtherIncome" xlink:href="acb-20210630.xsd#acb_InterestAndOtherIncome"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InterestAndOtherIncome" xlink:to="lab_acb_InterestAndOtherIncome" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProductsAndServicesAxis_82d057f0-6451-4263-a8ab-f9c17de32593_terseLabel_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Products and services [axis] </link:label>
<link:label id="lab_ifrs-full_ProductsAndServicesAxis_label_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Products and services [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProductsAndServicesAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProductsAndServicesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProductsAndServicesAxis" xlink:to="lab_ifrs-full_ProductsAndServicesAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory_de5adf46-7f02-45d7-adad-b21b8f5fcaae_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Business Combinations </link:label>
<link:label id="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of business combinations [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfBusinessCombinationsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBusinessCombinationsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdjustmentsForDeferredTaxExpense_ae379e49-5d46-427f-911d-8c4f5fb81ee2_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred tax expense (recovery) </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForDeferredTaxExpense_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for deferred tax expense </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDeferredTaxExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:to="lab_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BrokerageFeeExpense_6cccddc1-d203-4c49-b811-3e071e4c27c6_terseLabel_en-US" xlink:label="lab_ifrs-full_BrokerageFeeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Commission </link:label>
<link:label id="lab_ifrs-full_BrokerageFeeExpense_label_en-US" xlink:label="lab_ifrs-full_BrokerageFeeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Brokerage fee expense </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BrokerageFeeExpense" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BrokerageFeeExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BrokerageFeeExpense" xlink:to="lab_ifrs-full_BrokerageFeeExpense" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ProceedsFromIssuingSharesAmountAllocatedToWarrantDerivativeLiabilities_438f9e5e-790e-426c-a338-7a6aa59dcec1_terseLabel_en-US" xlink:label="lab_acb_ProceedsFromIssuingSharesAmountAllocatedToWarrantDerivativeLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shares issued for cash, net of share issue costs, amount allocated to warrant derivative liabilities </link:label>
<link:label id="lab_acb_ProceedsFromIssuingSharesAmountAllocatedToWarrantDerivativeLiabilities_label_en-US" xlink:label="lab_acb_ProceedsFromIssuingSharesAmountAllocatedToWarrantDerivativeLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds From Issuing Shares, Amount Allocated To Warrant Derivative Liabilities </link:label>
<link:label id="lab_acb_ProceedsFromIssuingSharesAmountAllocatedToWarrantDerivativeLiabilities_documentation_en-US" xlink:label="lab_acb_ProceedsFromIssuingSharesAmountAllocatedToWarrantDerivativeLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds From Issuing Shares, Amount Allocated To Warrant Derivative Liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ProceedsFromIssuingSharesAmountAllocatedToWarrantDerivativeLiabilities" xlink:href="acb-20210630.xsd#acb_ProceedsFromIssuingSharesAmountAllocatedToWarrantDerivativeLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ProceedsFromIssuingSharesAmountAllocatedToWarrantDerivativeLiabilities" xlink:to="lab_acb_ProceedsFromIssuingSharesAmountAllocatedToWarrantDerivativeLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityAddressCityOrTown_017be3f1-6631-4180-9cdc-d569bc1e95bf_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Address, City or Town </link:label>
<link:label id="lab_dei_EntityAddressCityOrTown_label_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Address, City or Town </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressCityOrTown"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCityOrTown" xlink:to="lab_dei_EntityAddressCityOrTown" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NotesAndDebenturesIssued_ed75383a-9598-4954-85fc-b86a5590d639_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NotesAndDebenturesIssued" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Beginning balance </link:label>
<link:label id="lab_ifrs-full_NotesAndDebenturesIssued_c426fc5e-a4fb-4506-93e2-8d891a358b22_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NotesAndDebenturesIssued" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ending balance </link:label>
<link:label id="lab_ifrs-full_NotesAndDebenturesIssued_label_en-US" xlink:label="lab_ifrs-full_NotesAndDebenturesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Notes and debentures issued </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotesAndDebenturesIssued" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NotesAndDebenturesIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotesAndDebenturesIssued" xlink:to="lab_ifrs-full_NotesAndDebenturesIssued" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GoodwillMember_d751bae1-4ff8-49ef-9a32-172ce5c4d44b_terseLabel_en-US" xlink:label="lab_ifrs-full_GoodwillMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill </link:label>
<link:label id="lab_ifrs-full_GoodwillMember_label_en-US" xlink:label="lab_ifrs-full_GoodwillMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GoodwillMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GoodwillMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GoodwillMember" xlink:to="lab_ifrs-full_GoodwillMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AtTheMarketProgramAmountRemaining_0a8cf97c-8d87-44c2-9e11-13fb47443dd9_terseLabel_en-US" xlink:label="lab_acb_AtTheMarketProgramAmountRemaining" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> ATM supplement, amount remaining </link:label>
<link:label id="lab_acb_AtTheMarketProgramAmountRemaining_label_en-US" xlink:label="lab_acb_AtTheMarketProgramAmountRemaining" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> At-The-Market Program, Amount Remaining </link:label>
<link:label id="lab_acb_AtTheMarketProgramAmountRemaining_documentation_en-US" xlink:label="lab_acb_AtTheMarketProgramAmountRemaining" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> At-The-Market Program, Amount Remaining </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AtTheMarketProgramAmountRemaining" xlink:href="acb-20210630.xsd#acb_AtTheMarketProgramAmountRemaining"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AtTheMarketProgramAmountRemaining" xlink:to="lab_acb_AtTheMarketProgramAmountRemaining" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfPropertiesListedForSale_678a9a90-c121-4c16-a7e6-5426016e0377_terseLabel_en-US" xlink:label="lab_acb_NumberOfPropertiesListedForSale" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of properties listed for sale </link:label>
<link:label id="lab_acb_NumberOfPropertiesListedForSale_label_en-US" xlink:label="lab_acb_NumberOfPropertiesListedForSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Properties Listed For Sale </link:label>
<link:label id="lab_acb_NumberOfPropertiesListedForSale_documentation_en-US" xlink:label="lab_acb_NumberOfPropertiesListedForSale" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Properties Listed For Sale </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfPropertiesListedForSale" xlink:href="acb-20210630.xsd#acb_NumberOfPropertiesListedForSale"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfPropertiesListedForSale" xlink:to="lab_acb_NumberOfPropertiesListedForSale" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureofInterestsinAssociatesandJointVenturesTextBlock_e7039c07-1cfa-4613-a9eb-2abfe3e6a677_terseLabel_en-US" xlink:label="lab_acb_DisclosureofInterestsinAssociatesandJointVenturesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments in Associates and Joint Ventures </link:label>
<link:label id="lab_acb_DisclosureofInterestsinAssociatesandJointVenturesTextBlock_label_en-US" xlink:label="lab_acb_DisclosureofInterestsinAssociatesandJointVenturesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of Interests in Associates and Joint Ventures [Text Block] </link:label>
<link:label id="lab_acb_DisclosureofInterestsinAssociatesandJointVenturesTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureofInterestsinAssociatesandJointVenturesTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of Interests in Associates and Joint Ventures [Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureofInterestsinAssociatesandJointVenturesTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureofInterestsinAssociatesandJointVenturesTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureofInterestsinAssociatesandJointVenturesTextBlock" xlink:to="lab_acb_DisclosureofInterestsinAssociatesandJointVenturesTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AsOfJune302021Member_1537ee0b-49d9-4b3f-84a6-dc32ddd87ba6_terseLabel_en-US" xlink:label="lab_acb_AsOfJune302021Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> At June 30, 2021 </link:label>
<link:label id="lab_acb_AsOfJune302021Member_label_en-US" xlink:label="lab_acb_AsOfJune302021Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> As Of June 30, 2021 [Member] </link:label>
<link:label id="lab_acb_AsOfJune302021Member_documentation_en-US" xlink:label="lab_acb_AsOfJune302021Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> As Of June 30, 2021 [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AsOfJune302021Member" xlink:href="acb-20210630.xsd#acb_AsOfJune302021Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AsOfJune302021Member" xlink:to="lab_acb_AsOfJune302021Member" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DebtInstrumentCovenantPeriodAxis_cc8550dd-a365-4e1b-ade8-2b536e1983b6_terseLabel_en-US" xlink:label="lab_acb_DebtInstrumentCovenantPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Instrument, Covenant, Period [Axis] </link:label>
<link:label id="lab_acb_DebtInstrumentCovenantPeriodAxis_label_en-US" xlink:label="lab_acb_DebtInstrumentCovenantPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Instrument, Covenant, Period [Axis] </link:label>
<link:label id="lab_acb_DebtInstrumentCovenantPeriodAxis_documentation_en-US" xlink:label="lab_acb_DebtInstrumentCovenantPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Instrument, Covenant, Period [Axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DebtInstrumentCovenantPeriodAxis" xlink:href="acb-20210630.xsd#acb_DebtInstrumentCovenantPeriodAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DebtInstrumentCovenantPeriodAxis" xlink:to="lab_acb_DebtInstrumentCovenantPeriodAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod_759ebdcb-a393-4e6c-bc58-cbe8208653f8_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from disposal of investment in associates </link:label>
<link:label id="lab_ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from sales of investments accounted for using equity method </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AverageSharePrice_4e8387a2-fddd-4c3a-af20-214da33f9ab3_terseLabel_en-US" xlink:label="lab_acb_AverageSharePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Average share price (in CAD per share) </link:label>
<link:label id="lab_acb_AverageSharePrice_label_en-US" xlink:label="lab_acb_AverageSharePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Average Share Price </link:label>
<link:label id="lab_acb_AverageSharePrice_documentation_en-US" xlink:label="lab_acb_AverageSharePrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Average Share Price </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AverageSharePrice" xlink:href="acb-20210630.xsd#acb_AverageSharePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AverageSharePrice" xlink:to="lab_acb_AverageSharePrice" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForRecentAccountingPronouncementsPolicyTextBlock_1dd7c0ef-9c00-4e5c-9b8d-09ccef3d60b7_terseLabel_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForRecentAccountingPronouncementsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adoption of New Accounting Pronouncements </link:label>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForRecentAccountingPronouncementsPolicyTextBlock_label_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForRecentAccountingPronouncementsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description Of Accounting Policy For Recent Accounting Pronouncements [Policy Text Block] </link:label>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForRecentAccountingPronouncementsPolicyTextBlock_documentation_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForRecentAccountingPronouncementsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description Of Accounting Policy For Recent Accounting Pronouncements [Policy Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DescriptionOfAccountingPolicyForRecentAccountingPronouncementsPolicyTextBlock" xlink:href="acb-20210630.xsd#acb_DescriptionOfAccountingPolicyForRecentAccountingPronouncementsPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DescriptionOfAccountingPolicyForRecentAccountingPronouncementsPolicyTextBlock" xlink:to="lab_acb_DescriptionOfAccountingPolicyForRecentAccountingPronouncementsPolicyTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsMaturityTerm_4aaaa567-42e6-4a53-a218-c2cb4d720928_terseLabel_en-US" xlink:label="lab_acb_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings maturity, term </link:label>
<link:label id="lab_acb_BorrowingsMaturityTerm_label_en-US" xlink:label="lab_acb_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings Maturity, Term </link:label>
<link:label id="lab_acb_BorrowingsMaturityTerm_documentation_en-US" xlink:label="lab_acb_BorrowingsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings Maturity, Term </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsMaturityTerm" xlink:href="acb-20210630.xsd#acb_BorrowingsMaturityTerm"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsMaturityTerm" xlink:to="lab_acb_BorrowingsMaturityTerm" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsConvertibleConversionPrice_7639adc8-cd34-4142-8396-525b86c9ce97_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsConvertibleConversionPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion price (in CAD per share) </link:label>
<link:label id="lab_acb_FinancialAssetsConvertibleConversionPrice_label_en-US" xlink:label="lab_acb_FinancialAssetsConvertibleConversionPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Convertible, Conversion Price </link:label>
<link:label id="lab_acb_FinancialAssetsConvertibleConversionPrice_documentation_en-US" xlink:label="lab_acb_FinancialAssetsConvertibleConversionPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Convertible, Conversion Price </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsConvertibleConversionPrice" xlink:href="acb-20210630.xsd#acb_FinancialAssetsConvertibleConversionPrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsConvertibleConversionPrice" xlink:to="lab_acb_FinancialAssetsConvertibleConversionPrice" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities_75c176c7-a156-4c3e-9034-2b1ce19a51ae_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest payments </link:label>
<link:label id="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities_8f4a551f-4b24-411e-af8d-77bdd76a0170_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest paid </link:label>
<link:label id="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest paid, classified as operating activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestPaidClassifiedAsOperatingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ProportionOfOwnershipInterestInInvestmentPercentageRestriction_3766669c-3be2-4a79-a4d8-66e3b6d1bebd_terseLabel_en-US" xlink:label="lab_acb_ProportionOfOwnershipInterestInInvestmentPercentageRestriction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proportion of ownership interest in investment, percentage restriction </link:label>
<link:label id="lab_acb_ProportionOfOwnershipInterestInInvestmentPercentageRestriction_label_en-US" xlink:label="lab_acb_ProportionOfOwnershipInterestInInvestmentPercentageRestriction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proportion Of Ownership Interest In Investment, Percentage Restriction </link:label>
<link:label id="lab_acb_ProportionOfOwnershipInterestInInvestmentPercentageRestriction_documentation_en-US" xlink:label="lab_acb_ProportionOfOwnershipInterestInInvestmentPercentageRestriction" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proportion Of Ownership Interest In Investment, Percentage Restriction </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ProportionOfOwnershipInterestInInvestmentPercentageRestriction" xlink:href="acb-20210630.xsd#acb_ProportionOfOwnershipInterestInInvestmentPercentageRestriction"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ProportionOfOwnershipInterestInInvestmentPercentageRestriction" xlink:to="lab_acb_ProportionOfOwnershipInterestInInvestmentPercentageRestriction" xlink:type="arc" order="1"/>
<link:label id="lab_acb_EuropeanUnionMember_555b119b-e7b5-415e-8e0e-a666033e37c7_terseLabel_en-US" xlink:label="lab_acb_EuropeanUnionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> European Union </link:label>
<link:label id="lab_acb_EuropeanUnionMember_label_en-US" xlink:label="lab_acb_EuropeanUnionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> European Union [Member] </link:label>
<link:label id="lab_acb_EuropeanUnionMember_documentation_en-US" xlink:label="lab_acb_EuropeanUnionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> European Union [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_EuropeanUnionMember" xlink:href="acb-20210630.xsd#acb_EuropeanUnionMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_EuropeanUnionMember" xlink:to="lab_acb_EuropeanUnionMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ClassesOfLiabilitiesAxis_11d39ffb-35d7-49a3-8e13-93486167b828_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of liabilities [axis] </link:label>
<link:label id="lab_ifrs-full_ClassesOfLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of liabilities [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfLiabilitiesAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ClassesOfLiabilitiesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfLiabilitiesAxis" xlink:type="arc" order="1"/>
<link:label id="lab_dei_BusinessContactMember_575b2a75-d899-4393-95c1-1219db45dab9_terseLabel_en-US" xlink:label="lab_dei_BusinessContactMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Business Contact </link:label>
<link:label id="lab_dei_BusinessContactMember_label_en-US" xlink:label="lab_dei_BusinessContactMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Business Contact [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_BusinessContactMember" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_BusinessContactMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_BusinessContactMember" xlink:to="lab_dei_BusinessContactMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_SharecapitalreservesandotherequityinterestAbstract_4a7839a4-9eeb-4f1a-8aca-3bf64f065e21_terseLabel_en-US" xlink:label="lab_acb_SharecapitalreservesandotherequityinterestAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share capital, reserves and other equity interest [Abstract] </link:label>
<link:label id="lab_acb_SharecapitalreservesandotherequityinterestAbstract_label_en-US" xlink:label="lab_acb_SharecapitalreservesandotherequityinterestAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share capital, reserves and other equity interest [Abstract] </link:label>
<link:label id="lab_acb_SharecapitalreservesandotherequityinterestAbstract_documentation_en-US" xlink:label="lab_acb_SharecapitalreservesandotherequityinterestAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share capital, reserves and other equity interest [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_SharecapitalreservesandotherequityinterestAbstract" xlink:href="acb-20210630.xsd#acb_SharecapitalreservesandotherequityinterestAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_SharecapitalreservesandotherequityinterestAbstract" xlink:to="lab_acb_SharecapitalreservesandotherequityinterestAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_EntitysTotalForSubsidiariesMember_65aa0132-6346-4c49-960a-21978e081f77_terseLabel_en-US" xlink:label="lab_ifrs-full_EntitysTotalForSubsidiariesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity's total for subsidiaries [member] </link:label>
<link:label id="lab_ifrs-full_EntitysTotalForSubsidiariesMember_label_en-US" xlink:label="lab_ifrs-full_EntitysTotalForSubsidiariesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity's total for subsidiaries [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EntitysTotalForSubsidiariesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EntitysTotalForSubsidiariesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EntitysTotalForSubsidiariesMember" xlink:to="lab_ifrs-full_EntitysTotalForSubsidiariesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncome_f175262a-2ac8-44ca-912d-127955c54c01_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accumulated other comprehensive loss </link:label>
<link:label id="lab_ifrs-full_AccumulatedOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accumulated other comprehensive income </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AccumulatedOtherComprehensiveIncome"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:to="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_2ba830f8-cecd-47a3-9f81-30529c1d1d4d_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of other equity instruments outstanding in share-based payment arrangement (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_444dd481-8007-48ec-bb16-3139f5161f41_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> RSUs and DSUs outstanding, beginning (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_0337e798-1a32-4469-9e55-886be87e89e4_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> RSUs and DSUs outstanding, ending (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_f465ee78-5fad-46ce-a391-174704e4ee8d_verboseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Outstanding (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of other equity instruments outstanding in share-based payment arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_EntitysTotalForAssociatesMember_be330400-d8d7-49bd-b7e1-84a26b25c5f1_terseLabel_en-US" xlink:label="lab_ifrs-full_EntitysTotalForAssociatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity's total for associates [member] </link:label>
<link:label id="lab_ifrs-full_EntitysTotalForAssociatesMember_label_en-US" xlink:label="lab_ifrs-full_EntitysTotalForAssociatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity's total for associates [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EntitysTotalForAssociatesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EntitysTotalForAssociatesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EntitysTotalForAssociatesMember" xlink:to="lab_ifrs-full_EntitysTotalForAssociatesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdjustmentsForInterestIncome_1d19f142-794b-4649-9323-7a19cbb9db24_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForInterestIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest and other income </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForInterestIncome_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForInterestIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for interest income </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForInterestIncome" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForInterestIncome"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForInterestIncome" xlink:to="lab_ifrs-full_AdjustmentsForInterestIncome" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ComponentsOfEquityAxis_bb8f591f-7339-4102-b8a2-37d62b016931_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Components of equity [axis] </link:label>
<link:label id="lab_ifrs-full_ComponentsOfEquityAxis_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Components of equity [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComponentsOfEquityAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="lab_ifrs-full_ComponentsOfEquityAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesAxis_a68da53d-c15b-4ad8-b6f1-cdf6441d2cc5_terseLabel_en-US" xlink:label="lab_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges of Exercise Prices for Other Equity Instruments Outstanding Shares [Axis] </link:label>
<link:label id="lab_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesAxis_label_en-US" xlink:label="lab_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges of Exercise Prices for Other Equity Instruments Outstanding Shares [Axis] </link:label>
<link:label id="lab_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesAxis_documentation_en-US" xlink:label="lab_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges of Exercise Prices for Other Equity Instruments Outstanding Shares </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesAxis" xlink:href="acb-20210630.xsd#acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesAxis" xlink:to="lab_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NovemberUnitOfferingOverAllotmentMember_c17303a7-c674-4ef4-bd62-13105e3b4baf_terseLabel_en-US" xlink:label="lab_acb_NovemberUnitOfferingOverAllotmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November Unit Offering, Over-Allotment </link:label>
<link:label id="lab_acb_NovemberUnitOfferingOverAllotmentMember_label_en-US" xlink:label="lab_acb_NovemberUnitOfferingOverAllotmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November Unit Offering, Over-Allotment [Member] </link:label>
<link:label id="lab_acb_NovemberUnitOfferingOverAllotmentMember_documentation_en-US" xlink:label="lab_acb_NovemberUnitOfferingOverAllotmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November Unit Offering, Over-Allotment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NovemberUnitOfferingOverAllotmentMember" xlink:href="acb-20210630.xsd#acb_NovemberUnitOfferingOverAllotmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NovemberUnitOfferingOverAllotmentMember" xlink:to="lab_acb_NovemberUnitOfferingOverAllotmentMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember_00ad051f-c682-476a-9c53-0003786afe8b_verboseLabel_en-US" xlink:label="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer relationships </link:label>
<link:label id="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember_label_en-US" xlink:label="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer-related intangible assets [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CustomerrelatedIntangibleAssetsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:to="lab_ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_03b7c78d-d12e-41b5-a5b0-5fc5a165a538_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Foreign Currency Translation </link:label>
<link:label id="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reserve of exchange differences on translation [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:to="lab_ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InvesteeCMember_f5f9020d-5ac3-466d-b9f2-8e98d8a10f08_terseLabel_en-US" xlink:label="lab_acb_InvesteeCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investee-C </link:label>
<link:label id="lab_acb_InvesteeCMember_label_en-US" xlink:label="lab_acb_InvesteeCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investee-C [Member] </link:label>
<link:label id="lab_acb_InvesteeCMember_documentation_en-US" xlink:label="lab_acb_InvesteeCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investee-C </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InvesteeCMember" xlink:href="acb-20210630.xsd#acb_InvesteeCMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InvesteeCMember" xlink:to="lab_acb_InvesteeCMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfBusinessesAcquired_269dfc5e-6f69-46e3-8cbc-759ce5e786bc_terseLabel_en-US" xlink:label="lab_acb_NumberOfBusinessesAcquired" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of businesses acquired </link:label>
<link:label id="lab_acb_NumberOfBusinessesAcquired_label_en-US" xlink:label="lab_acb_NumberOfBusinessesAcquired" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Businesses Acquired </link:label>
<link:label id="lab_acb_NumberOfBusinessesAcquired_documentation_en-US" xlink:label="lab_acb_NumberOfBusinessesAcquired" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Businesses Acquired </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfBusinessesAcquired" xlink:href="acb-20210630.xsd#acb_NumberOfBusinessesAcquired"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfBusinessesAcquired" xlink:to="lab_acb_NumberOfBusinessesAcquired" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfInformationAboutAgriculturalProduceTable_364e9f6e-2a76-4382-8452-84376b4fe9de_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutAgriculturalProduceTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of information about agricultural produce [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfInformationAboutAgriculturalProduceTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutAgriculturalProduceTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of information about agricultural produce [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutAgriculturalProduceTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfInformationAboutAgriculturalProduceTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationAboutAgriculturalProduceTable" xlink:to="lab_ifrs-full_DisclosureOfInformationAboutAgriculturalProduceTable" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AmortizationOfPrepaids_69b223b9-7e1e-40d2-b7be-9c2eaa45651b_terseLabel_en-US" xlink:label="lab_acb_AmortizationOfPrepaids" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amortization of prepaids </link:label>
<link:label id="lab_acb_AmortizationOfPrepaids_label_en-US" xlink:label="lab_acb_AmortizationOfPrepaids" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amortization Of Prepaids </link:label>
<link:label id="lab_acb_AmortizationOfPrepaids_documentation_en-US" xlink:label="lab_acb_AmortizationOfPrepaids" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amortization Of Prepaids </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AmortizationOfPrepaids" xlink:href="acb-20210630.xsd#acb_AmortizationOfPrepaids"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AmortizationOfPrepaids" xlink:to="lab_acb_AmortizationOfPrepaids" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AccountingProfit_5ac1cc39-9be7-49b3-923e-d5b13dfb3049_terseLabel_en-US" xlink:label="lab_ifrs-full_AccountingProfit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss from operations before taxes and discontinued operations </link:label>
<link:label id="lab_ifrs-full_AccountingProfit_label_en-US" xlink:label="lab_ifrs-full_AccountingProfit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounting profit </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccountingProfit" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AccountingProfit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccountingProfit" xlink:to="lab_ifrs-full_AccountingProfit" xlink:type="arc" order="1"/>
<link:label id="lab_acb_TypesOfShareCapitalOfferingNameAxis_045ec0a6-92dc-4dd4-b52d-2e300cfc2bc3_terseLabel_en-US" xlink:label="lab_acb_TypesOfShareCapitalOfferingNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Types of Share Capital Offering, Name [Axis] </link:label>
<link:label id="lab_acb_TypesOfShareCapitalOfferingNameAxis_label_en-US" xlink:label="lab_acb_TypesOfShareCapitalOfferingNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Types of Share Capital Offering, Name [Axis] </link:label>
<link:label id="lab_acb_TypesOfShareCapitalOfferingNameAxis_documentation_en-US" xlink:label="lab_acb_TypesOfShareCapitalOfferingNameAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Types of Share Capital Offering, Name </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TypesOfShareCapitalOfferingNameAxis" xlink:href="acb-20210630.xsd#acb_TypesOfShareCapitalOfferingNameAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_TypesOfShareCapitalOfferingNameAxis" xlink:to="lab_acb_TypesOfShareCapitalOfferingNameAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CanadianCannabisCashGeneratingUnitMember_c6a7c22c-9afa-4d9e-98ac-8e9d1026bf33_terseLabel_en-US" xlink:label="lab_acb_CanadianCannabisCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canadian Cannabis CGU </link:label>
<link:label id="lab_acb_CanadianCannabisCashGeneratingUnitMember_label_en-US" xlink:label="lab_acb_CanadianCannabisCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canadian Cannabis Cash Generating Unit [Member] </link:label>
<link:label id="lab_acb_CanadianCannabisCashGeneratingUnitMember_documentation_en-US" xlink:label="lab_acb_CanadianCannabisCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canadian Cannabis Cash Generating Unit [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CanadianCannabisCashGeneratingUnitMember" xlink:href="acb-20210630.xsd#acb_CanadianCannabisCashGeneratingUnitMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CanadianCannabisCashGeneratingUnitMember" xlink:to="lab_acb_CanadianCannabisCashGeneratingUnitMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CreditFacilityAMember_6a996197-7df1-450c-a632-a54d604226a4_terseLabel_en-US" xlink:label="lab_acb_CreditFacilityAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Facility A </link:label>
<link:label id="lab_acb_CreditFacilityAMember_label_en-US" xlink:label="lab_acb_CreditFacilityAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit Facility A [Member] </link:label>
<link:label id="lab_acb_CreditFacilityAMember_documentation_en-US" xlink:label="lab_acb_CreditFacilityAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit Facility A [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CreditFacilityAMember" xlink:href="acb-20210630.xsd#acb_CreditFacilityAMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CreditFacilityAMember" xlink:to="lab_acb_CreditFacilityAMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory_642c079d-9778-4cbe-a2b1-8a62551a3778_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of Investment in Associates </link:label>
<link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of associates [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AssetAcquisitionDomain_1bd2c1e6-7e40-4cac-b060-f08e66fd3187_terseLabel_en-US" xlink:label="lab_acb_AssetAcquisitionDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Asset Acquisition [Domain] </link:label>
<link:label id="lab_acb_AssetAcquisitionDomain_label_en-US" xlink:label="lab_acb_AssetAcquisitionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Asset Acquisition [Domain] </link:label>
<link:label id="lab_acb_AssetAcquisitionDomain_documentation_en-US" xlink:label="lab_acb_AssetAcquisitionDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> [Domain] for Asset Acquisition [Axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AssetAcquisitionDomain" xlink:href="acb-20210630.xsd#acb_AssetAcquisitionDomain"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AssetAcquisitionDomain" xlink:to="lab_acb_AssetAcquisitionDomain" xlink:type="arc" order="1"/>
<link:label id="lab_acb_MaximumNumberOfSharesIssuablePursuantToCompensationArrangementsPercentageOfTotalOutstandingShares_3f0b0214-2a09-4a3b-bf56-44e2527e347d_terseLabel_en-US" xlink:label="lab_acb_MaximumNumberOfSharesIssuablePursuantToCompensationArrangementsPercentageOfTotalOutstandingShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Percentage of common shares issuable pursuant to compensation arrangements (shall not exceed) </link:label>
<link:label id="lab_acb_MaximumNumberOfSharesIssuablePursuantToCompensationArrangementsPercentageOfTotalOutstandingShares_label_en-US" xlink:label="lab_acb_MaximumNumberOfSharesIssuablePursuantToCompensationArrangementsPercentageOfTotalOutstandingShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Maximum Number Of Shares Issuable Pursuant To Compensation Arrangements, Percentage Of Total Outstanding Shares </link:label>
<link:label id="lab_acb_MaximumNumberOfSharesIssuablePursuantToCompensationArrangementsPercentageOfTotalOutstandingShares_documentation_en-US" xlink:label="lab_acb_MaximumNumberOfSharesIssuablePursuantToCompensationArrangementsPercentageOfTotalOutstandingShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Maximum Number Of Shares Issuable Pursuant To Compensation Arrangements, Percentage Of Total Outstanding Shares </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_MaximumNumberOfSharesIssuablePursuantToCompensationArrangementsPercentageOfTotalOutstandingShares" xlink:href="acb-20210630.xsd#acb_MaximumNumberOfSharesIssuablePursuantToCompensationArrangementsPercentageOfTotalOutstandingShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_MaximumNumberOfSharesIssuablePursuantToCompensationArrangementsPercentageOfTotalOutstandingShares" xlink:to="lab_acb_MaximumNumberOfSharesIssuablePursuantToCompensationArrangementsPercentageOfTotalOutstandingShares" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_702559a5-81e6-44a9-b53a-9b4399cbc546_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of nature and extent of risks arising from financial instruments [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of nature and extent of risks arising from financial instruments [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ReserveForDeferredTaxesMember_2b767bcf-2d34-4cde-b2dd-093c0a746333_terseLabel_en-US" xlink:label="lab_acb_ReserveForDeferredTaxesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax </link:label>
<link:label id="lab_acb_ReserveForDeferredTaxesMember_label_en-US" xlink:label="lab_acb_ReserveForDeferredTaxesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reserve For Deferred Taxes [Member] </link:label>
<link:label id="lab_acb_ReserveForDeferredTaxesMember_documentation_en-US" xlink:label="lab_acb_ReserveForDeferredTaxesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reserve For Deferred Taxes [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ReserveForDeferredTaxesMember" xlink:href="acb-20210630.xsd#acb_ReserveForDeferredTaxesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ReserveForDeferredTaxesMember" xlink:to="lab_acb_ReserveForDeferredTaxesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AnalyticalTestingCashGeneratingUnitMember_36649bf6-0e0f-4d4e-8b63-4213bffe8e96_terseLabel_en-US" xlink:label="lab_acb_AnalyticalTestingCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Analytical Testing CGU </link:label>
<link:label id="lab_acb_AnalyticalTestingCashGeneratingUnitMember_label_en-US" xlink:label="lab_acb_AnalyticalTestingCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Analytical Testing Cash Generating Unit [Member] </link:label>
<link:label id="lab_acb_AnalyticalTestingCashGeneratingUnitMember_documentation_en-US" xlink:label="lab_acb_AnalyticalTestingCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Analytical Testing Cash Generating Unit [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AnalyticalTestingCashGeneratingUnitMember" xlink:href="acb-20210630.xsd#acb_AnalyticalTestingCashGeneratingUnitMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AnalyticalTestingCashGeneratingUnitMember" xlink:to="lab_acb_AnalyticalTestingCashGeneratingUnitMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RestructuringProvision_c3bbdf0f-8f95-4e10-aaee-a49410229651_terseLabel_en-US" xlink:label="lab_ifrs-full_RestructuringProvision" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring provision </link:label>
<link:label id="lab_ifrs-full_RestructuringProvision_label_en-US" xlink:label="lab_ifrs-full_RestructuringProvision" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring provision </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RestructuringProvision" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RestructuringProvision"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RestructuringProvision" xlink:to="lab_ifrs-full_RestructuringProvision" xlink:type="arc" order="1"/>
<link:label id="lab_dei_DocumentFiscalPeriodFocus_41a2d6cd-b7a9-45e7-bc4c-908169790156_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document Fiscal Period Focus </link:label>
<link:label id="lab_dei_DocumentFiscalPeriodFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document Fiscal Period Focus </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentFiscalPeriodFocus"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus" xlink:to="lab_dei_DocumentFiscalPeriodFocus" xlink:type="arc" order="1"/>
<link:label id="lab_acb_A2021AtTheMarketProgramMember_1216f292-9569-4da7-8a3b-ce83c6fd2695_terseLabel_en-US" xlink:label="lab_acb_A2021AtTheMarketProgramMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 2021 At-The-Market Program </link:label>
<link:label id="lab_acb_A2021AtTheMarketProgramMember_label_en-US" xlink:label="lab_acb_A2021AtTheMarketProgramMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 2021 At-The-Market Program [Member] </link:label>
<link:label id="lab_acb_A2021AtTheMarketProgramMember_documentation_en-US" xlink:label="lab_acb_A2021AtTheMarketProgramMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 2021 At-The-Market Program </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_A2021AtTheMarketProgramMember" xlink:href="acb-20210630.xsd#acb_A2021AtTheMarketProgramMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_A2021AtTheMarketProgramMember" xlink:to="lab_acb_A2021AtTheMarketProgramMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DecreaseThroughDerecognitionPropertyPlantAndEquipment_57390076-7d2a-4687-9089-82622c437849_terseLabel_en-US" xlink:label="lab_acb_DecreaseThroughDerecognitionPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Decrease through derecognition </link:label>
<link:label id="lab_acb_DecreaseThroughDerecognitionPropertyPlantAndEquipment_label_en-US" xlink:label="lab_acb_DecreaseThroughDerecognitionPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Decrease Through Derecognition, Property, Plant And Equipment </link:label>
<link:label id="lab_acb_DecreaseThroughDerecognitionPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_acb_DecreaseThroughDerecognitionPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Decrease Through Derecognition, Property, Plant And Equipment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DecreaseThroughDerecognitionPropertyPlantAndEquipment" xlink:href="acb-20210630.xsd#acb_DecreaseThroughDerecognitionPropertyPlantAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DecreaseThroughDerecognitionPropertyPlantAndEquipment" xlink:to="lab_acb_DecreaseThroughDerecognitionPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InceptionGainOnFinancialAssetsAtFairValueThroughProfitOrLoss_4ce79cea-9b67-42d7-a9c4-11244e2acc60_terseLabel_en-US" xlink:label="lab_acb_InceptionGainOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inception gains amortized </link:label>
<link:label id="lab_acb_InceptionGainOnFinancialAssetsAtFairValueThroughProfitOrLoss_label_en-US" xlink:label="lab_acb_InceptionGainOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inception Gain On Financial Assets At Fair Value Through Profit Or Loss </link:label>
<link:label id="lab_acb_InceptionGainOnFinancialAssetsAtFairValueThroughProfitOrLoss_documentation_en-US" xlink:label="lab_acb_InceptionGainOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inception Gain On Financial Assets At Fair Value Through Profit Or Loss </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InceptionGainOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:href="acb-20210630.xsd#acb_InceptionGainOnFinancialAssetsAtFairValueThroughProfitOrLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InceptionGainOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="lab_acb_InceptionGainOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory_fa189406-d1b9-4153-aff8-dbead393f6a0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Changes in Carrying Value of Biological Assets </link:label>
<link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of reconciliation of changes in biological assets [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInBiologicalAssetsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_PurchaseOfInterestsInAssociates_fc0a95e3-8895-429c-a544-01bd67e4694a_terseLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfInterestsInAssociates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Purchase of interests in associates </link:label>
<link:label id="lab_ifrs-full_PurchaseOfInterestsInAssociates_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfInterestsInAssociates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Purchase of interests in associates </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfInterestsInAssociates" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PurchaseOfInterestsInAssociates"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfInterestsInAssociates" xlink:to="lab_ifrs-full_PurchaseOfInterestsInAssociates" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsConversionPrincipalAmount_ac5cdbbe-9eaa-4d20-b6ec-db942aca28fd_verboseLabel_en-US" xlink:label="lab_acb_FinancialAssetsConversionPrincipalAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Principal amount converted </link:label>
<link:label id="lab_acb_FinancialAssetsConversionPrincipalAmount_label_en-US" xlink:label="lab_acb_FinancialAssetsConversionPrincipalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Conversion, Principal Amount </link:label>
<link:label id="lab_acb_FinancialAssetsConversionPrincipalAmount_documentation_en-US" xlink:label="lab_acb_FinancialAssetsConversionPrincipalAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Conversion, Principal Amount </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsConversionPrincipalAmount" xlink:href="acb-20210630.xsd#acb_FinancialAssetsConversionPrincipalAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsConversionPrincipalAmount" xlink:to="lab_acb_FinancialAssetsConversionPrincipalAmount" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BusinessCombinationsAxis_7a729a83-8b73-45fc-92a0-30f22e8ae5d2_terseLabel_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Business combinations [axis] </link:label>
<link:label id="lab_ifrs-full_BusinessCombinationsAxis_label_en-US" xlink:label="lab_ifrs-full_BusinessCombinationsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Business combinations [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BusinessCombinationsAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BusinessCombinationsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BusinessCombinationsAxis" xlink:to="lab_ifrs-full_BusinessCombinationsAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod_eab7ef71-f7fb-4320-b682-5c0a4d1ded34_terseLabel_en-US" xlink:label="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventory expensed to cost of goods sold </link:label>
<link:label id="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod_label_en-US" xlink:label="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cost of inventories recognised as expense during period </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:to="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NoncontrollingInterestsMember_311a316b-60ab-4b1d-95c9-fb923f53069f_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterestsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-Controlling Interests </link:label>
<link:label id="lab_ifrs-full_NoncontrollingInterestsMember_label_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterestsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-controlling interests [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterestsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncontrollingInterestsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncontrollingInterestsMember" xlink:to="lab_ifrs-full_NoncontrollingInterestsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_90590152-b0c5-4642-8364-f6ba98a43836_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Operating activities </link:label>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash flows from (used in) operating activities [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RevenueFromProvisionOfServicesMember_1afe77e4-4b04-4777-993f-cda8011328c6_terseLabel_en-US" xlink:label="lab_acb_RevenueFromProvisionOfServicesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue from provision of services </link:label>
<link:label id="lab_acb_RevenueFromProvisionOfServicesMember_label_en-US" xlink:label="lab_acb_RevenueFromProvisionOfServicesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue From Provision Of Services [Member] </link:label>
<link:label id="lab_acb_RevenueFromProvisionOfServicesMember_documentation_en-US" xlink:label="lab_acb_RevenueFromProvisionOfServicesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue From Provision Of Services [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RevenueFromProvisionOfServicesMember" xlink:href="acb-20210630.xsd#acb_RevenueFromProvisionOfServicesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RevenueFromProvisionOfServicesMember" xlink:to="lab_acb_RevenueFromProvisionOfServicesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DebtInstrumentConvertibleCarryingAmountOfEquityComponent_eb8a86a8-d8ad-4941-be97-f89cfcc81ed5_terseLabel_en-US" xlink:label="lab_acb_DebtInstrumentConvertibleCarryingAmountOfEquityComponent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amount of equity component </link:label>
<link:label id="lab_acb_DebtInstrumentConvertibleCarryingAmountOfEquityComponent_label_en-US" xlink:label="lab_acb_DebtInstrumentConvertibleCarryingAmountOfEquityComponent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Instrument, Convertible, Carrying Amount Of Equity Component </link:label>
<link:label id="lab_acb_DebtInstrumentConvertibleCarryingAmountOfEquityComponent_documentation_en-US" xlink:label="lab_acb_DebtInstrumentConvertibleCarryingAmountOfEquityComponent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Instrument, Convertible, Carrying Amount Of Equity Component </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DebtInstrumentConvertibleCarryingAmountOfEquityComponent" xlink:href="acb-20210630.xsd#acb_DebtInstrumentConvertibleCarryingAmountOfEquityComponent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DebtInstrumentConvertibleCarryingAmountOfEquityComponent" xlink:to="lab_acb_DebtInstrumentConvertibleCarryingAmountOfEquityComponent" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets_ded7e439-0967-4abe-a135-94e6071b96e6_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Transfer from (to) investment in associates </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets_7373aeba-0b4e-402d-bd85-5ae5dc1c1c6a_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reclassification from marketable securities to investment in associate </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) through transfers, financial assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions_4faf3717-5112-4271-a01b-9d1e2205b31c_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise of stock options </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) through exercise of options, equity </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughExerciseOfOptions"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughExerciseOfOptions" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract_735efc2b-7a1d-4d3b-bf15-f99a63809847_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reconciliation of changes in intangible assets and goodwill [abstract] </link:label>
<link:label id="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reconciliation of changes in intangible assets and goodwill [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsAndGoodwillAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AcquisitionDateNetCashOutflowsOfConsiderationTransferredAbstract_cc1d871f-13e4-45be-b6ee-b564b7b2376b_terseLabel_en-US" xlink:label="lab_acb_AcquisitionDateNetCashOutflowsOfConsiderationTransferredAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net cash outflows </link:label>
<link:label id="lab_acb_AcquisitionDateNetCashOutflowsOfConsiderationTransferredAbstract_label_en-US" xlink:label="lab_acb_AcquisitionDateNetCashOutflowsOfConsiderationTransferredAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition-Date Net Cash Outflows Of Consideration Transferred [Abstract] </link:label>
<link:label id="lab_acb_AcquisitionDateNetCashOutflowsOfConsiderationTransferredAbstract_documentation_en-US" xlink:label="lab_acb_AcquisitionDateNetCashOutflowsOfConsiderationTransferredAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition-Date Net Cash Outflows Of Consideration Transferred [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AcquisitionDateNetCashOutflowsOfConsiderationTransferredAbstract" xlink:href="acb-20210630.xsd#acb_AcquisitionDateNetCashOutflowsOfConsiderationTransferredAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AcquisitionDateNetCashOutflowsOfConsiderationTransferredAbstract" xlink:to="lab_acb_AcquisitionDateNetCashOutflowsOfConsiderationTransferredAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment_e4d7130a-427e-46dc-81af-b88dec9b1941_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) through other changes, property, plant and equipment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax_fb20a300-8631-4c0b-9d77-7e2ba0d92682_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Sales taxes receivable </link:label>
<link:label id="lab_ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax_label_en-US" xlink:label="lab_ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current receivables from taxes other than income tax </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax" xlink:to="lab_ifrs-full_CurrentReceivablesFromTaxesOtherThanIncomeTax" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExerciseCostOfWarrants_1775db54-fefc-452b-96b5-5ec0ed014701_terseLabel_en-US" xlink:label="lab_acb_ExerciseCostOfWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise cost of warrants </link:label>
<link:label id="lab_acb_ExerciseCostOfWarrants_label_en-US" xlink:label="lab_acb_ExerciseCostOfWarrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Cost Of Warrants </link:label>
<link:label id="lab_acb_ExerciseCostOfWarrants_documentation_en-US" xlink:label="lab_acb_ExerciseCostOfWarrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Cost Of Warrants </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExerciseCostOfWarrants" xlink:href="acb-20210630.xsd#acb_ExerciseCostOfWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExerciseCostOfWarrants" xlink:to="lab_acb_ExerciseCostOfWarrants" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CommitmentsMadeByEntityRelatedPartyTransactionNumber_1b6411ce-921c-47fc-9d8d-38b9ddd068b2_terseLabel_en-US" xlink:label="lab_acb_CommitmentsMadeByEntityRelatedPartyTransactionNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current purchase commitments (in number of capsules) </link:label>
<link:label id="lab_acb_CommitmentsMadeByEntityRelatedPartyTransactionNumber_label_en-US" xlink:label="lab_acb_CommitmentsMadeByEntityRelatedPartyTransactionNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Commitments Made By Entity, Related Party Transaction, Number </link:label>
<link:label id="lab_acb_CommitmentsMadeByEntityRelatedPartyTransactionNumber_documentation_en-US" xlink:label="lab_acb_CommitmentsMadeByEntityRelatedPartyTransactionNumber" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Commitments Made By Entity, Related Party Transaction, Number </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CommitmentsMadeByEntityRelatedPartyTransactionNumber" xlink:href="acb-20210630.xsd#acb_CommitmentsMadeByEntityRelatedPartyTransactionNumber"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CommitmentsMadeByEntityRelatedPartyTransactionNumber" xlink:to="lab_acb_CommitmentsMadeByEntityRelatedPartyTransactionNumber" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FiscalQuarterEndedSeptember302020Member_09a64b32-1c95-44d5-923e-90fdb04182d2_terseLabel_en-US" xlink:label="lab_acb_FiscalQuarterEndedSeptember302020Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fiscal quarter ended September 30, 2020 </link:label>
<link:label id="lab_acb_FiscalQuarterEndedSeptember302020Member_label_en-US" xlink:label="lab_acb_FiscalQuarterEndedSeptember302020Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fiscal Quarter Ended September 30, 2020 [Member] </link:label>
<link:label id="lab_acb_FiscalQuarterEndedSeptember302020Member_documentation_en-US" xlink:label="lab_acb_FiscalQuarterEndedSeptember302020Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fiscal Quarter Ended September 30, 2020 [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FiscalQuarterEndedSeptember302020Member" xlink:href="acb-20210630.xsd#acb_FiscalQuarterEndedSeptember302020Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FiscalQuarterEndedSeptember302020Member" xlink:to="lab_acb_FiscalQuarterEndedSeptember302020Member" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LaterThan60DaysMember_63616487-c1d3-4faf-b633-164a5ca56e6a_terseLabel_en-US" xlink:label="lab_acb_LaterThan60DaysMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 61+ days </link:label>
<link:label id="lab_acb_LaterThan60DaysMember_label_en-US" xlink:label="lab_acb_LaterThan60DaysMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Later Than 60 Days [Member] </link:label>
<link:label id="lab_acb_LaterThan60DaysMember_documentation_en-US" xlink:label="lab_acb_LaterThan60DaysMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Later Than 60 Days [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LaterThan60DaysMember" xlink:href="acb-20210630.xsd#acb_LaterThan60DaysMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LaterThan60DaysMember" xlink:to="lab_acb_LaterThan60DaysMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_e896f07b-19d5-4c14-9599-83e6d982a339_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Forfeited (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of other equity instruments forfeited in share-based payment arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_dfa4c127-ef66-4812-b17f-3cba457fa319_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about borrowings [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about borrowings [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners_32f2a2e0-e762-4231-b36c-c1c47b29f9cc_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Assets held for sale </link:label>
<link:label id="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current assets or disposal groups classified as held for sale or as held for distribution to owners </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:to="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue_218745e3-d372-4e6e-a72a-dfe9b1221220_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized gain (loss) on changes in fair value </link:label>
<link:label id="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (losses) on financial assets at fair value through profit or loss, mandatorily measured at fair value </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue" xlink:to="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets_1602cf5f-228c-4d18-83a8-70dd24ce5863_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase in fair value measurement due to reasonably possible increase in unobservable input, assets </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:to="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_InterestRateRiskMember_e438f965-875f-4f2b-8614-831f1546d8ca_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest rate risk </link:label>
<link:label id="lab_ifrs-full_InterestRateRiskMember_label_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest rate risk [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRateRiskMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestRateRiskMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRateRiskMember" xlink:to="lab_ifrs-full_InterestRateRiskMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ParValuePerShare_a0149e4f-029e-4d55-be72-939a9a05d105_terseLabel_en-US" xlink:label="lab_ifrs-full_ParValuePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Par value per share (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_ParValuePerShare_label_en-US" xlink:label="lab_ifrs-full_ParValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Par value per share </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ParValuePerShare" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ParValuePerShare"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ParValuePerShare" xlink:to="lab_ifrs-full_ParValuePerShare" xlink:type="arc" order="1"/>
<link:label id="lab_acb_QuotedStockPrice_fce0c327-98c1-4496-b93f-b7025da46e20_terseLabel_en-US" xlink:label="lab_acb_QuotedStockPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Quoted stock price (in CAD per share) </link:label>
<link:label id="lab_acb_QuotedStockPrice_label_en-US" xlink:label="lab_acb_QuotedStockPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Quoted Stock Price </link:label>
<link:label id="lab_acb_QuotedStockPrice_documentation_en-US" xlink:label="lab_acb_QuotedStockPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Quoted Stock Price </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_QuotedStockPrice" xlink:href="acb-20210630.xsd#acb_QuotedStockPrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_QuotedStockPrice" xlink:to="lab_acb_QuotedStockPrice" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OutputOfAgriculturalProduce_b4c18fe2-c14b-43f0-b618-3f90e2a8cc8a_terseLabel_en-US" xlink:label="lab_ifrs-full_OutputOfAgriculturalProduce" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Biological assets produced (in grams) </link:label>
<link:label id="lab_ifrs-full_OutputOfAgriculturalProduce_label_en-US" xlink:label="lab_ifrs-full_OutputOfAgriculturalProduce" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Output of agricultural produce </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OutputOfAgriculturalProduce" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OutputOfAgriculturalProduce"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OutputOfAgriculturalProduce" xlink:to="lab_ifrs-full_OutputOfAgriculturalProduce" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity_9c740329-065d-4382-b6c0-0c7a5cf1d063_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Recovered through (charged to) equity </link:label>
<link:label id="lab_ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred tax relating to items credited (charged) directly to equity </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:to="lab_ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:type="arc" order="1"/>
<link:label id="lab_srt_RestatementDomain_2d551a4d-e441-4da2-a3c4-4969a23e1de9_terseLabel_en-US" xlink:label="lab_srt_RestatementDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restatement [Domain] </link:label>
<link:label id="lab_srt_RestatementDomain_label_en-US" xlink:label="lab_srt_RestatementDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revision of Prior Period [Domain] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RestatementDomain"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RestatementDomain" xlink:to="lab_srt_RestatementDomain" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RestrictedShareUnitsMember_0d517e79-460c-48b1-be4a-11198456128f_terseLabel_en-US" xlink:label="lab_acb_RestrictedShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> RSUs </link:label>
<link:label id="lab_acb_RestrictedShareUnitsMember_label_en-US" xlink:label="lab_acb_RestrictedShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restricted Share Units [Member] </link:label>
<link:label id="lab_acb_RestrictedShareUnitsMember_documentation_en-US" xlink:label="lab_acb_RestrictedShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restricted Share Units [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RestrictedShareUnitsMember" xlink:href="acb-20210630.xsd#acb_RestrictedShareUnitsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RestrictedShareUnitsMember" xlink:to="lab_acb_RestrictedShareUnitsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GainLossOnLoanSettlementBorrowings_26a8c0ef-e32e-4053-b56e-88f1c5f6614e_negatedLabel_en-US" xlink:label="lab_acb_GainLossOnLoanSettlementBorrowings" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss on debt settlement </link:label>
<link:label id="lab_acb_GainLossOnLoanSettlementBorrowings_label_en-US" xlink:label="lab_acb_GainLossOnLoanSettlementBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain (Loss) On Loan Settlement, Borrowings </link:label>
<link:label id="lab_acb_GainLossOnLoanSettlementBorrowings_documentation_en-US" xlink:label="lab_acb_GainLossOnLoanSettlementBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain (Loss) On Loan Settlement, Borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GainLossOnLoanSettlementBorrowings" xlink:href="acb-20210630.xsd#acb_GainLossOnLoanSettlementBorrowings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_GainLossOnLoanSettlementBorrowings" xlink:to="lab_acb_GainLossOnLoanSettlementBorrowings" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_6e053f31-38ad-4c56-b676-21918a07e6c0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about borrowings [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about borrowings [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory_eb2f3113-c723-41f6-95ed-d2cb48ab417d_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivatives </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for derivative financial instruments [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExeterJamaicaAndUruguayPropertiesMember_b6604e72-1399-4240-8685-136311a09021_terseLabel_en-US" xlink:label="lab_acb_ExeterJamaicaAndUruguayPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exeter, Jamaica, and Uruguay Properties </link:label>
<link:label id="lab_acb_ExeterJamaicaAndUruguayPropertiesMember_label_en-US" xlink:label="lab_acb_ExeterJamaicaAndUruguayPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exeter, Jamaica, And Uruguay Properties [Member] </link:label>
<link:label id="lab_acb_ExeterJamaicaAndUruguayPropertiesMember_documentation_en-US" xlink:label="lab_acb_ExeterJamaicaAndUruguayPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exeter, Jamaica, And Uruguay Properties </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExeterJamaicaAndUruguayPropertiesMember" xlink:href="acb-20210630.xsd#acb_ExeterJamaicaAndUruguayPropertiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExeterJamaicaAndUruguayPropertiesMember" xlink:to="lab_acb_ExeterJamaicaAndUruguayPropertiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsInterestRate_1bb147d2-ddf1-4a98-8529-2f029a184376_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest rate </link:label>
<link:label id="lab_acb_FinancialAssetsInterestRate_label_en-US" xlink:label="lab_acb_FinancialAssetsInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Interest Rate </link:label>
<link:label id="lab_acb_FinancialAssetsInterestRate_documentation_en-US" xlink:label="lab_acb_FinancialAssetsInterestRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Interest Rate </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsInterestRate" xlink:href="acb-20210630.xsd#acb_FinancialAssetsInterestRate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsInterestRate" xlink:to="lab_acb_FinancialAssetsInterestRate" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsPurchasedWarrantsExpirationPeriod_cac0cdad-0126-486b-a5db-df1bdddff054_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsPurchasedWarrantsExpirationPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants expiration period </link:label>
<link:label id="lab_acb_FinancialAssetsPurchasedWarrantsExpirationPeriod_label_en-US" xlink:label="lab_acb_FinancialAssetsPurchasedWarrantsExpirationPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets Purchased, Warrants, Expiration Period </link:label>
<link:label id="lab_acb_FinancialAssetsPurchasedWarrantsExpirationPeriod_documentation_en-US" xlink:label="lab_acb_FinancialAssetsPurchasedWarrantsExpirationPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets Purchased, Warrants, Expiration Period </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsPurchasedWarrantsExpirationPeriod" xlink:href="acb-20210630.xsd#acb_FinancialAssetsPurchasedWarrantsExpirationPeriod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsPurchasedWarrantsExpirationPeriod" xlink:to="lab_acb_FinancialAssetsPurchasedWarrantsExpirationPeriod" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_174a03e4-b3fa-49c1-bcfe-9552eb3e3d4e_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease liabilities </link:label>
<link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_6045db02-b8b2-4191-91ad-7f88edc4c1ef_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Long-term portion of lease liabilities </link:label>
<link:label id="lab_ifrs-full_NoncurrentLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current lease liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLeaseLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentLeaseLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLeaseLiabilities" xlink:to="lab_ifrs-full_NoncurrentLeaseLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TypesOfRisksAxis_ce176a9a-a480-4a05-89d8-f59a6152e22e_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Types of risks [axis] </link:label>
<link:label id="lab_ifrs-full_TypesOfRisksAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Types of risks [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TypesOfRisksAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksAxis" xlink:to="lab_ifrs-full_TypesOfRisksAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_QuarterEndingDecember312020AndOnwardsMember_3f2a67bf-bb84-4906-81bb-c280bde48ee7_terseLabel_en-US" xlink:label="lab_acb_QuarterEndingDecember312020AndOnwardsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Quarter ending December 31, 2020 and onwards </link:label>
<link:label id="lab_acb_QuarterEndingDecember312020AndOnwardsMember_label_en-US" xlink:label="lab_acb_QuarterEndingDecember312020AndOnwardsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Quarter Ending December 31, 2020 And Onwards [Member] </link:label>
<link:label id="lab_acb_QuarterEndingDecember312020AndOnwardsMember_documentation_en-US" xlink:label="lab_acb_QuarterEndingDecember312020AndOnwardsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Quarter Ending December 31, 2020 And Onwards [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_QuarterEndingDecember312020AndOnwardsMember" xlink:href="acb-20210630.xsd#acb_QuarterEndingDecember312020AndOnwardsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_QuarterEndingDecember312020AndOnwardsMember" xlink:to="lab_acb_QuarterEndingDecember312020AndOnwardsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InvesteeBMember_8cf65b2e-3bf2-479c-8acf-f1e6bf412beb_terseLabel_en-US" xlink:label="lab_acb_InvesteeBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investee-B </link:label>
<link:label id="lab_acb_InvesteeBMember_label_en-US" xlink:label="lab_acb_InvesteeBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investee-B [Member] </link:label>
<link:label id="lab_acb_InvesteeBMember_documentation_en-US" xlink:label="lab_acb_InvesteeBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investee-B [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InvesteeBMember" xlink:href="acb-20210630.xsd#acb_InvesteeBMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InvesteeBMember" xlink:to="lab_acb_InvesteeBMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredShareUnitsMember_5397f1e4-6eed-4bdd-b73e-e4b076736abc_terseLabel_en-US" xlink:label="lab_acb_DeferredShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> DSUs </link:label>
<link:label id="lab_acb_DeferredShareUnitsMember_label_en-US" xlink:label="lab_acb_DeferredShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Share Units [Member] </link:label>
<link:label id="lab_acb_DeferredShareUnitsMember_documentation_en-US" xlink:label="lab_acb_DeferredShareUnitsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Share Units [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredShareUnitsMember" xlink:href="acb-20210630.xsd#acb_DeferredShareUnitsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredShareUnitsMember" xlink:to="lab_acb_DeferredShareUnitsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OnerousContractsProvision_a1d38dcc-993f-43d7-a827-3ba224fbd7d4_terseLabel_en-US" xlink:label="lab_ifrs-full_OnerousContractsProvision" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Onerous contracts provision </link:label>
<link:label id="lab_ifrs-full_OnerousContractsProvision_label_en-US" xlink:label="lab_ifrs-full_OnerousContractsProvision" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Onerous contracts provision </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OnerousContractsProvision" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OnerousContractsProvision"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OnerousContractsProvision" xlink:to="lab_ifrs-full_OnerousContractsProvision" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncomeFromContinuingOperationsAttributableToOwnersOfParent_4e75d20a-5267-45d6-b4a8-c000b14bd45c_terseLabel_en-US" xlink:label="lab_ifrs-full_IncomeFromContinuingOperationsAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Cannabis Inc. </link:label>
<link:label id="lab_ifrs-full_IncomeFromContinuingOperationsAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_IncomeFromContinuingOperationsAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income from continuing operations attributable to owners of parent </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeFromContinuingOperationsAttributableToOwnersOfParent" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeFromContinuingOperationsAttributableToOwnersOfParent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeFromContinuingOperationsAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_IncomeFromContinuingOperationsAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_8a166ff7-2bfe-4dba-9a6d-49790abc8fbe_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Foreign exchange (gain) loss </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for unrealised foreign exchange losses (gains) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:to="lab_ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CannabisSegmentMember_2e662eb2-fd00-40a8-97c9-f22832503554_terseLabel_en-US" xlink:label="lab_acb_CannabisSegmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cannabis </link:label>
<link:label id="lab_acb_CannabisSegmentMember_label_en-US" xlink:label="lab_acb_CannabisSegmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cannabis Segment [Member] </link:label>
<link:label id="lab_acb_CannabisSegmentMember_documentation_en-US" xlink:label="lab_acb_CannabisSegmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cannabis Segment [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CannabisSegmentMember" xlink:href="acb-20210630.xsd#acb_CannabisSegmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CannabisSegmentMember" xlink:to="lab_acb_CannabisSegmentMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_8c39d90c-837a-4be2-aad2-7c844ab490ea_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Compensation Expense, Transactions with, and Receivable from (Payable to) Related Parties </link:label>
<link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of transactions between related parties [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxAssetsInvestmentTaxCreditMember_c8c026cc-5574-4d80-967b-33d8a95842ed_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxAssetsInvestmentTaxCreditMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investment tax credit </link:label>
<link:label id="lab_acb_DeferredTaxAssetsInvestmentTaxCreditMember_label_en-US" xlink:label="lab_acb_DeferredTaxAssetsInvestmentTaxCreditMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Investment Tax Credit [Member] </link:label>
<link:label id="lab_acb_DeferredTaxAssetsInvestmentTaxCreditMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxAssetsInvestmentTaxCreditMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Investment Tax Credit [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxAssetsInvestmentTaxCreditMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxAssetsInvestmentTaxCreditMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxAssetsInvestmentTaxCreditMember" xlink:to="lab_acb_DeferredTaxAssetsInvestmentTaxCreditMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_12d69f77-e659-4a01-8c91-5c47815add0a_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected life of options (years) </link:label>
<link:label id="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Option life, share options granted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfOptionLifeShareOptionsGranted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:to="lab_ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AcquisitionOfIntangibleAssetMember_8038f419-b360-43ba-bfbe-2f5129cb631f_terseLabel_en-US" xlink:label="lab_acb_AcquisitionOfIntangibleAssetMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition of intangible assets </link:label>
<link:label id="lab_acb_AcquisitionOfIntangibleAssetMember_label_en-US" xlink:label="lab_acb_AcquisitionOfIntangibleAssetMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition Of Intangible Asset [Member] </link:label>
<link:label id="lab_acb_AcquisitionOfIntangibleAssetMember_documentation_en-US" xlink:label="lab_acb_AcquisitionOfIntangibleAssetMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition Of Intangible Asset [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AcquisitionOfIntangibleAssetMember" xlink:href="acb-20210630.xsd#acb_AcquisitionOfIntangibleAssetMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AcquisitionOfIntangibleAssetMember" xlink:to="lab_acb_AcquisitionOfIntangibleAssetMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GainLossOnDebtModification_3ab5d7af-e7f4-4745-a32f-60d62c7615b7_terseLabel_en-US" xlink:label="lab_acb_GainLossOnDebtModification" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain (loss) on debt modification </link:label>
<link:label id="lab_acb_GainLossOnDebtModification_label_en-US" xlink:label="lab_acb_GainLossOnDebtModification" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain (Loss) On Debt Modification </link:label>
<link:label id="lab_acb_GainLossOnDebtModification_documentation_en-US" xlink:label="lab_acb_GainLossOnDebtModification" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain (Loss) On Debt Modification </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GainLossOnDebtModification" xlink:href="acb-20210630.xsd#acb_GainLossOnDebtModification"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_GainLossOnDebtModification" xlink:to="lab_acb_GainLossOnDebtModification" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome_005c9597-8bcc-42bb-bdaf-58a0c98aaf12_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Marketable securities </link:label>
<link:label id="lab_ifrs-full_CurrentInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_CurrentInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current investments in equity instruments designated at fair value through other comprehensive income </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome"/>
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<link:label id="lab_ifrs-full_InterestReceivedClassifiedAsInvestingActivities_6e7c44cb-0da1-4244-9cda-8dc12dba789e_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestReceivedClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest received </link:label>
<link:label id="lab_ifrs-full_InterestReceivedClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_InterestReceivedClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest received, classified as investing activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestReceivedClassifiedAsInvestingActivities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestReceivedClassifiedAsInvestingActivities"/>
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<link:label id="lab_ifrs-full_DecreaseDueToHarvestBiologicalAssets_6a2b928c-9ee8-4232-ba10-195a1d0662e6_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DecreaseDueToHarvestBiologicalAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Transferred to inventory upon harvest </link:label>
<link:label id="lab_ifrs-full_DecreaseDueToHarvestBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_DecreaseDueToHarvestBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Decrease due to harvest, biological assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DecreaseDueToHarvestBiologicalAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DecreaseDueToHarvestBiologicalAssets"/>
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<link:label id="lab_acb_ReasonablyPossibleIncreaseInUnobservableInputAssets_62c20969-3ef4-401e-9dc5-9c1ef690bae6_terseLabel_en-US" xlink:label="lab_acb_ReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reasonably possible increase in unobservable input, assets </link:label>
<link:label id="lab_acb_ReasonablyPossibleIncreaseInUnobservableInputAssets_label_en-US" xlink:label="lab_acb_ReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reasonably Possible Increase In Unobservable Input, Assets </link:label>
<link:label id="lab_acb_ReasonablyPossibleIncreaseInUnobservableInputAssets_documentation_en-US" xlink:label="lab_acb_ReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reasonably Possible Increase In Unobservable Input, Assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:href="acb-20210630.xsd#acb_ReasonablyPossibleIncreaseInUnobservableInputAssets"/>
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<link:label id="lab_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement_13ce4cde-be22-41a4-83e7-c5275be9d6e5_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expired (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of share options expired in share-based payment arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement"/>
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<link:label id="lab_ifrs-full_DisclosureOfInformationAboutAgriculturalProduceLineItems_2d4d7049-4228-4971-a0f9-572ae5cdf5cf_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutAgriculturalProduceLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of information about agricultural produce [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfInformationAboutAgriculturalProduceLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutAgriculturalProduceLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of information about agricultural produce [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutAgriculturalProduceLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfInformationAboutAgriculturalProduceLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationAboutAgriculturalProduceLineItems" xlink:to="lab_ifrs-full_DisclosureOfInformationAboutAgriculturalProduceLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GeographicalAreasMember_034d563f-1caf-4ad0-82bc-c2a7761faedc_terseLabel_en-US" xlink:label="lab_ifrs-full_GeographicalAreasMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Geographical areas [member] </link:label>
<link:label id="lab_ifrs-full_GeographicalAreasMember_label_en-US" xlink:label="lab_ifrs-full_GeographicalAreasMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Geographical areas [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeographicalAreasMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GeographicalAreasMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeographicalAreasMember" xlink:to="lab_ifrs-full_GeographicalAreasMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ReserveOfCompensationOptionsAndWarrantsMember_cc4e9a42-e503-4980-804b-40053a34bd6a_terseLabel_en-US" xlink:label="lab_acb_ReserveOfCompensationOptionsAndWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Compensation Options/ Warrants </link:label>
<link:label id="lab_acb_ReserveOfCompensationOptionsAndWarrantsMember_label_en-US" xlink:label="lab_acb_ReserveOfCompensationOptionsAndWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reserve Of Compensation Options And Warrants [Member] </link:label>
<link:label id="lab_acb_ReserveOfCompensationOptionsAndWarrantsMember_documentation_en-US" xlink:label="lab_acb_ReserveOfCompensationOptionsAndWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reserve Of Compensation Options And Warrants [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ReserveOfCompensationOptionsAndWarrantsMember" xlink:href="acb-20210630.xsd#acb_ReserveOfCompensationOptionsAndWarrantsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ReserveOfCompensationOptionsAndWarrantsMember" xlink:to="lab_acb_ReserveOfCompensationOptionsAndWarrantsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_JanuaryOfferingWarrantMember_4f6f5f7c-198e-4507-8d98-9803a647ba77_terseLabel_en-US" xlink:label="lab_acb_JanuaryOfferingWarrantMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> January Offering, Warrant </link:label>
<link:label id="lab_acb_JanuaryOfferingWarrantMember_label_en-US" xlink:label="lab_acb_JanuaryOfferingWarrantMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> January Offering, Warrant [Member] </link:label>
<link:label id="lab_acb_JanuaryOfferingWarrantMember_documentation_en-US" xlink:label="lab_acb_JanuaryOfferingWarrantMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> January Offering, Warrant </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_JanuaryOfferingWarrantMember" xlink:href="acb-20210630.xsd#acb_JanuaryOfferingWarrantMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_JanuaryOfferingWarrantMember" xlink:to="lab_acb_JanuaryOfferingWarrantMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdjustmentsForDepreciationExpense_fa8a1215-3b4f-4506-a05a-faeffbc58668_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Depreciation of property, plant and equipment </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForDepreciationExpense_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for depreciation expense </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDepreciationExpense" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDepreciationExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDepreciationExpense" xlink:to="lab_ifrs-full_AdjustmentsForDepreciationExpense" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_2a8dc888-efb9-4ed8-8263-4798821edd65_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Movements in and Summary of Deferred Tax Assets (Liabilities) </link:label>
<link:label id="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of temporary difference, unused tax losses and unused tax credits [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory"/>
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<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill_a9217122-e622-4075-b3f5-fe3e25503fe9_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment loss recognised in profit or loss, intangible assets other than goodwill </link:label>
<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment loss recognised in profit or loss, intangible assets other than goodwill </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill"/>
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<link:label id="lab_acb_DiscountOnVolumeWeightedAveragePricePercent_7fccbed7-d035-4ed8-a9a4-8065359478f8_terseLabel_en-US" xlink:label="lab_acb_DiscountOnVolumeWeightedAveragePricePercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Discount on average daily VWAP of common shares, percent </link:label>
<link:label id="lab_acb_DiscountOnVolumeWeightedAveragePricePercent_label_en-US" xlink:label="lab_acb_DiscountOnVolumeWeightedAveragePricePercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Discount On Volume Weighted Average Price, Percent </link:label>
<link:label id="lab_acb_DiscountOnVolumeWeightedAveragePricePercent_documentation_en-US" xlink:label="lab_acb_DiscountOnVolumeWeightedAveragePricePercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Discount On Volume Weighted Average Price, Percent </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DiscountOnVolumeWeightedAveragePricePercent" xlink:href="acb-20210630.xsd#acb_DiscountOnVolumeWeightedAveragePricePercent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DiscountOnVolumeWeightedAveragePricePercent" xlink:to="lab_acb_DiscountOnVolumeWeightedAveragePricePercent" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable_ba2ec8c5-9e5f-4666-9d94-c2eef928ddb6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of reconciliation of changes in intangible assets and goodwill [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of reconciliation of changes in intangible assets and goodwill [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable"/>
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<link:label id="lab_acb_CannabisSegmentGroupOfCashGeneratingUnitsMember_bfc426af-ff46-4c1e-822d-bd856f1d3893_terseLabel_en-US" xlink:label="lab_acb_CannabisSegmentGroupOfCashGeneratingUnitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canadian Cannabis CGU </link:label>
<link:label id="lab_acb_CannabisSegmentGroupOfCashGeneratingUnitsMember_label_en-US" xlink:label="lab_acb_CannabisSegmentGroupOfCashGeneratingUnitsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cannabis Segment, Group Of Cash Generating Units [Member] </link:label>
<link:label id="lab_acb_CannabisSegmentGroupOfCashGeneratingUnitsMember_documentation_en-US" xlink:label="lab_acb_CannabisSegmentGroupOfCashGeneratingUnitsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cannabis Segment, Group Of Cash Generating Units [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CannabisSegmentGroupOfCashGeneratingUnitsMember" xlink:href="acb-20210630.xsd#acb_CannabisSegmentGroupOfCashGeneratingUnitsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CannabisSegmentGroupOfCashGeneratingUnitsMember" xlink:to="lab_acb_CannabisSegmentGroupOfCashGeneratingUnitsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities_941b98d6-2b05-4882-aed2-6d384a1dc006_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivative liability </link:label>
<link:label id="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current derivative financial liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentDerivativeFinancialLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExpectedTimingOfAchievingMilestonesMeasurementInputMember_5510bad1-6baa-430a-95ed-c4a4d42c46ec_terseLabel_en-US" xlink:label="lab_acb_ExpectedTimingOfAchievingMilestonesMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected timing of achieving milestones </link:label>
<link:label id="lab_acb_ExpectedTimingOfAchievingMilestonesMeasurementInputMember_label_en-US" xlink:label="lab_acb_ExpectedTimingOfAchievingMilestonesMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected Timing Of Achieving Milestones, Measurement Input [Member] </link:label>
<link:label id="lab_acb_ExpectedTimingOfAchievingMilestonesMeasurementInputMember_documentation_en-US" xlink:label="lab_acb_ExpectedTimingOfAchievingMilestonesMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected Timing Of Achieving Milestones, Measurement Input [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExpectedTimingOfAchievingMilestonesMeasurementInputMember" xlink:href="acb-20210630.xsd#acb_ExpectedTimingOfAchievingMilestonesMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExpectedTimingOfAchievingMilestonesMeasurementInputMember" xlink:to="lab_acb_ExpectedTimingOfAchievingMilestonesMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_TaxEffectOfChangesInDeferredTaxBenefitsNotRecognized_762af9f3-83de-4523-9282-88a9050fe638_terseLabel_en-US" xlink:label="lab_acb_TaxEffectOfChangesInDeferredTaxBenefitsNotRecognized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Changes in deferred tax benefits not recognized </link:label>
<link:label id="lab_acb_TaxEffectOfChangesInDeferredTaxBenefitsNotRecognized_label_en-US" xlink:label="lab_acb_TaxEffectOfChangesInDeferredTaxBenefitsNotRecognized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax Effect Of Changes In Deferred Tax Benefits Not Recognized </link:label>
<link:label id="lab_acb_TaxEffectOfChangesInDeferredTaxBenefitsNotRecognized_documentation_en-US" xlink:label="lab_acb_TaxEffectOfChangesInDeferredTaxBenefitsNotRecognized" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax Effect Of Changes In Deferred Tax Benefits Not Recognized </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TaxEffectOfChangesInDeferredTaxBenefitsNotRecognized" xlink:href="acb-20210630.xsd#acb_TaxEffectOfChangesInDeferredTaxBenefitsNotRecognized"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_TaxEffectOfChangesInDeferredTaxBenefitsNotRecognized" xlink:to="lab_acb_TaxEffectOfChangesInDeferredTaxBenefitsNotRecognized" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued_d20bb601-a21e-43d8-a063-46bd9b9f7477_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible debentures </link:label>
<link:label id="lab_ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued_843fd392-70a2-41d3-8c3a-7934bc1c6e10_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Long-term portion </link:label>
<link:label id="lab_ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued_label_en-US" xlink:label="lab_ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current portion of non-current notes and debentures issued </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued" xlink:to="lab_ifrs-full_NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfSharesExercisablePerWarrant_e9a4ec90-548c-44ef-8105-d32f51651b42_terseLabel_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfSharesExercisablePerWarrant" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Composition of financial assets purchased, number of shares exercisable per warrant </link:label>
<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfSharesExercisablePerWarrant_label_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfSharesExercisablePerWarrant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Composition Of Financial Assets Purchased, Number Of Shares Exercisable Per Warrant </link:label>
<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfSharesExercisablePerWarrant_documentation_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfSharesExercisablePerWarrant" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Composition Of Financial Assets Purchased, Number Of Shares Exercisable Per Warrant </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CompositionOfFinancialAssetsPurchasedNumberOfSharesExercisablePerWarrant" xlink:href="acb-20210630.xsd#acb_CompositionOfFinancialAssetsPurchasedNumberOfSharesExercisablePerWarrant"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CompositionOfFinancialAssetsPurchasedNumberOfSharesExercisablePerWarrant" xlink:to="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfSharesExercisablePerWarrant" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember_63f2b8af-df23-42b9-82e2-ed26c1fd43ab_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets other than goodwill </link:label>
<link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember_e28218fd-3fc3-477b-9b93-f7dd4a4e163d_verboseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total intangible assets </link:label>
<link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets other than goodwill [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:to="lab_ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AuroraSunFacilityMember_d5f0bbf5-d727-4e64-84d3-fbaac6933f5c_terseLabel_en-US" xlink:label="lab_acb_AuroraSunFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Sun Facility </link:label>
<link:label id="lab_acb_AuroraSunFacilityMember_label_en-US" xlink:label="lab_acb_AuroraSunFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Sun Facility [Member] </link:label>
<link:label id="lab_acb_AuroraSunFacilityMember_documentation_en-US" xlink:label="lab_acb_AuroraSunFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Sun Facility [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AuroraSunFacilityMember" xlink:href="acb-20210630.xsd#acb_AuroraSunFacilityMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AuroraSunFacilityMember" xlink:to="lab_acb_AuroraSunFacilityMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent_4e745d8f-2675-4058-a728-3a4c9031e797_verboseLabel_en-US" xlink:label="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reasonably possible change in variable </link:label>
<link:label id="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent_label_en-US" xlink:label="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Percent </link:label>
<link:label id="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent_documentation_en-US" xlink:label="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Percent </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:href="acb-20210630.xsd#acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:to="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_EquityMember_e4f8f6b2-1573-4360-840f-9ce6001aff32_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Equity [member] </link:label>
<link:label id="lab_ifrs-full_EquityMember_label_en-US" xlink:label="lab_ifrs-full_EquityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Equity [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityMember" xlink:to="lab_ifrs-full_EquityMember" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityAddressAddressLine1_5d4aaeaf-aa81-40e5-822c-3ebebdf4413e_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Address, Address Line One </link:label>
<link:label id="lab_dei_EntityAddressAddressLine1_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Address, Address Line One </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressAddressLine1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine1" xlink:to="lab_dei_EntityAddressAddressLine1" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RestrictedCashFromUsedInFinancingActivities_adbed4a8-07d1-4288-a9b9-81c1a7015b15_terseLabel_en-US" xlink:label="lab_acb_RestrictedCashFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restricted cash </link:label>
<link:label id="lab_acb_RestrictedCashFromUsedInFinancingActivities_label_en-US" xlink:label="lab_acb_RestrictedCashFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restricted Cash From (Used In) Financing Activities </link:label>
<link:label id="lab_acb_RestrictedCashFromUsedInFinancingActivities_documentation_en-US" xlink:label="lab_acb_RestrictedCashFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restricted Cash From (Used In) Financing Activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RestrictedCashFromUsedInFinancingActivities" xlink:href="acb-20210630.xsd#acb_RestrictedCashFromUsedInFinancingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RestrictedCashFromUsedInFinancingActivities" xlink:to="lab_acb_RestrictedCashFromUsedInFinancingActivities" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityAddressAddressLine2_35eb9c48-226b-4d0f-ba16-8d726fc8c10a_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Address, Address Line Two </link:label>
<link:label id="lab_dei_EntityAddressAddressLine2_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Address, Address Line Two </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressAddressLine2"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine2" xlink:to="lab_dei_EntityAddressAddressLine2" xlink:type="arc" order="1"/>
<link:label id="lab_acb_StandardCostPerGramToCompleteProductionMeasurementInputMember_9d63fabc-f4a8-4f05-a878-5004aeaa4764_terseLabel_en-US" xlink:label="lab_acb_StandardCostPerGramToCompleteProductionMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Standard cost per gram to complete production </link:label>
<link:label id="lab_acb_StandardCostPerGramToCompleteProductionMeasurementInputMember_label_en-US" xlink:label="lab_acb_StandardCostPerGramToCompleteProductionMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Standard Cost Per Gram To Complete Production, Measurement Input [Member] </link:label>
<link:label id="lab_acb_StandardCostPerGramToCompleteProductionMeasurementInputMember_documentation_en-US" xlink:label="lab_acb_StandardCostPerGramToCompleteProductionMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Standard Cost Per Gram To Complete Production, Measurement Input [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_StandardCostPerGramToCompleteProductionMeasurementInputMember" xlink:href="acb-20210630.xsd#acb_StandardCostPerGramToCompleteProductionMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_StandardCostPerGramToCompleteProductionMeasurementInputMember" xlink:to="lab_acb_StandardCostPerGramToCompleteProductionMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_MeasurementPeriodAdjustmentsRecognisedForGoodwillRecognisedAsOfAcquisitionDate_be15b8af-7057-4178-b63a-9df8e8097cc4_verboseLabel_en-US" xlink:label="lab_acb_MeasurementPeriodAdjustmentsRecognisedForGoodwillRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill </link:label>
<link:label id="lab_acb_MeasurementPeriodAdjustmentsRecognisedForGoodwillRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_acb_MeasurementPeriodAdjustmentsRecognisedForGoodwillRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Measurement Period Adjustments Recognised For Goodwill Recognised As Of Acquisition Date </link:label>
<link:label id="lab_acb_MeasurementPeriodAdjustmentsRecognisedForGoodwillRecognisedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_acb_MeasurementPeriodAdjustmentsRecognisedForGoodwillRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Measurement Period Adjustments Recognised For Goodwill Recognised As Of Acquisition Date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_MeasurementPeriodAdjustmentsRecognisedForGoodwillRecognisedAsOfAcquisitionDate" xlink:href="acb-20210630.xsd#acb_MeasurementPeriodAdjustmentsRecognisedForGoodwillRecognisedAsOfAcquisitionDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_MeasurementPeriodAdjustmentsRecognisedForGoodwillRecognisedAsOfAcquisitionDate" xlink:to="lab_acb_MeasurementPeriodAdjustmentsRecognisedForGoodwillRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ParticipationRightWarrantsMember_4224c56e-c891-4986-b41e-b5f67fb45063_terseLabel_en-US" xlink:label="lab_acb_ParticipationRightWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Participation Right Warrants </link:label>
<link:label id="lab_acb_ParticipationRightWarrantsMember_label_en-US" xlink:label="lab_acb_ParticipationRightWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Participation Right Warrants [Member] </link:label>
<link:label id="lab_acb_ParticipationRightWarrantsMember_documentation_en-US" xlink:label="lab_acb_ParticipationRightWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Participation Right Warrants [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ParticipationRightWarrantsMember" xlink:href="acb-20210630.xsd#acb_ParticipationRightWarrantsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ParticipationRightWarrantsMember" xlink:to="lab_acb_ParticipationRightWarrantsMember" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityEmergingGrowthCompany_4cec22ea-0258-4332-9d89-b6f1b3744798_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Emerging Growth Company </link:label>
<link:label id="lab_dei_EntityEmergingGrowthCompany_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Emerging Growth Company </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityEmergingGrowthCompany"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate_20c60a29-155f-41e0-8158-7094d454db38_terseLabel_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proportion of ownership interest in associate </link:label>
<link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate_label_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proportion of ownership interest in associate </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProportionOfOwnershipInterestInAssociate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:to="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ExpenseOfRestructuringActivities_820b6ab5-1bb1-4a9c-a9ca-9439725c9be2_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring charges </link:label>
<link:label id="lab_ifrs-full_ExpenseOfRestructuringActivities_06758113-9254-4e76-87a2-6b210aab9ef7_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expense of restructuring activities </link:label>
<link:label id="lab_ifrs-full_ExpenseOfRestructuringActivities_label_en-US" xlink:label="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expense of restructuring activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseOfRestructuringActivities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ExpenseOfRestructuringActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseOfRestructuringActivities" xlink:to="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ComputerSoftwareMember_3f8f9560-304b-476a-a48b-cb22948ae801_terseLabel_en-US" xlink:label="lab_ifrs-full_ComputerSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Software </link:label>
<link:label id="lab_ifrs-full_ComputerSoftwareMember_label_en-US" xlink:label="lab_ifrs-full_ComputerSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Computer software [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComputerSoftwareMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComputerSoftwareMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComputerSoftwareMember" xlink:to="lab_ifrs-full_ComputerSoftwareMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_HistoricalVolatilityForSharesMeasurementInputMember_244a0158-e258-41b5-a928-98c7325a887f_terseLabel_en-US" xlink:label="lab_ifrs-full_HistoricalVolatilityForSharesMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Historical volatility for shares </link:label>
<link:label id="lab_ifrs-full_HistoricalVolatilityForSharesMeasurementInputMember_label_en-US" xlink:label="lab_ifrs-full_HistoricalVolatilityForSharesMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Historical volatility for shares, measurement input [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HistoricalVolatilityForSharesMeasurementInputMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_HistoricalVolatilityForSharesMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HistoricalVolatilityForSharesMeasurementInputMember" xlink:to="lab_ifrs-full_HistoricalVolatilityForSharesMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_52c5a2f0-ee3c-4018-b719-8609590a3c1d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payments of principal portion of lease liabilities </link:label>
<link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payments of lease liabilities, classified as financing activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfSharesIssuedForEarnOutPayments_eb34d7c5-37e9-4efd-b8ab-71fe1124ba0b_terseLabel_en-US" xlink:label="lab_acb_NumberOfSharesIssuedForEarnOutPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shares issued for earn out payments (in shares) </link:label>
<link:label id="lab_acb_NumberOfSharesIssuedForEarnOutPayments_label_en-US" xlink:label="lab_acb_NumberOfSharesIssuedForEarnOutPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Issued For Earn Out Payments </link:label>
<link:label id="lab_acb_NumberOfSharesIssuedForEarnOutPayments_documentation_en-US" xlink:label="lab_acb_NumberOfSharesIssuedForEarnOutPayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Issued For Earn Out Payments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfSharesIssuedForEarnOutPayments" xlink:href="acb-20210630.xsd#acb_NumberOfSharesIssuedForEarnOutPayments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfSharesIssuedForEarnOutPayments" xlink:to="lab_acb_NumberOfSharesIssuedForEarnOutPayments" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_2b942912-3dd0-4d0c-9311-0a7cc1863bef_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of changes in equity [line items] </link:label>
<link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of changes in equity [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfChangesInEquityLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_dei_AnnualInformationForm_89c77f39-0058-4eb8-8200-573a67c4cc30_terseLabel_en-US" xlink:label="lab_dei_AnnualInformationForm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Annual Information Form </link:label>
<link:label id="lab_dei_AnnualInformationForm_label_en-US" xlink:label="lab_dei_AnnualInformationForm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Annual Information Form </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_AnnualInformationForm" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_AnnualInformationForm"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AnnualInformationForm" xlink:to="lab_dei_AnnualInformationForm" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsRedemptionPeriodDomain_db83298c-1802-4bbf-a0f8-9c98185ea991_terseLabel_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Redemption, Period [Domain] </link:label>
<link:label id="lab_acb_BorrowingsRedemptionPeriodDomain_label_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Redemption, Period [Domain] </link:label>
<link:label id="lab_acb_BorrowingsRedemptionPeriodDomain_documentation_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> [Domain] for Borrowings, Redemption, Period [Axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsRedemptionPeriodDomain" xlink:href="acb-20210630.xsd#acb_BorrowingsRedemptionPeriodDomain"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsRedemptionPeriodDomain" xlink:to="lab_acb_BorrowingsRedemptionPeriodDomain" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdjustmentsForSharebasedPayments_4d05709d-58a2-4b51-8d85-c14d88960560_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share-based compensation </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForSharebasedPayments_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for share-based payments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForSharebasedPayments" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForSharebasedPayments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForSharebasedPayments" xlink:to="lab_ifrs-full_AdjustmentsForSharebasedPayments" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncometaxesAbstract_47981631-4dc4-4d99-8376-657e3c2a743b_terseLabel_en-US" xlink:label="lab_acb_IncometaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income taxes [Abstract] </link:label>
<link:label id="lab_acb_IncometaxesAbstract_label_en-US" xlink:label="lab_acb_IncometaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income taxes [Abstract] </link:label>
<link:label id="lab_acb_IncometaxesAbstract_documentation_en-US" xlink:label="lab_acb_IncometaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income taxes [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncometaxesAbstract" xlink:href="acb-20210630.xsd#acb_IncometaxesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncometaxesAbstract" xlink:to="lab_acb_IncometaxesAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_UnitedStatesCBDCashGeneratingUnitMember_a3e86cb9-3d6e-4271-b749-28b478c6a43a_terseLabel_en-US" xlink:label="lab_acb_UnitedStatesCBDCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> U.S. CBD GCU </link:label>
<link:label id="lab_acb_UnitedStatesCBDCashGeneratingUnitMember_label_en-US" xlink:label="lab_acb_UnitedStatesCBDCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> United States CBD Cash Generating Unit [Member] </link:label>
<link:label id="lab_acb_UnitedStatesCBDCashGeneratingUnitMember_documentation_en-US" xlink:label="lab_acb_UnitedStatesCBDCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> United States CBD Cash Generating Unit [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_UnitedStatesCBDCashGeneratingUnitMember" xlink:href="acb-20210630.xsd#acb_UnitedStatesCBDCashGeneratingUnitMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_UnitedStatesCBDCashGeneratingUnitMember" xlink:to="lab_acb_UnitedStatesCBDCashGeneratingUnitMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory_596df9b6-7ee7-466c-a109-4309561c9dc0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments </link:label>
<link:label id="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of interests in other entities [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncreaseDecreaseThroughSharesIssuedForEarnOutPayments_e31fb684-c8d0-4a6b-99f7-9141efcc9ed7_terseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughSharesIssuedForEarnOutPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shares issued for earn out payments </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughSharesIssuedForEarnOutPayments_label_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughSharesIssuedForEarnOutPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Shares Issued For Earn Out Payments </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughSharesIssuedForEarnOutPayments_documentation_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughSharesIssuedForEarnOutPayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Shares Issued For Earn Out Payments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseDecreaseThroughSharesIssuedForEarnOutPayments" xlink:href="acb-20210630.xsd#acb_IncreaseDecreaseThroughSharesIssuedForEarnOutPayments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncreaseDecreaseThroughSharesIssuedForEarnOutPayments" xlink:to="lab_acb_IncreaseDecreaseThroughSharesIssuedForEarnOutPayments" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts_06804ee9-e1f9-461d-87a4-b11cadebbc57_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current assets other than financial instruments and deferred tax assets </link:label>
<link:label id="lab_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets, and rights arising under insurance contracts </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:to="lab_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:type="arc" order="1"/>
<link:label id="lab_dei_ContactPersonnelName_a1b9ca4d-9c9b-412e-ab08-9f99aa38b20a_terseLabel_en-US" xlink:label="lab_dei_ContactPersonnelName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Contact Personnel Name </link:label>
<link:label id="lab_dei_ContactPersonnelName_label_en-US" xlink:label="lab_dei_ContactPersonnelName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Contact Personnel Name </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_ContactPersonnelName" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_ContactPersonnelName"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_ContactPersonnelName" xlink:to="lab_dei_ContactPersonnelName" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FundedDebtToShareholdersEquityRatio_aedc0409-b7c5-4bfb-8bad-b1198c0d2616_terseLabel_en-US" xlink:label="lab_acb_FundedDebtToShareholdersEquityRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Funded debt to shareholders' equity ratio </link:label>
<link:label id="lab_acb_FundedDebtToShareholdersEquityRatio_label_en-US" xlink:label="lab_acb_FundedDebtToShareholdersEquityRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Funded Debt To Shareholders Equity Ratio </link:label>
<link:label id="lab_acb_FundedDebtToShareholdersEquityRatio_documentation_en-US" xlink:label="lab_acb_FundedDebtToShareholdersEquityRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Funded Debt To Shareholders Equity Ratio </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FundedDebtToShareholdersEquityRatio" xlink:href="acb-20210630.xsd#acb_FundedDebtToShareholdersEquityRatio"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FundedDebtToShareholdersEquityRatio" xlink:to="lab_acb_FundedDebtToShareholdersEquityRatio" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentTradeReceivables_c64ade54-2069-4da9-b236-57893d417258_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTradeReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Trade receivables </link:label>
<link:label id="lab_ifrs-full_CurrentTradeReceivables_label_en-US" xlink:label="lab_ifrs-full_CurrentTradeReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current trade receivables </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTradeReceivables" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentTradeReceivables"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTradeReceivables" xlink:to="lab_ifrs-full_CurrentTradeReceivables" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AmountsReceivablePayableRelatedPartyTransactions_e7681e40-4ecb-4a45-9e13-d84a733f17a3_totalLabel_en-US" xlink:label="lab_acb_AmountsReceivablePayableRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts receivable from (payable to) related parties </link:label>
<link:label id="lab_acb_AmountsReceivablePayableRelatedPartyTransactions_label_en-US" xlink:label="lab_acb_AmountsReceivablePayableRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts Receivable (Payable), Related Party Transactions </link:label>
<link:label id="lab_acb_AmountsReceivablePayableRelatedPartyTransactions_documentation_en-US" xlink:label="lab_acb_AmountsReceivablePayableRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts Receivable (Payable), Related Party Transactions </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AmountsReceivablePayableRelatedPartyTransactions" xlink:href="acb-20210630.xsd#acb_AmountsReceivablePayableRelatedPartyTransactions"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AmountsReceivablePayableRelatedPartyTransactions" xlink:to="lab_acb_AmountsReceivablePayableRelatedPartyTransactions" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePriceGreaterThanConversionPriceTermAfterCompletionOfLiquidityEvent_9eca1c73-2948-4d88-a84f-c4c084a4ce1e_terseLabel_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePriceGreaterThanConversionPriceTermAfterCompletionOfLiquidityEvent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants, exercise price, greater than conversion price, term after completion of liquidity event </link:label>
<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePriceGreaterThanConversionPriceTermAfterCompletionOfLiquidityEvent_label_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePriceGreaterThanConversionPriceTermAfterCompletionOfLiquidityEvent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Composition Of Financial Assets Purchased, Warrants, Exercise Price, Greater Than Conversion Price, Term After Completion Of Liquidity Event </link:label>
<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePriceGreaterThanConversionPriceTermAfterCompletionOfLiquidityEvent_documentation_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePriceGreaterThanConversionPriceTermAfterCompletionOfLiquidityEvent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Composition Of Financial Assets Purchased, Warrants, Exercise Price, Greater Than Conversion Price, Term After Completion Of Liquidity Event </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePriceGreaterThanConversionPriceTermAfterCompletionOfLiquidityEvent" xlink:href="acb-20210630.xsd#acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePriceGreaterThanConversionPriceTermAfterCompletionOfLiquidityEvent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePriceGreaterThanConversionPriceTermAfterCompletionOfLiquidityEvent" xlink:to="lab_acb_CompositionOfFinancialAssetsPurchasedWarrantsExercisePriceGreaterThanConversionPriceTermAfterCompletionOfLiquidityEvent" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests_7f941cee-2f60-4946-b2de-9ef400bdc027_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net loss from discontinued operations attributable to Non-controlling interests </link:label>
<link:label id="lab_ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (loss) from discontinued operations attributable to non-controlling interests </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests" xlink:to="lab_ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GrossContingentConsiderationArrangementsAndIndemnificationAssetsRecognisedAsOfAcquisitionDate_7a291ae9-f846-40bd-a9da-5250389a3781_terseLabel_en-US" xlink:label="lab_acb_GrossContingentConsiderationArrangementsAndIndemnificationAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross contingent consideration </link:label>
<link:label id="lab_acb_GrossContingentConsiderationArrangementsAndIndemnificationAssetsRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_acb_GrossContingentConsiderationArrangementsAndIndemnificationAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross Contingent Consideration Arrangements And Indemnification Assets Recognised As Of Acquisition Date </link:label>
<link:label id="lab_acb_GrossContingentConsiderationArrangementsAndIndemnificationAssetsRecognisedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_acb_GrossContingentConsiderationArrangementsAndIndemnificationAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross Contingent Consideration Arrangements And Indemnification Assets Recognised As Of Acquisition Date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GrossContingentConsiderationArrangementsAndIndemnificationAssetsRecognisedAsOfAcquisitionDate" xlink:href="acb-20210630.xsd#acb_GrossContingentConsiderationArrangementsAndIndemnificationAssetsRecognisedAsOfAcquisitionDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_GrossContingentConsiderationArrangementsAndIndemnificationAssetsRecognisedAsOfAcquisitionDate" xlink:to="lab_acb_GrossContingentConsiderationArrangementsAndIndemnificationAssetsRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CreditFacilityBMember_72d3b826-d915-4ac3-8c2d-0d5d1bcea0ca_terseLabel_en-US" xlink:label="lab_acb_CreditFacilityBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Facility B </link:label>
<link:label id="lab_acb_CreditFacilityBMember_label_en-US" xlink:label="lab_acb_CreditFacilityBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit Facility B [Member] </link:label>
<link:label id="lab_acb_CreditFacilityBMember_documentation_en-US" xlink:label="lab_acb_CreditFacilityBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit Facility B [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CreditFacilityBMember" xlink:href="acb-20210630.xsd#acb_CreditFacilityBMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CreditFacilityBMember" xlink:to="lab_acb_CreditFacilityBMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_056f0035-4e7b-4cf9-99e6-69c3225cdd8a_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net cash provided by financing activities </link:label>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash flows from (used in) financing activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_34e6a79c-a5a0-43a7-89ad-13b91822f356_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-controlling interests </link:label>
<link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Comprehensive income, attributable to non-controlling interests </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019_e04c14a4-1c58-452a-b7fa-c2198e81594b_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expired (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average exercise price of share options expired in share-based payment arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
<link:label id="lab_acb_KeyManagementPersonnelCompensationDirectorsFees_3c8ec9b3-3c08-40de-b55a-81959ea328f5_terseLabel_en-US" xlink:label="lab_acb_KeyManagementPersonnelCompensationDirectorsFees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Directors’ fees </link:label>
<link:label id="lab_acb_KeyManagementPersonnelCompensationDirectorsFees_label_en-US" xlink:label="lab_acb_KeyManagementPersonnelCompensationDirectorsFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Key Management Personnel Compensation, Directors' Fees </link:label>
<link:label id="lab_acb_KeyManagementPersonnelCompensationDirectorsFees_documentation_en-US" xlink:label="lab_acb_KeyManagementPersonnelCompensationDirectorsFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Key Management Personnel Compensation, Directors' Fees </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_KeyManagementPersonnelCompensationDirectorsFees" xlink:href="acb-20210630.xsd#acb_KeyManagementPersonnelCompensationDirectorsFees"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_KeyManagementPersonnelCompensationDirectorsFees" xlink:to="lab_acb_KeyManagementPersonnelCompensationDirectorsFees" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_2a3db811-cafc-4968-a6c2-ae1551ea98ac_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value measurement of assets [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value measurement of assets [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_Goodwill_980b3746-65eb-4000-b79b-60422e64d0cb_terseLabel_en-US" xlink:label="lab_ifrs-full_Goodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill </link:label>
<link:label id="lab_ifrs-full_Goodwill_label_en-US" xlink:label="lab_ifrs-full_Goodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Goodwill" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Goodwill"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Goodwill" xlink:to="lab_ifrs-full_Goodwill" xlink:type="arc" order="1"/>
<link:label id="lab_dei_TradingSymbol_36c0bed9-9de0-43ba-ae98-211b857f4add_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Trading Symbol </link:label>
<link:label id="lab_dei_TradingSymbol_label_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Trading Symbol </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_TradingSymbol"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol" xlink:to="lab_dei_TradingSymbol" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AccretionBorrowings_119a6b2e-90dc-496a-aa45-3c0822809484_terseLabel_en-US" xlink:label="lab_acb_AccretionBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accretion </link:label>
<link:label id="lab_acb_AccretionBorrowings_label_en-US" xlink:label="lab_acb_AccretionBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accretion, Borrowings </link:label>
<link:label id="lab_acb_AccretionBorrowings_documentation_en-US" xlink:label="lab_acb_AccretionBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accretion, Borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AccretionBorrowings" xlink:href="acb-20210630.xsd#acb_AccretionBorrowings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AccretionBorrowings" xlink:to="lab_acb_AccretionBorrowings" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrencyRiskMember_473eb803-9f64-4d04-b71a-e620adbe130d_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Currency risk </link:label>
<link:label id="lab_ifrs-full_CurrencyRiskMember_label_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Currency risk [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrencyRiskMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrencyRiskMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrencyRiskMember" xlink:to="lab_ifrs-full_CurrencyRiskMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_SharePrice_d3741866-db4e-4207-90fd-e9859158b560_verboseLabel_en-US" xlink:label="lab_acb_SharePrice" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share price (in AUD per share) </link:label>
<link:label id="lab_acb_SharePrice_6e170b98-2d92-4e63-a4f7-8f8ce36ebfd5_terseLabel_en-US" xlink:label="lab_acb_SharePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share price (in CAD per share) </link:label>
<link:label id="lab_acb_SharePrice_label_en-US" xlink:label="lab_acb_SharePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share Price </link:label>
<link:label id="lab_acb_SharePrice_documentation_en-US" xlink:label="lab_acb_SharePrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share Price </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_SharePrice" xlink:href="acb-20210630.xsd#acb_SharePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_SharePrice" xlink:to="lab_acb_SharePrice" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ServicesReceivedProductionRelatedPartyTransactions_95dd524c-1b39-46df-a3e0-61d016dc524e_terseLabel_en-US" xlink:label="lab_acb_ServicesReceivedProductionRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Production costs </link:label>
<link:label id="lab_acb_ServicesReceivedProductionRelatedPartyTransactions_label_en-US" xlink:label="lab_acb_ServicesReceivedProductionRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Services Received, Production, Related Party Transactions </link:label>
<link:label id="lab_acb_ServicesReceivedProductionRelatedPartyTransactions_documentation_en-US" xlink:label="lab_acb_ServicesReceivedProductionRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Services Received, Production, Related Party Transactions </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ServicesReceivedProductionRelatedPartyTransactions" xlink:href="acb-20210630.xsd#acb_ServicesReceivedProductionRelatedPartyTransactions"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ServicesReceivedProductionRelatedPartyTransactions" xlink:to="lab_acb_ServicesReceivedProductionRelatedPartyTransactions" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OtherIncomeExpense_2dbbef11-9938-4b2d-9c87-fb70d523244e_totalLabel_en-US" xlink:label="lab_acb_OtherIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total </link:label>
<link:label id="lab_acb_OtherIncomeExpense_b24b0746-d376-4453-9ece-8d126a06f89c_negatedTerseLabel_en-US" xlink:label="lab_acb_OtherIncomeExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other expenses </link:label>
<link:label id="lab_acb_OtherIncomeExpense_label_en-US" xlink:label="lab_acb_OtherIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Income (Expense) </link:label>
<link:label id="lab_acb_OtherIncomeExpense_documentation_en-US" xlink:label="lab_acb_OtherIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Income (Expense) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OtherIncomeExpense" xlink:href="acb-20210630.xsd#acb_OtherIncomeExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OtherIncomeExpense" xlink:to="lab_acb_OtherIncomeExpense" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember_b462e2ac-2d2b-43c8-ad15-f759faec4972_terseLabel_en-US" xlink:label="lab_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Patents </link:label>
<link:label id="lab_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember_label_en-US" xlink:label="lab_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Copyrights, patents and other industrial property rights, service and operating rights [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember" xlink:to="lab_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CustomerRelatedAndDistributionNetworkIntangibleAssetsMember_28a13ab4-ecd2-4b32-8aa3-433699100a34_terseLabel_en-US" xlink:label="lab_acb_CustomerRelatedAndDistributionNetworkIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer relationships and distribution network </link:label>
<link:label id="lab_acb_CustomerRelatedAndDistributionNetworkIntangibleAssetsMember_label_en-US" xlink:label="lab_acb_CustomerRelatedAndDistributionNetworkIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer-Related And Distribution Network Intangible Assets [Member] </link:label>
<link:label id="lab_acb_CustomerRelatedAndDistributionNetworkIntangibleAssetsMember_documentation_en-US" xlink:label="lab_acb_CustomerRelatedAndDistributionNetworkIntangibleAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer-Related And Distribution Network Intangible Assets [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CustomerRelatedAndDistributionNetworkIntangibleAssetsMember" xlink:href="acb-20210630.xsd#acb_CustomerRelatedAndDistributionNetworkIntangibleAssetsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CustomerRelatedAndDistributionNetworkIntangibleAssetsMember" xlink:to="lab_acb_CustomerRelatedAndDistributionNetworkIntangibleAssetsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxLiabilitiesInventoriesMember_e9c48245-4cb9-4780-bc44-1a41be2b148d_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesInventoriesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventory </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesInventoriesMember_label_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesInventoriesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Inventories [Member] </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesInventoriesMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesInventoriesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Inventories [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxLiabilitiesInventoriesMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxLiabilitiesInventoriesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxLiabilitiesInventoriesMember" xlink:to="lab_acb_DeferredTaxLiabilitiesInventoriesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutChangesInNonCashWorkingCapitalExplanatoryTableTextBlock_d075ef29-13d2-4ff6-8aa4-849e6f6c1cdc_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutChangesInNonCashWorkingCapitalExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Changes in Non-Cash Working Capital </link:label>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutChangesInNonCashWorkingCapitalExplanatoryTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutChangesInNonCashWorkingCapitalExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Detailed Information About Changes In Non-Cash Working Capital, Explanatory [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutChangesInNonCashWorkingCapitalExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutChangesInNonCashWorkingCapitalExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Detailed Information About Changes In Non-Cash Working Capital, Explanatory [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfDetailedInformationAboutChangesInNonCashWorkingCapitalExplanatoryTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfDetailedInformationAboutChangesInNonCashWorkingCapitalExplanatoryTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfDetailedInformationAboutChangesInNonCashWorkingCapitalExplanatoryTableTextBlock" xlink:to="lab_acb_DisclosureOfDetailedInformationAboutChangesInNonCashWorkingCapitalExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfWarrantsHeldByEntityExpirationsInPeriod_9445225a-5ea8-416d-b95b-a9240f04bf24_terseLabel_en-US" xlink:label="lab_acb_NumberOfWarrantsHeldByEntityExpirationsInPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrant expirations in period (in shares) </link:label>
<link:label id="lab_acb_NumberOfWarrantsHeldByEntityExpirationsInPeriod_label_en-US" xlink:label="lab_acb_NumberOfWarrantsHeldByEntityExpirationsInPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Held By Entity, Expirations In Period </link:label>
<link:label id="lab_acb_NumberOfWarrantsHeldByEntityExpirationsInPeriod_documentation_en-US" xlink:label="lab_acb_NumberOfWarrantsHeldByEntityExpirationsInPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Held By Entity, Expirations In Period </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfWarrantsHeldByEntityExpirationsInPeriod" xlink:href="acb-20210630.xsd#acb_NumberOfWarrantsHeldByEntityExpirationsInPeriod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfWarrantsHeldByEntityExpirationsInPeriod" xlink:to="lab_acb_NumberOfWarrantsHeldByEntityExpirationsInPeriod" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivables_4882c12f-bff3-4106-83a4-36a7e67d48d5_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts receivable </link:label>
<link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivables_8dd6425f-1229-4c54-adce-4772d89ab87a_totalLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Trade and receivables </link:label>
<link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Trade and other current receivables </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentReceivables" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TradeAndOtherCurrentReceivables"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentReceivables" xlink:to="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DocumentandEntityInformationAbstract_b573681f-6dce-4fee-9854-453cacef0ea5_terseLabel_en-US" xlink:label="lab_acb_DocumentandEntityInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document and Entity Information [Abstract] </link:label>
<link:label id="lab_acb_DocumentandEntityInformationAbstract_label_en-US" xlink:label="lab_acb_DocumentandEntityInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document and Entity Information [Abstract] </link:label>
<link:label id="lab_acb_DocumentandEntityInformationAbstract_documentation_en-US" xlink:label="lab_acb_DocumentandEntityInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document and Entity Information [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DocumentandEntityInformationAbstract" xlink:href="acb-20210630.xsd#acb_DocumentandEntityInformationAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DocumentandEntityInformationAbstract" xlink:to="lab_acb_DocumentandEntityInformationAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesLineItems_875f808e-fbf8-4ed6-ae9d-08b21c4b7186_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Fair Value Measurements Of Assets And Liabilities [Line Items] </link:label>
<link:label id="lab_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesLineItems_label_en-US" xlink:label="lab_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Fair Value Measurements Of Assets And Liabilities [Line Items] </link:label>
<link:label id="lab_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesLineItems_documentation_en-US" xlink:label="lab_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> [Line Items] for Disclosure Of Fair Value Measurements Of Assets And Liabilities [Table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesLineItems" xlink:href="acb-20210630.xsd#acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesLineItems" xlink:to="lab_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NovemberOfferingWarrantMember_ca97f257-6931-4562-8a74-5c38d3308c4c_terseLabel_en-US" xlink:label="lab_acb_NovemberOfferingWarrantMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November Offering, Warrant </link:label>
<link:label id="lab_acb_NovemberOfferingWarrantMember_label_en-US" xlink:label="lab_acb_NovemberOfferingWarrantMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November Offering, Warrant [Member] </link:label>
<link:label id="lab_acb_NovemberOfferingWarrantMember_documentation_en-US" xlink:label="lab_acb_NovemberOfferingWarrantMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November Offering, Warrant </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NovemberOfferingWarrantMember" xlink:href="acb-20210630.xsd#acb_NovemberOfferingWarrantMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NovemberOfferingWarrantMember" xlink:to="lab_acb_NovemberOfferingWarrantMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations_5b8e5257-2632-45d1-ae6c-e651629888cf_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net proceeds from disposal </link:label>
<link:label id="lab_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations_328519c3-43dd-48cb-a944-3b8ccddd0dbf_negatedLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net proceeds from disposal </link:label>
<link:label id="lab_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations_b827b507-dad1-4656-a066-36d3ce95cf99_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from disposal </link:label>
<link:label id="lab_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from disposal of non-current assets or disposal groups classified as held for sale and discontinued operations </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:to="lab_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ParticipationAgreementAmountOfRisksInsured_462f8c18-1a9c-498f-a0c1-3c0783e30997_terseLabel_en-US" xlink:label="lab_acb_ParticipationAgreementAmountOfRisksInsured" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Participation agreement, amount of risks insured </link:label>
<link:label id="lab_acb_ParticipationAgreementAmountOfRisksInsured_label_en-US" xlink:label="lab_acb_ParticipationAgreementAmountOfRisksInsured" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Participation Agreement, Amount Of Risks Insured </link:label>
<link:label id="lab_acb_ParticipationAgreementAmountOfRisksInsured_documentation_en-US" xlink:label="lab_acb_ParticipationAgreementAmountOfRisksInsured" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Participation Agreement, Amount Of Risks Insured </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ParticipationAgreementAmountOfRisksInsured" xlink:href="acb-20210630.xsd#acb_ParticipationAgreementAmountOfRisksInsured"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ParticipationAgreementAmountOfRisksInsured" xlink:to="lab_acb_ParticipationAgreementAmountOfRisksInsured" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_MajorCustomersMember_19a2bc2a-8167-4845-b7e6-ef16d595bbde_terseLabel_en-US" xlink:label="lab_ifrs-full_MajorCustomersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customers [member] </link:label>
<link:label id="lab_ifrs-full_MajorCustomersMember_label_en-US" xlink:label="lab_ifrs-full_MajorCustomersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customers [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MajorCustomersMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_MajorCustomersMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MajorCustomersMember" xlink:to="lab_ifrs-full_MajorCustomersMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_b092ec92-3283-4bcb-b4f6-5641171a6f3c_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Marketable securities designated at FVTOCI </link:label>
<link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_abc0c69b-2268-4f94-80d2-8143290b3a48_verboseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Designated FVTOCI </link:label>
<link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial assets at fair value through other comprehensive income, category [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CreditFacilityCMember_39760a05-00d0-492c-a8a3-4e1f1aea461a_terseLabel_en-US" xlink:label="lab_acb_CreditFacilityCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Facility C </link:label>
<link:label id="lab_acb_CreditFacilityCMember_label_en-US" xlink:label="lab_acb_CreditFacilityCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit Facility C [Member] </link:label>
<link:label id="lab_acb_CreditFacilityCMember_documentation_en-US" xlink:label="lab_acb_CreditFacilityCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit Facility C [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CreditFacilityCMember" xlink:href="acb-20210630.xsd#acb_CreditFacilityCMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CreditFacilityCMember" xlink:to="lab_acb_CreditFacilityCMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RelivaLLCMember_31edf286-d049-419d-bf25-7d261bd97f5b_verboseLabel_en-US" xlink:label="lab_acb_RelivaLLCMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reliva, LLC (“Reliva”) </link:label>
<link:label id="lab_acb_RelivaLLCMember_label_en-US" xlink:label="lab_acb_RelivaLLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reliva, LLC [Member] </link:label>
<link:label id="lab_acb_RelivaLLCMember_documentation_en-US" xlink:label="lab_acb_RelivaLLCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reliva LLC [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RelivaLLCMember" xlink:href="acb-20210630.xsd#acb_RelivaLLCMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RelivaLLCMember" xlink:to="lab_acb_RelivaLLCMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExpectedLifeMeasurementInputMember_e6a274ae-0cc1-4fb2-96f0-396a016c722b_terseLabel_en-US" xlink:label="lab_acb_ExpectedLifeMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected life </link:label>
<link:label id="lab_acb_ExpectedLifeMeasurementInputMember_label_en-US" xlink:label="lab_acb_ExpectedLifeMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected Life, Measurement Input [Member] </link:label>
<link:label id="lab_acb_ExpectedLifeMeasurementInputMember_documentation_en-US" xlink:label="lab_acb_ExpectedLifeMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected Life, Measurement Input [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExpectedLifeMeasurementInputMember" xlink:href="acb-20210630.xsd#acb_ExpectedLifeMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExpectedLifeMeasurementInputMember" xlink:to="lab_acb_ExpectedLifeMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NovemberOfferingCommonStockMember_debf7528-1813-463e-8a2c-48199f39cb0d_terseLabel_en-US" xlink:label="lab_acb_NovemberOfferingCommonStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November Offering, Common Stock </link:label>
<link:label id="lab_acb_NovemberOfferingCommonStockMember_label_en-US" xlink:label="lab_acb_NovemberOfferingCommonStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November Offering, Common Stock [Member] </link:label>
<link:label id="lab_acb_NovemberOfferingCommonStockMember_documentation_en-US" xlink:label="lab_acb_NovemberOfferingCommonStockMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November Offering, Common Stock </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NovemberOfferingCommonStockMember" xlink:href="acb-20210630.xsd#acb_NovemberOfferingCommonStockMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NovemberOfferingCommonStockMember" xlink:to="lab_acb_NovemberOfferingCommonStockMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseInWorkingCapital_81a5e1a9-0683-49d2-a579-3882e34d5dec_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Changes in non-cash working capital </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseInWorkingCapital_c79ba9cc-2c3d-44f0-90c7-3e1d39d4284b_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Changes in operating assets and liabilities </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseInWorkingCapital_8b8b8f78-e975-4346-869c-58907fa27ea1_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) in working capital </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseInWorkingCapital_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) in working capital </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInWorkingCapital"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:to="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FiscalQuarterEndedJune302021Member_5dce73ca-bf16-432f-b72e-f1328d86f7b9_terseLabel_en-US" xlink:label="lab_acb_FiscalQuarterEndedJune302021Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fiscal quarter ended June 30, 2021 </link:label>
<link:label id="lab_acb_FiscalQuarterEndedJune302021Member_label_en-US" xlink:label="lab_acb_FiscalQuarterEndedJune302021Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fiscal Quarter Ended June 30, 2021 [Member] </link:label>
<link:label id="lab_acb_FiscalQuarterEndedJune302021Member_documentation_en-US" xlink:label="lab_acb_FiscalQuarterEndedJune302021Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fiscal Quarter Ended June 30, 2021 [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FiscalQuarterEndedJune302021Member" xlink:href="acb-20210630.xsd#acb_FiscalQuarterEndedJune302021Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FiscalQuarterEndedJune302021Member" xlink:to="lab_acb_FiscalQuarterEndedJune302021Member" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AccountsPayableAndAccruedLiabilitiesRecognisedAsOfAcquisitionDate_6dff8069-eb0a-4e41-888c-6df199e91564_negatedTerseLabel_en-US" xlink:label="lab_acb_AccountsPayableAndAccruedLiabilitiesRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts payable and accrued liabilities </link:label>
<link:label id="lab_acb_AccountsPayableAndAccruedLiabilitiesRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_acb_AccountsPayableAndAccruedLiabilitiesRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts Payable And Accrued Liabilities Recognised As Of Acquisition Date </link:label>
<link:label id="lab_acb_AccountsPayableAndAccruedLiabilitiesRecognisedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_acb_AccountsPayableAndAccruedLiabilitiesRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts Payable And Accrued Liabilities Recognised As Of Acquisition Date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AccountsPayableAndAccruedLiabilitiesRecognisedAsOfAcquisitionDate" xlink:href="acb-20210630.xsd#acb_AccountsPayableAndAccruedLiabilitiesRecognisedAsOfAcquisitionDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AccountsPayableAndAccruedLiabilitiesRecognisedAsOfAcquisitionDate" xlink:to="lab_acb_AccountsPayableAndAccruedLiabilitiesRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets_68631a27-7b34-4c5c-a618-4e92c89aa8e1_terseLabel_en-US" xlink:label="lab_ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Provision for expected credit losses </link:label>
<link:label id="lab_ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Allowance account for credit losses of financial assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:to="lab_ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:type="arc" order="1"/>
<link:label id="lab_dei_DocumentType_026d7e85-da2b-4bc5-aedb-b2fa2b90ca22_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document Type </link:label>
<link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document Type </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentType"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CustomerDMember_f5e90e42-8678-43b3-bdb8-ab6f1e109018_terseLabel_en-US" xlink:label="lab_acb_CustomerDMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer D </link:label>
<link:label id="lab_acb_CustomerDMember_label_en-US" xlink:label="lab_acb_CustomerDMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer D [Member] </link:label>
<link:label id="lab_acb_CustomerDMember_documentation_en-US" xlink:label="lab_acb_CustomerDMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Customer D [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CustomerDMember" xlink:href="acb-20210630.xsd#acb_CustomerDMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CustomerDMember" xlink:to="lab_acb_CustomerDMember" xlink:type="arc" order="1"/>
<link:label id="lab_dei_IcfrAuditorAttestationFlag_7674fbb1-ac10-441f-9551-6a15b3e60dfe_terseLabel_en-US" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> ICFR Auditor Attestation Flag </link:label>
<link:label id="lab_dei_IcfrAuditorAttestationFlag_label_en-US" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> ICFR Auditor Attestation Flag </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_IcfrAuditorAttestationFlag" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_IcfrAuditorAttestationFlag"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_IcfrAuditorAttestationFlag" xlink:to="lab_dei_IcfrAuditorAttestationFlag" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RealizedFairValueAdjustmentsOnInventorySold_39c5e7cc-c6c9-4059-b0c3-36870f9ab265_terseLabel_en-US" xlink:label="lab_acb_RealizedFairValueAdjustmentsOnInventorySold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Changes in fair value included in inventory sold </link:label>
<link:label id="lab_acb_RealizedFairValueAdjustmentsOnInventorySold_label_en-US" xlink:label="lab_acb_RealizedFairValueAdjustmentsOnInventorySold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Realized Fair Value Adjustments On Inventory Sold </link:label>
<link:label id="lab_acb_RealizedFairValueAdjustmentsOnInventorySold_documentation_en-US" xlink:label="lab_acb_RealizedFairValueAdjustmentsOnInventorySold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Realized Fair Value Adjustments On Inventory Sold </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RealizedFairValueAdjustmentsOnInventorySold" xlink:href="acb-20210630.xsd#acb_RealizedFairValueAdjustmentsOnInventorySold"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RealizedFairValueAdjustmentsOnInventorySold" xlink:to="lab_acb_RealizedFairValueAdjustmentsOnInventorySold" xlink:type="arc" order="1"/>
<link:label id="lab_acb_VariableConsiderationActualAndEstimatedFutureReturnsAndPriceAdjustments_1a0cb548-35ff-40ae-aaef-d5cfa59c75d2_terseLabel_en-US" xlink:label="lab_acb_VariableConsiderationActualAndEstimatedFutureReturnsAndPriceAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Variable consideration, actual and estimated future returns and price adjustments </link:label>
<link:label id="lab_acb_VariableConsiderationActualAndEstimatedFutureReturnsAndPriceAdjustments_label_en-US" xlink:label="lab_acb_VariableConsiderationActualAndEstimatedFutureReturnsAndPriceAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Variable Consideration, Actual And Estimated Future Returns And Price Adjustments </link:label>
<link:label id="lab_acb_VariableConsiderationActualAndEstimatedFutureReturnsAndPriceAdjustments_documentation_en-US" xlink:label="lab_acb_VariableConsiderationActualAndEstimatedFutureReturnsAndPriceAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Variable Consideration, Actual And Estimated Future Returns And Price Adjustments </link:label>
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<link:label id="lab_acb_CreditFacilityMember_3502902e-4585-47f4-a961-a9afc9819e8d_terseLabel_en-US" xlink:label="lab_acb_CreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit Facility </link:label>
<link:label id="lab_acb_CreditFacilityMember_label_en-US" xlink:label="lab_acb_CreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit Facility [Member] </link:label>
<link:label id="lab_acb_CreditFacilityMember_documentation_en-US" xlink:label="lab_acb_CreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit Facility [Member] </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CreditFacilityMember" xlink:to="lab_acb_CreditFacilityMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_4808788a-984f-481b-8321-799b15b6d0e1_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reconciliation of changes in property, plant and equipment [abstract] </link:label>
<link:label id="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reconciliation of changes in property, plant and equipment [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract"/>
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<link:label id="lab_acb_BorrowingsCovenantMinimumRestrictedCashBalance_261d0bbe-1127-4651-b539-4c1848e0d600_terseLabel_en-US" xlink:label="lab_acb_BorrowingsCovenantMinimumRestrictedCashBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Minimum restricted cash balance </link:label>
<link:label id="lab_acb_BorrowingsCovenantMinimumRestrictedCashBalance_label_en-US" xlink:label="lab_acb_BorrowingsCovenantMinimumRestrictedCashBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Minimum Restricted Cash Balance </link:label>
<link:label id="lab_acb_BorrowingsCovenantMinimumRestrictedCashBalance_documentation_en-US" xlink:label="lab_acb_BorrowingsCovenantMinimumRestrictedCashBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Minimum Restricted Cash Balance </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsCovenantMinimumRestrictedCashBalance" xlink:href="acb-20210630.xsd#acb_BorrowingsCovenantMinimumRestrictedCashBalance"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsCovenantMinimumRestrictedCashBalance" xlink:to="lab_acb_BorrowingsCovenantMinimumRestrictedCashBalance" xlink:type="arc" order="1"/>
<link:label id="lab_acb_A2019AtTheMarketProgramMember_159d19f6-877e-461f-a222-be1f8d02f013_terseLabel_en-US" xlink:label="lab_acb_A2019AtTheMarketProgramMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 2019 At-the-Market Program </link:label>
<link:label id="lab_acb_A2019AtTheMarketProgramMember_label_en-US" xlink:label="lab_acb_A2019AtTheMarketProgramMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 2019 At-The-Market Program [Member] </link:label>
<link:label id="lab_acb_A2019AtTheMarketProgramMember_documentation_en-US" xlink:label="lab_acb_A2019AtTheMarketProgramMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 2019 At-The-Market Program </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_A2019AtTheMarketProgramMember" xlink:to="lab_acb_A2019AtTheMarketProgramMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FiscalQuarterEndedDecember312020Member_ff0076a7-2c49-4802-864f-4d10ae5c81ed_terseLabel_en-US" xlink:label="lab_acb_FiscalQuarterEndedDecember312020Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fiscal quarter ended December 31, 2020 </link:label>
<link:label id="lab_acb_FiscalQuarterEndedDecember312020Member_label_en-US" xlink:label="lab_acb_FiscalQuarterEndedDecember312020Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fiscal Quarter Ended December 31, 2020 [Member] </link:label>
<link:label id="lab_acb_FiscalQuarterEndedDecember312020Member_documentation_en-US" xlink:label="lab_acb_FiscalQuarterEndedDecember312020Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fiscal Quarter Ended December 31, 2020 [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FiscalQuarterEndedDecember312020Member" xlink:href="acb-20210630.xsd#acb_FiscalQuarterEndedDecember312020Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FiscalQuarterEndedDecember312020Member" xlink:to="lab_acb_FiscalQuarterEndedDecember312020Member" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AdjustedBalancesForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_86e56483-079f-4157-af93-93a32fd37fb4_verboseLabel_en-US" xlink:label="lab_acb_AdjustedBalancesForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Final </link:label>
<link:label id="lab_acb_AdjustedBalancesForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_label_en-US" xlink:label="lab_acb_AdjustedBalancesForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjusted Balances For Each Major Class Of Assets Acquired And Liabilities Assumed [Abstract] </link:label>
<link:label id="lab_acb_AdjustedBalancesForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_documentation_en-US" xlink:label="lab_acb_AdjustedBalancesForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjusted Balances For Each Major Class Of Assets Acquired And Liabilities Assumed [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AdjustedBalancesForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:href="acb-20210630.xsd#acb_AdjustedBalancesForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract"/>
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<link:label id="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_43768b9d-c621-4bfc-8495-087fbcaf3660_verboseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Granted (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of share options granted in share-based payment arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement"/>
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<link:label id="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentLossOfRemainingRentMember_828fd968-e419-44b8-b4c6-892aa94d3b25_terseLabel_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentLossOfRemainingRentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal proceedings contingent liability, unpaid rent, loss of remaining rent </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentLossOfRemainingRentMember_label_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentLossOfRemainingRentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Unpaid Rent, Loss Of Remaining Rent [Member] </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentLossOfRemainingRentMember_documentation_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentLossOfRemainingRentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Unpaid Rent, Loss Of Remaining Rent </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LegalProceedingsContingentLiabilityUnpaidRentLossOfRemainingRentMember" xlink:href="acb-20210630.xsd#acb_LegalProceedingsContingentLiabilityUnpaidRentLossOfRemainingRentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LegalProceedingsContingentLiabilityUnpaidRentLossOfRemainingRentMember" xlink:to="lab_acb_LegalProceedingsContingentLiabilityUnpaidRentLossOfRemainingRentMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_72f03373-9bbd-4b97-9d02-19be44e06f3c_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions </link:label>
<link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions other than through business combinations, property, plant and equipment </link:label>
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<link:label id="lab_acb_TaxEffectOfNonDeductiblePortionOfCapitalGains_61138ff6-7687-49eb-adab-f828b2023fe0_terseLabel_en-US" xlink:label="lab_acb_TaxEffectOfNonDeductiblePortionOfCapitalGains" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-deducible (non-taxable) portion of capital items </link:label>
<link:label id="lab_acb_TaxEffectOfNonDeductiblePortionOfCapitalGains_label_en-US" xlink:label="lab_acb_TaxEffectOfNonDeductiblePortionOfCapitalGains" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax Effect Of Non-Deductible Portion Of Capital Gains </link:label>
<link:label id="lab_acb_TaxEffectOfNonDeductiblePortionOfCapitalGains_documentation_en-US" xlink:label="lab_acb_TaxEffectOfNonDeductiblePortionOfCapitalGains" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax Effect Of Non-Deductible Portion Of Capital Gains </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TaxEffectOfNonDeductiblePortionOfCapitalGains" xlink:href="acb-20210630.xsd#acb_TaxEffectOfNonDeductiblePortionOfCapitalGains"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_TaxEffectOfNonDeductiblePortionOfCapitalGains" xlink:to="lab_acb_TaxEffectOfNonDeductiblePortionOfCapitalGains" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GainLossOnLoanModificationBorrowings_c2264563-4f27-4004-8462-60310bf8876e_negatedTerseLabel_en-US" xlink:label="lab_acb_GainLossOnLoanModificationBorrowings" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain (loss) on debt modification </link:label>
<link:label id="lab_acb_GainLossOnLoanModificationBorrowings_label_en-US" xlink:label="lab_acb_GainLossOnLoanModificationBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain (Loss) On Loan Modification, Borrowings </link:label>
<link:label id="lab_acb_GainLossOnLoanModificationBorrowings_documentation_en-US" xlink:label="lab_acb_GainLossOnLoanModificationBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain (Loss) On Loan Modification, Borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GainLossOnLoanModificationBorrowings" xlink:href="acb-20210630.xsd#acb_GainLossOnLoanModificationBorrowings"/>
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<link:label id="lab_acb_MutualTerminationOfUFCPartnershipMember_af8f2b43-6660-47db-9743-3aadceed73a1_terseLabel_en-US" xlink:label="lab_acb_MutualTerminationOfUFCPartnershipMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Mutual termination of UFC partnership </link:label>
<link:label id="lab_acb_MutualTerminationOfUFCPartnershipMember_label_en-US" xlink:label="lab_acb_MutualTerminationOfUFCPartnershipMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Mutual Termination Of UFC Partnership [Member] </link:label>
<link:label id="lab_acb_MutualTerminationOfUFCPartnershipMember_documentation_en-US" xlink:label="lab_acb_MutualTerminationOfUFCPartnershipMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Mutual Termination Of UFC Partnership [Member] </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_MutualTerminationOfUFCPartnershipMember" xlink:to="lab_acb_MutualTerminationOfUFCPartnershipMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BCNorthernLightsEnterprisesLtd.AndUrbanCultivatorInc.Member_1d9e711f-5373-4b57-b992-0b0853b36a89_terseLabel_en-US" xlink:label="lab_acb_BCNorthernLightsEnterprisesLtd.AndUrbanCultivatorInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> BCNL UCI </link:label>
<link:label id="lab_acb_BCNorthernLightsEnterprisesLtd.AndUrbanCultivatorInc.Member_label_en-US" xlink:label="lab_acb_BCNorthernLightsEnterprisesLtd.AndUrbanCultivatorInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> BC Northern Lights Enterprises Ltd. And Urban Cultivator Inc. [Member] </link:label>
<link:label id="lab_acb_BCNorthernLightsEnterprisesLtd.AndUrbanCultivatorInc.Member_documentation_en-US" xlink:label="lab_acb_BCNorthernLightsEnterprisesLtd.AndUrbanCultivatorInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> BC Northern Lights Enterprises Ltd. And Urban Cultivator Inc. [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BCNorthernLightsEnterprisesLtd.AndUrbanCultivatorInc.Member" xlink:href="acb-20210630.xsd#acb_BCNorthernLightsEnterprisesLtd.AndUrbanCultivatorInc.Member"/>
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<link:label id="lab_ifrs-full_WeightedAverageSharePrice2019_f2c5610d-7871-4a6f-9456-3f5855f6bfe3_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharePrice2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average share price (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_WeightedAverageSharePrice2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageSharePrice2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average share price </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageSharePrice2019" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_WeightedAverageSharePrice2019"/>
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<link:label id="lab_acb_ConvertibleSeniorNotesMember_ebc46a1f-b38e-4b09-bfc4-b0c6cdab9916_terseLabel_en-US" xlink:label="lab_acb_ConvertibleSeniorNotesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Senior Notes </link:label>
<link:label id="lab_acb_ConvertibleSeniorNotesMember_label_en-US" xlink:label="lab_acb_ConvertibleSeniorNotesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Senior Notes [Member] </link:label>
<link:label id="lab_acb_ConvertibleSeniorNotesMember_documentation_en-US" xlink:label="lab_acb_ConvertibleSeniorNotesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Senior Notes [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ConvertibleSeniorNotesMember" xlink:href="acb-20210630.xsd#acb_ConvertibleSeniorNotesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ConvertibleSeniorNotesMember" xlink:to="lab_acb_ConvertibleSeniorNotesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxLiabilitiesOtherMember_db0a1da4-12bc-4011-94a4-433a3924bd65_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesOtherMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Others </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesOtherMember_label_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Other [Member] </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesOtherMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesOtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Other [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxLiabilitiesOtherMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxLiabilitiesOtherMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxLiabilitiesOtherMember" xlink:to="lab_acb_DeferredTaxLiabilitiesOtherMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IndividuallyInsignificantCounterpartiesMember_d8cea763-bf0c-41b1-b2bd-ff21c167e5e7_terseLabel_en-US" xlink:label="lab_ifrs-full_IndividuallyInsignificantCounterpartiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Immaterial transactions </link:label>
<link:label id="lab_ifrs-full_IndividuallyInsignificantCounterpartiesMember_label_en-US" xlink:label="lab_ifrs-full_IndividuallyInsignificantCounterpartiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Individually insignificant counterparties [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IndividuallyInsignificantCounterpartiesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IndividuallyInsignificantCounterpartiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IndividuallyInsignificantCounterpartiesMember" xlink:to="lab_ifrs-full_IndividuallyInsignificantCounterpartiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CapitalExpendituresIncurredButNotYetPaid1_86128c2a-c2c9-4e01-b24e-794fc61f88f2_terseLabel_en-US" xlink:label="lab_acb_CapitalExpendituresIncurredButNotYetPaid1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, plant and equipment in accounts payable </link:label>
<link:label id="lab_acb_CapitalExpendituresIncurredButNotYetPaid1_label_en-US" xlink:label="lab_acb_CapitalExpendituresIncurredButNotYetPaid1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capital Expenditures Incurred But Not Yet Paid1 </link:label>
<link:label id="lab_acb_CapitalExpendituresIncurredButNotYetPaid1_documentation_en-US" xlink:label="lab_acb_CapitalExpendituresIncurredButNotYetPaid1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capital Expenditures Incurred But Not Yet Paid1 </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CapitalExpendituresIncurredButNotYetPaid1" xlink:href="acb-20210630.xsd#acb_CapitalExpendituresIncurredButNotYetPaid1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CapitalExpendituresIncurredButNotYetPaid1" xlink:to="lab_acb_CapitalExpendituresIncurredButNotYetPaid1" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory_122fac16-39f9-4f03-a1ab-a380c2aff364_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Summary of Awards Outstanding </link:label>
<link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of number and weighted average exercise prices of other equity instruments [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_fc517660-ffff-4fba-9fe6-c77dc1c07eaf_terseLabel_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Levels of fair value hierarchy [axis] </link:label>
<link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_label_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Levels of fair value hierarchy [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_23ff3f53-43ab-4e16-a0fc-1290c9c1d526_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of financial assets [axis] </link:label>
<link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of financial assets [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ClassesOfFinancialAssetsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsConversionOptionLiquidityEventPriceBasedOnPreMoneyValue_6bda30d9-5705-41ea-a983-1d574fe63acb_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsConversionOptionLiquidityEventPriceBasedOnPreMoneyValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion option, liquidity event, price based on pre-money value </link:label>
<link:label id="lab_acb_FinancialAssetsConversionOptionLiquidityEventPriceBasedOnPreMoneyValue_label_en-US" xlink:label="lab_acb_FinancialAssetsConversionOptionLiquidityEventPriceBasedOnPreMoneyValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Conversion Option, Liquidity Event, Price Based On Pre-Money Value </link:label>
<link:label id="lab_acb_FinancialAssetsConversionOptionLiquidityEventPriceBasedOnPreMoneyValue_documentation_en-US" xlink:label="lab_acb_FinancialAssetsConversionOptionLiquidityEventPriceBasedOnPreMoneyValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Conversion Option, Liquidity Event, Price Based On Pre-Money Value </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsConversionOptionLiquidityEventPriceBasedOnPreMoneyValue" xlink:href="acb-20210630.xsd#acb_FinancialAssetsConversionOptionLiquidityEventPriceBasedOnPreMoneyValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsConversionOptionLiquidityEventPriceBasedOnPreMoneyValue" xlink:to="lab_acb_FinancialAssetsConversionOptionLiquidityEventPriceBasedOnPreMoneyValue" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_beec8b30-64be-4e61-ab72-b12fe75e0b4c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of transactions between related parties [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of transactions between related parties [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets_9d094f18-4442-4e8d-8202-362aedeba362_terseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Percentage of reasonably possible decrease in unobservable input, assets </link:label>
<link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets_label_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Percentage of reasonably possible decrease in unobservable input, assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:to="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ComprehensiveIncomeFromContinuingOperations_5d326f2c-e447-417c-8fea-1a5e99c5840b_terseLabel_en-US" xlink:label="lab_acb_ComprehensiveIncomeFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Comprehensive loss from continuing operations </link:label>
<link:label id="lab_acb_ComprehensiveIncomeFromContinuingOperations_label_en-US" xlink:label="lab_acb_ComprehensiveIncomeFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Comprehensive Income From Continuing Operations </link:label>
<link:label id="lab_acb_ComprehensiveIncomeFromContinuingOperations_documentation_en-US" xlink:label="lab_acb_ComprehensiveIncomeFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Comprehensive Income From Continuing Operations </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ComprehensiveIncomeFromContinuingOperations" xlink:href="acb-20210630.xsd#acb_ComprehensiveIncomeFromContinuingOperations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ComprehensiveIncomeFromContinuingOperations" xlink:to="lab_acb_ComprehensiveIncomeFromContinuingOperations" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfMarketableSecuritiesAtFairValueThroughOtherComprehensiveIncomeTableTextBlock_b02738da-153d-46c6-9e61-9617bdd42aab_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfMarketableSecuritiesAtFairValueThroughOtherComprehensiveIncomeTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Marketable Securities </link:label>
<link:label id="lab_acb_DisclosureOfMarketableSecuritiesAtFairValueThroughOtherComprehensiveIncomeTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfMarketableSecuritiesAtFairValueThroughOtherComprehensiveIncomeTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Marketable Securities At Fair Value Through Other Comprehensive Income [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfMarketableSecuritiesAtFairValueThroughOtherComprehensiveIncomeTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfMarketableSecuritiesAtFairValueThroughOtherComprehensiveIncomeTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Marketable Securities At Fair Value Through Other Comprehensive Income [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfMarketableSecuritiesAtFairValueThroughOtherComprehensiveIncomeTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfMarketableSecuritiesAtFairValueThroughOtherComprehensiveIncomeTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfMarketableSecuritiesAtFairValueThroughOtherComprehensiveIncomeTableTextBlock" xlink:to="lab_acb_DisclosureOfMarketableSecuritiesAtFairValueThroughOtherComprehensiveIncomeTableTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AuroraCannabisEnterprisesInc.Member_faa214d5-806b-42f1-a9da-339554107d2d_terseLabel_en-US" xlink:label="lab_acb_AuroraCannabisEnterprisesInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Cannabis Enterprises Inc. (“ACE”) (1) </link:label>
<link:label id="lab_acb_AuroraCannabisEnterprisesInc.Member_label_en-US" xlink:label="lab_acb_AuroraCannabisEnterprisesInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Cannabis Enterprises Inc. [Member] </link:label>
<link:label id="lab_acb_AuroraCannabisEnterprisesInc.Member_documentation_en-US" xlink:label="lab_acb_AuroraCannabisEnterprisesInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Cannabis Enterprises Inc. [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AuroraCannabisEnterprisesInc.Member" xlink:href="acb-20210630.xsd#acb_AuroraCannabisEnterprisesInc.Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AuroraCannabisEnterprisesInc.Member" xlink:to="lab_acb_AuroraCannabisEnterprisesInc.Member" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ReserveForShareOfOtherComprehensiveIncomeOrLossFromAssociatesMember_60996291-cac0-46cc-9ecf-f6ecd3a0e4d5_terseLabel_en-US" xlink:label="lab_acb_ReserveForShareOfOtherComprehensiveIncomeOrLossFromAssociatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Associate OCI Pick-up </link:label>
<link:label id="lab_acb_ReserveForShareOfOtherComprehensiveIncomeOrLossFromAssociatesMember_label_en-US" xlink:label="lab_acb_ReserveForShareOfOtherComprehensiveIncomeOrLossFromAssociatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reserve For Share Of Other Comprehensive Income Or Loss From Associates [Member] </link:label>
<link:label id="lab_acb_ReserveForShareOfOtherComprehensiveIncomeOrLossFromAssociatesMember_documentation_en-US" xlink:label="lab_acb_ReserveForShareOfOtherComprehensiveIncomeOrLossFromAssociatesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reserve For Share Of Other Comprehensive Income Or Loss From Associates [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ReserveForShareOfOtherComprehensiveIncomeOrLossFromAssociatesMember" xlink:href="acb-20210630.xsd#acb_ReserveForShareOfOtherComprehensiveIncomeOrLossFromAssociatesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ReserveForShareOfOtherComprehensiveIncomeOrLossFromAssociatesMember" xlink:to="lab_acb_ReserveForShareOfOtherComprehensiveIncomeOrLossFromAssociatesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_c6584978-feba-4172-85c8-f6b65a68a2b5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of transactions between related parties [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of transactions between related parties [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DiscountRateMeasurementInputMember_1ce5b3d0-c2cb-4d8a-8e3d-9476154e00c9_terseLabel_en-US" xlink:label="lab_ifrs-full_DiscountRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Discount rate </link:label>
<link:label id="lab_ifrs-full_DiscountRateMeasurementInputMember_label_en-US" xlink:label="lab_ifrs-full_DiscountRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Discount rate, measurement input [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DiscountRateMeasurementInputMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DiscountRateMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DiscountRateMeasurementInputMember" xlink:to="lab_ifrs-full_DiscountRateMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CertainEuropeanPropertyPlantAndEquipmentMember_69d878a1-510f-40ef-a420-fb6a85d53566_terseLabel_en-US" xlink:label="lab_acb_CertainEuropeanPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Certain European Property, Plant And Equipment </link:label>
<link:label id="lab_acb_CertainEuropeanPropertyPlantAndEquipmentMember_label_en-US" xlink:label="lab_acb_CertainEuropeanPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Certain European Property, Plant And Equipment [Member] </link:label>
<link:label id="lab_acb_CertainEuropeanPropertyPlantAndEquipmentMember_documentation_en-US" xlink:label="lab_acb_CertainEuropeanPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Certain European Property, Plant And Equipment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CertainEuropeanPropertyPlantAndEquipmentMember" xlink:href="acb-20210630.xsd#acb_CertainEuropeanPropertyPlantAndEquipmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CertainEuropeanPropertyPlantAndEquipmentMember" xlink:to="lab_acb_CertainEuropeanPropertyPlantAndEquipmentMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RangesMember_e4e88bc4-16fd-46dc-ad3f-ea4412d743e3_terseLabel_en-US" xlink:label="lab_ifrs-full_RangesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges [member] </link:label>
<link:label id="lab_ifrs-full_RangesMember_label_en-US" xlink:label="lab_ifrs-full_RangesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RangesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangesMember" xlink:to="lab_ifrs-full_RangesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory_c433d117-f921-4b9b-9a7f-bb2a83ffaf5a_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share Purchase Warrants </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for warrants [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForWarrantsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory_b72dbf17-8bd6-4b60-bc8b-349b353e9459_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Information for Subsidiaries and Net Change in Non-Controlling Interests </link:label>
<link:label id="lab_ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of interests in subsidiaries [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInterestsInSubsidiariesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_e89c69e6-2970-440f-bf3d-9463228ce8f9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, Plant and Equipment </link:label>
<link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of property, plant and equipment [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable_c23274eb-65ed-4362-86ef-e72c58f3cb3d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BottomOfRangeMember_e9e71fc9-82ba-4ac1-a1ad-362414ec8d93_terseLabel_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Bottom of range </link:label>
<link:label id="lab_ifrs-full_BottomOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Bottom of range [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BottomOfRangeMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BottomOfRangeMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BottomOfRangeMember" xlink:to="lab_ifrs-full_BottomOfRangeMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfLeasesExplanatory_12612746-d6d9-4a35-a5e6-5797ed96061b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease Liabilities </link:label>
<link:label id="lab_ifrs-full_DisclosureOfLeasesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of leases [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfLeasesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfLeasesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfLeasesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_1b7b2da0-365a-4e65-a6fc-3eebda0a0e67_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loans and borrowings </link:label>
<link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_669a64eb-3204-4885-871a-51d8b1d89673_negatedLabel_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current portion </link:label>
<link:label id="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_label_en-US" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current borrowings and current portion of non-current borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:to="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis_957a9292-e818-483f-871f-2bfccf9b46ce_terseLabel_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Valuation techniques used in fair value measurement [axis] </link:label>
<link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis_label_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Valuation techniques used in fair value measurement [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:to="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExercisePriceOfWarrants_56bfde27-e66c-4467-badd-3233847f052f_terseLabel_en-US" xlink:label="lab_acb_ExercisePriceOfWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise price of warrants (in CAD per share) </link:label>
<link:label id="lab_acb_ExercisePriceOfWarrants_label_en-US" xlink:label="lab_acb_ExercisePriceOfWarrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Of Warrants </link:label>
<link:label id="lab_acb_ExercisePriceOfWarrants_documentation_en-US" xlink:label="lab_acb_ExercisePriceOfWarrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Of Warrants </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExercisePriceOfWarrants" xlink:href="acb-20210630.xsd#acb_ExercisePriceOfWarrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExercisePriceOfWarrants" xlink:to="lab_acb_ExercisePriceOfWarrants" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_0a0ba13b-f821-4c18-9e2f-2760aa6a0ccf_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred, net </link:label>
<link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_79c27629-3824-456e-86de-645704bd5814_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred tax recovery </link:label>
<link:label id="lab_ifrs-full_DeferredTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred tax expense (income) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncome" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DeferredTaxExpenseIncome"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxExpenseIncome" xlink:to="lab_ifrs-full_DeferredTaxExpenseIncome" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NumberOfSharesIssued_e61a68f9-3894-4f0d-8561-962dfe90de1b_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of shares issued (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfSharesIssued_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of shares issued </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesIssued" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NumberOfSharesIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesIssued" xlink:to="lab_ifrs-full_NumberOfSharesIssued" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PaymentForInterestNotYetIncurredOnConvertibleBorrowings_5e08c017-2bd3-4648-9519-c05c23f06bef_terseLabel_en-US" xlink:label="lab_acb_PaymentForInterestNotYetIncurredOnConvertibleBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payment for interest not yet incurred on convertible borrowings </link:label>
<link:label id="lab_acb_PaymentForInterestNotYetIncurredOnConvertibleBorrowings_label_en-US" xlink:label="lab_acb_PaymentForInterestNotYetIncurredOnConvertibleBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payment For Interest Not Yet Incurred On Convertible Borrowings </link:label>
<link:label id="lab_acb_PaymentForInterestNotYetIncurredOnConvertibleBorrowings_documentation_en-US" xlink:label="lab_acb_PaymentForInterestNotYetIncurredOnConvertibleBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payment For Interest Not Yet Incurred On Convertible Borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PaymentForInterestNotYetIncurredOnConvertibleBorrowings" xlink:href="acb-20210630.xsd#acb_PaymentForInterestNotYetIncurredOnConvertibleBorrowings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PaymentForInterestNotYetIncurredOnConvertibleBorrowings" xlink:to="lab_acb_PaymentForInterestNotYetIncurredOnConvertibleBorrowings" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TypesOfInterestRatesAxis_d9eb0909-bbc9-4561-b88d-c0c8e73d62ed_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Types of interest rates [axis] </link:label>
<link:label id="lab_ifrs-full_TypesOfInterestRatesAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Types of interest rates [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfInterestRatesAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TypesOfInterestRatesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfInterestRatesAxis" xlink:to="lab_ifrs-full_TypesOfInterestRatesAxis" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityAddressStateOrProvince_7a2fd5dc-901d-433f-9205-ea56d89e5fee_terseLabel_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Address, State or Province </link:label>
<link:label id="lab_dei_EntityAddressStateOrProvince_label_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Address, State or Province </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressStateOrProvince"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressStateOrProvince" xlink:to="lab_dei_EntityAddressStateOrProvince" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GrossCarryingAmountMember_53c8eebb-8484-493c-8d05-e293b11e6cef_terseLabel_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cost </link:label>
<link:label id="lab_ifrs-full_GrossCarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross carrying amount [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossCarryingAmountMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GrossCarryingAmountMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossCarryingAmountMember" xlink:to="lab_ifrs-full_GrossCarryingAmountMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_QuartersEndingJune302020AndSeptember302020Member_5f06e549-2c5e-404d-a17b-7e7eef17156f_terseLabel_en-US" xlink:label="lab_acb_QuartersEndingJune302020AndSeptember302020Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Quarters ending June 30, 2020 and September 30, 2020 </link:label>
<link:label id="lab_acb_QuartersEndingJune302020AndSeptember302020Member_label_en-US" xlink:label="lab_acb_QuartersEndingJune302020AndSeptember302020Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Quarters Ending June 30, 2020 And September 30, 2020 [Member] </link:label>
<link:label id="lab_acb_QuartersEndingJune302020AndSeptember302020Member_documentation_en-US" xlink:label="lab_acb_QuartersEndingJune302020AndSeptember302020Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Quarters Ending June 30, 2020 And September 30, 2020 [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_QuartersEndingJune302020AndSeptember302020Member" xlink:href="acb-20210630.xsd#acb_QuartersEndingJune302020AndSeptember302020Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_QuartersEndingJune302020AndSeptember302020Member" xlink:to="lab_acb_QuartersEndingJune302020AndSeptember302020Member" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfOtherGainsLossesExplanatoryTableTextBlock_e10d36b9-7543-428c-857b-589fea5ae516_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfOtherGainsLossesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of Other Gains (Losses) </link:label>
<link:label id="lab_acb_DisclosureOfOtherGainsLossesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfOtherGainsLossesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Other Gains (Losses) Explanatory [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfOtherGainsLossesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfOtherGainsLossesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Other Gains (Losses) Explanatory [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfOtherGainsLossesExplanatoryTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfOtherGainsLossesExplanatoryTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfOtherGainsLossesExplanatoryTableTextBlock" xlink:to="lab_acb_DisclosureOfOtherGainsLossesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_EnWaveCorporationMember_a7d234e4-0cec-4c86-9915-ffe4e4e404c3_terseLabel_en-US" xlink:label="lab_acb_EnWaveCorporationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> EnWave </link:label>
<link:label id="lab_acb_EnWaveCorporationMember_label_en-US" xlink:label="lab_acb_EnWaveCorporationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> EnWave Corporation [Member] </link:label>
<link:label id="lab_acb_EnWaveCorporationMember_documentation_en-US" xlink:label="lab_acb_EnWaveCorporationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> EnWave Corporation [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_EnWaveCorporationMember" xlink:href="acb-20210630.xsd#acb_EnWaveCorporationMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_EnWaveCorporationMember" xlink:to="lab_acb_EnWaveCorporationMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract_011734c0-653a-4e0a-ad42-2c41a0e35901_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of nature and extent of risks arising from financial instruments [abstract] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of nature and extent of risks arising from financial instruments [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis_dd031604-3e3f-4ea6-8daa-f75e63fc3110_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, adjustment to interest rate basis </link:label>
<link:label id="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis_label_en-US" xlink:label="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, adjustment to interest rate basis </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BorrowingsAdjustmentToInterestRateBasis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:to="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfDebtSecuritiesExplanatory_ebea78e0-481b-419e-afe9-9931d1780e10_netLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loans and Borrowings </link:label>
<link:label id="lab_ifrs-full_DisclosureOfDebtSecuritiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of debt instruments [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfDebtSecuritiesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_EstimatedSharePriceMeasurementInputMember_481066b3-c5c1-454d-af42-d8437c93b7a2_terseLabel_en-US" xlink:label="lab_acb_EstimatedSharePriceMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Estimated share price </link:label>
<link:label id="lab_acb_EstimatedSharePriceMeasurementInputMember_label_en-US" xlink:label="lab_acb_EstimatedSharePriceMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Estimated Share Price, Measurement Input [Member] </link:label>
<link:label id="lab_acb_EstimatedSharePriceMeasurementInputMember_documentation_en-US" xlink:label="lab_acb_EstimatedSharePriceMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Estimated Share Price, Measurement Input [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_EstimatedSharePriceMeasurementInputMember" xlink:href="acb-20210630.xsd#acb_EstimatedSharePriceMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_EstimatedSharePriceMeasurementInputMember" xlink:to="lab_acb_EstimatedSharePriceMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IntangibleAssetsRelatedTemporaryDifferencesMember_5e6b851d-a0b5-43c8-b9bd-8995270b5492_terseLabel_en-US" xlink:label="lab_acb_IntangibleAssetsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets </link:label>
<link:label id="lab_acb_IntangibleAssetsRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_acb_IntangibleAssetsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible Assets Related Temporary Differences [Member] </link:label>
<link:label id="lab_acb_IntangibleAssetsRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_acb_IntangibleAssetsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible Assets Related Temporary Differences [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IntangibleAssetsRelatedTemporaryDifferencesMember" xlink:href="acb-20210630.xsd#acb_IntangibleAssetsRelatedTemporaryDifferencesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IntangibleAssetsRelatedTemporaryDifferencesMember" xlink:to="lab_acb_IntangibleAssetsRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_TotalForAssociatesMember_2a3a5ee1-7057-4f86-a04a-09f5a45101d1_terseLabel_en-US" xlink:label="lab_acb_TotalForAssociatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total for Associates </link:label>
<link:label id="lab_acb_TotalForAssociatesMember_label_en-US" xlink:label="lab_acb_TotalForAssociatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total For Associates [Member] </link:label>
<link:label id="lab_acb_TotalForAssociatesMember_documentation_en-US" xlink:label="lab_acb_TotalForAssociatesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total For Associates [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TotalForAssociatesMember" xlink:href="acb-20210630.xsd#acb_TotalForAssociatesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_TotalForAssociatesMember" xlink:to="lab_acb_TotalForAssociatesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LongtermDeposits_11181735-be34-4fe4-bb95-9ce3fb20b337_terseLabel_en-US" xlink:label="lab_ifrs-full_LongtermDeposits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deposits </link:label>
<link:label id="lab_ifrs-full_LongtermDeposits_label_en-US" xlink:label="lab_ifrs-full_LongtermDeposits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Long-term deposits </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LongtermDeposits" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LongtermDeposits"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermDeposits" xlink:to="lab_ifrs-full_LongtermDeposits" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OtherNonoperatingIncomeExpenses_0b1dbc6a-5e41-48a7-af95-07f0df25c378_terseLabel_en-US" xlink:label="lab_acb_OtherNonoperatingIncomeExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other gains (losses) </link:label>
<link:label id="lab_acb_OtherNonoperatingIncomeExpenses_ce3ab4d0-38c8-4b5f-8f17-1d39a538bf78_totalLabel_en-US" xlink:label="lab_acb_OtherNonoperatingIncomeExpenses" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total other gains (losses) </link:label>
<link:label id="lab_acb_OtherNonoperatingIncomeExpenses_label_en-US" xlink:label="lab_acb_OtherNonoperatingIncomeExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Non-operating Income (Expenses) </link:label>
<link:label id="lab_acb_OtherNonoperatingIncomeExpenses_documentation_en-US" xlink:label="lab_acb_OtherNonoperatingIncomeExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Non-operating Income (Expenses) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OtherNonoperatingIncomeExpenses" xlink:href="acb-20210630.xsd#acb_OtherNonoperatingIncomeExpenses"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OtherNonoperatingIncomeExpenses" xlink:to="lab_acb_OtherNonoperatingIncomeExpenses" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CostOfSales_88b77ed2-3532-4e87-805e-07622264679f_terseLabel_en-US" xlink:label="lab_ifrs-full_CostOfSales" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cost of sales </link:label>
<link:label id="lab_ifrs-full_CostOfSales_label_en-US" xlink:label="lab_ifrs-full_CostOfSales" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cost of sales </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CostOfSales" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CostOfSales"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CostOfSales" xlink:to="lab_ifrs-full_CostOfSales" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019_65d70884-5dd7-41a9-836a-9d117c3ba338_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Granted (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average exercise price of share options granted in share-based payment arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_Level3OfFairValueHierarchyMember_e10c7f0a-ec29-48bb-a425-30f5c2645b4a_terseLabel_en-US" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Level 3 </link:label>
<link:label id="lab_ifrs-full_Level3OfFairValueHierarchyMember_e617eb66-e854-4d17-b162-f687b869b212_verboseLabel_en-US" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Level 3 </link:label>
<link:label id="lab_ifrs-full_Level3OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Level 3 of fair value hierarchy [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level3OfFairValueHierarchyMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Level3OfFairValueHierarchyMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level3OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_43160267-633c-4582-a228-a583199dac29_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income tax (expense) recovery </link:label>
<link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_aaa5c07b-b185-40f5-8f1d-2bfd32eefbd0_totalLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income tax recovery from continuing operations </link:label>
<link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax expense (income) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LatinAmericanHempAndEuropeanHempCashGeneratingUnitsMember_331dc3d0-931a-4b17-9b8d-c4455c4da75f_terseLabel_en-US" xlink:label="lab_acb_LatinAmericanHempAndEuropeanHempCashGeneratingUnitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Latin American Hemp and European Hemp CGUs </link:label>
<link:label id="lab_acb_LatinAmericanHempAndEuropeanHempCashGeneratingUnitsMember_label_en-US" xlink:label="lab_acb_LatinAmericanHempAndEuropeanHempCashGeneratingUnitsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Latin American Hemp And European Hemp Cash Generating Units [Member] </link:label>
<link:label id="lab_acb_LatinAmericanHempAndEuropeanHempCashGeneratingUnitsMember_documentation_en-US" xlink:label="lab_acb_LatinAmericanHempAndEuropeanHempCashGeneratingUnitsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Latin American Hemp And European Hemp Cash Generating Units [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LatinAmericanHempAndEuropeanHempCashGeneratingUnitsMember" xlink:href="acb-20210630.xsd#acb_LatinAmericanHempAndEuropeanHempCashGeneratingUnitsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LatinAmericanHempAndEuropeanHempCashGeneratingUnitsMember" xlink:to="lab_acb_LatinAmericanHempAndEuropeanHempCashGeneratingUnitsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CanadianHempCashGeneratingUnitMember_13ee6ddc-987f-430e-a649-3b4e79228b3c_terseLabel_en-US" xlink:label="lab_acb_CanadianHempCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canadian Hemp CGU </link:label>
<link:label id="lab_acb_CanadianHempCashGeneratingUnitMember_label_en-US" xlink:label="lab_acb_CanadianHempCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canadian Hemp Cash Generating Unit [Member] </link:label>
<link:label id="lab_acb_CanadianHempCashGeneratingUnitMember_documentation_en-US" xlink:label="lab_acb_CanadianHempCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Canadian Hemp Cash Generating Unit [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CanadianHempCashGeneratingUnitMember" xlink:href="acb-20210630.xsd#acb_CanadianHempCashGeneratingUnitMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CanadianHempCashGeneratingUnitMember" xlink:to="lab_acb_CanadianHempCashGeneratingUnitMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_A2105657AlbertaInc.Member_9236a0c2-f316-466b-bfee-053812ff940f_terseLabel_en-US" xlink:label="lab_acb_A2105657AlbertaInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 2105657 Alberta Inc. (“2105657”) </link:label>
<link:label id="lab_acb_A2105657AlbertaInc.Member_label_en-US" xlink:label="lab_acb_A2105657AlbertaInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 2105657 Alberta Inc. [Member] </link:label>
<link:label id="lab_acb_A2105657AlbertaInc.Member_documentation_en-US" xlink:label="lab_acb_A2105657AlbertaInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 2105657 Alberta Inc. [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_A2105657AlbertaInc.Member" xlink:href="acb-20210630.xsd#acb_A2105657AlbertaInc.Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_A2105657AlbertaInc.Member" xlink:to="lab_acb_A2105657AlbertaInc.Member" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OtherCurrentLiabilities_4624afa6-05e3-4a49-b710-90b73be75954_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other current liabilities </link:label>
<link:label id="lab_ifrs-full_OtherCurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other current liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherCurrentLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentLiabilities" xlink:to="lab_ifrs-full_OtherCurrentLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExpenseFromSharebasedPaymentTransactionsMilestonePayments_725d09e1-9d1c-4e98-9e69-5e5e45c04665_terseLabel_en-US" xlink:label="lab_acb_ExpenseFromSharebasedPaymentTransactionsMilestonePayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Milestone payment expense </link:label>
<link:label id="lab_acb_ExpenseFromSharebasedPaymentTransactionsMilestonePayments_label_en-US" xlink:label="lab_acb_ExpenseFromSharebasedPaymentTransactionsMilestonePayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expense From Share-based Payment Transactions, Milestone Payments </link:label>
<link:label id="lab_acb_ExpenseFromSharebasedPaymentTransactionsMilestonePayments_documentation_en-US" xlink:label="lab_acb_ExpenseFromSharebasedPaymentTransactionsMilestonePayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expense From Share-based Payment Transactions, Milestone Payments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExpenseFromSharebasedPaymentTransactionsMilestonePayments" xlink:href="acb-20210630.xsd#acb_ExpenseFromSharebasedPaymentTransactionsMilestonePayments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExpenseFromSharebasedPaymentTransactionsMilestonePayments" xlink:to="lab_acb_ExpenseFromSharebasedPaymentTransactionsMilestonePayments" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations_c3eec49e-d032-45bc-b0b1-8ec1987d506b_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income tax expense </link:label>
<link:label id="lab_ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations_label_en-US" xlink:label="lab_ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax expense (income) relating to profit (loss) from ordinary activities of discontinued operations </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations" xlink:to="lab_ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_2d49d588-b82b-46ed-9a0f-3ac2181bf60d_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Foreign currency translation </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) through net exchange differences, property, plant and equipment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_82d11dc9-d72d-4dfd-ba6c-30256fa67eeb_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Over 2 years to 3 years </link:label>
<link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Later than two years and not later than three years [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:to="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DebenturesAccruedInterest_fb88ae05-a25b-41c3-b758-2b3949cd2be5_terseLabel_en-US" xlink:label="lab_acb_DebenturesAccruedInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debentures, accrued interest </link:label>
<link:label id="lab_acb_DebenturesAccruedInterest_label_en-US" xlink:label="lab_acb_DebenturesAccruedInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debentures, Accrued Interest </link:label>
<link:label id="lab_acb_DebenturesAccruedInterest_documentation_en-US" xlink:label="lab_acb_DebenturesAccruedInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debentures, Accrued Interest </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DebenturesAccruedInterest" xlink:href="acb-20210630.xsd#acb_DebenturesAccruedInterest"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DebenturesAccruedInterest" xlink:to="lab_acb_DebenturesAccruedInterest" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities_3644e344-5acb-4134-82ff-42aaf01fe3bd_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized gain (loss) from changes in fair value </link:label>
<link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities_label_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ChoomHoldingsInc.Member_643a09e3-98b2-4321-ac10-ba3458fcf731_terseLabel_en-US" xlink:label="lab_acb_ChoomHoldingsInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Choom </link:label>
<link:label id="lab_acb_ChoomHoldingsInc.Member_label_en-US" xlink:label="lab_acb_ChoomHoldingsInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Choom Holdings Inc. [Member] </link:label>
<link:label id="lab_acb_ChoomHoldingsInc.Member_documentation_en-US" xlink:label="lab_acb_ChoomHoldingsInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Choom Holdings Inc. [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ChoomHoldingsInc.Member" xlink:href="acb-20210630.xsd#acb_ChoomHoldingsInc.Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ChoomHoldingsInc.Member" xlink:to="lab_acb_ChoomHoldingsInc.Member" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncreaseDecreaseThroughAdoptionOfNewAccountingPrinciplePropertyPlantAndEquipmentAndRightofuseAssets_e93853dc-7799-4c8f-9ff2-f53c6ca5a61c_terseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughAdoptionOfNewAccountingPrinciplePropertyPlantAndEquipmentAndRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> IFRS 16 transition </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughAdoptionOfNewAccountingPrinciplePropertyPlantAndEquipmentAndRightofuseAssets_label_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughAdoptionOfNewAccountingPrinciplePropertyPlantAndEquipmentAndRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Adoption Of New Accounting Principle, Property, Plant And Equipment And Right-of-use Assets </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughAdoptionOfNewAccountingPrinciplePropertyPlantAndEquipmentAndRightofuseAssets_documentation_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughAdoptionOfNewAccountingPrinciplePropertyPlantAndEquipmentAndRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Adoption Of New Accounting Principle, Property, Plant And Equipment And Right-of-use Assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseDecreaseThroughAdoptionOfNewAccountingPrinciplePropertyPlantAndEquipmentAndRightofuseAssets" xlink:href="acb-20210630.xsd#acb_IncreaseDecreaseThroughAdoptionOfNewAccountingPrinciplePropertyPlantAndEquipmentAndRightofuseAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncreaseDecreaseThroughAdoptionOfNewAccountingPrinciplePropertyPlantAndEquipmentAndRightofuseAssets" xlink:to="lab_acb_IncreaseDecreaseThroughAdoptionOfNewAccountingPrinciplePropertyPlantAndEquipmentAndRightofuseAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialLiabilitiesUndiscounted_d6580d46-7451-4828-a61d-2cf22fa91cd8_verboseLabel_en-US" xlink:label="lab_acb_FinancialLiabilitiesUndiscounted" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial liabilities </link:label>
<link:label id="lab_acb_FinancialLiabilitiesUndiscounted_label_en-US" xlink:label="lab_acb_FinancialLiabilitiesUndiscounted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Liabilities, Undiscounted </link:label>
<link:label id="lab_acb_FinancialLiabilitiesUndiscounted_documentation_en-US" xlink:label="lab_acb_FinancialLiabilitiesUndiscounted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Liabilities, Undiscounted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialLiabilitiesUndiscounted" xlink:href="acb-20210630.xsd#acb_FinancialLiabilitiesUndiscounted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialLiabilitiesUndiscounted" xlink:to="lab_acb_FinancialLiabilitiesUndiscounted" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_adc7193b-357c-4303-ae4a-b22a9abbd7e0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of terms and conditions of share-based payment arrangement [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of terms and conditions of share-based payment arrangement [line items] </link:label>
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<link:label id="lab_ifrs-full_NotionalAmount_a5f0b30e-b7d5-4528-8c90-5aed3816184e_terseLabel_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Notional amount </link:label>
<link:label id="lab_ifrs-full_NotionalAmount_4eece6a9-28c6-4999-b3a1-084d0ac92ad5_verboseLabel_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Notional amount </link:label>
<link:label id="lab_ifrs-full_NotionalAmount_label_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Notional amount </link:label>
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<link:label id="lab_acb_IncreaseDecreaseThroughGovernmentGrantsPropertyPlantAndEquipment_acf019b5-340d-4837-980c-56af908666b1_negatedTerseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughGovernmentGrantsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reduction in carrying value from government grants </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughGovernmentGrantsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughGovernmentGrantsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Government Grants, Property, Plant And Equipment </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughGovernmentGrantsPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughGovernmentGrantsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Government Grants, Property, Plant And Equipment </link:label>
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<link:label id="lab_acb_StockOptionsMember_da431a21-ba3b-4d96-a558-2625003ee28c_terseLabel_en-US" xlink:label="lab_acb_StockOptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Stock options </link:label>
<link:label id="lab_acb_StockOptionsMember_label_en-US" xlink:label="lab_acb_StockOptionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Stock Options [Member] </link:label>
<link:label id="lab_acb_StockOptionsMember_documentation_en-US" xlink:label="lab_acb_StockOptionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Stock Options [Member] </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_StockOptionsMember" xlink:to="lab_acb_StockOptionsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019_9ee1cdd3-a4e7-43b3-83db-f9565980bae3_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Forfeited (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average exercise price of share options forfeited in share-based payment arrangement </link:label>
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<link:label id="lab_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsLineItems_f22ebc6e-9890-4ccc-97bf-ac5c88653036_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of analysis of single amount of discontinued operations [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of analysis of single amount of discontinued operations [line items] </link:label>
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<link:label id="lab_ifrs-full_AggregatedMeasurementMember_867adfe9-c6e1-4020-9e1c-5811ca3edb78_terseLabel_en-US" xlink:label="lab_ifrs-full_AggregatedMeasurementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aggregated measurement [member] </link:label>
<link:label id="lab_ifrs-full_AggregatedMeasurementMember_label_en-US" xlink:label="lab_ifrs-full_AggregatedMeasurementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aggregated measurement [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AggregatedMeasurementMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AggregatedMeasurementMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AggregatedMeasurementMember" xlink:to="lab_ifrs-full_AggregatedMeasurementMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_WeightedAverageExercisePriceOfShareOptionsAbstract_ba98bd5b-175d-434d-ba1a-abf9f31628a8_terseLabel_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfShareOptionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Exercise Price ($) </link:label>
<link:label id="lab_acb_WeightedAverageExercisePriceOfShareOptionsAbstract_label_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfShareOptionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Exercise Price Of Share Options [Abstract] </link:label>
<link:label id="lab_acb_WeightedAverageExercisePriceOfShareOptionsAbstract_documentation_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfShareOptionsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Exercise Price Of Share Options [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_WeightedAverageExercisePriceOfShareOptionsAbstract" xlink:href="acb-20210630.xsd#acb_WeightedAverageExercisePriceOfShareOptionsAbstract"/>
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<link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable_f15f944b-ad1a-4ff5-a725-0ba843ad2997_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of subsidiaries [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of subsidiaries [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable"/>
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<link:label id="lab_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis_294990b6-923f-400f-b7fe-e3bf9141ee8d_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets with indefinite useful life [axis] </link:label>
<link:label id="lab_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets with indefinite useful life [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis"/>
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<link:label id="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract_ee624215-0ae3-428b-9fdb-384865458efe_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reconciliation of changes in deferred tax liability (asset) [abstract] </link:label>
<link:label id="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reconciliation of changes in deferred tax liability (asset) [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract"/>
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<link:label id="lab_acb_TaxEffectOfLossFromSaleOfDiscontinuedOperation_9f46a98e-622e-4a07-8cbc-1ef68d8160ae_terseLabel_en-US" xlink:label="lab_acb_TaxEffectOfLossFromSaleOfDiscontinuedOperation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax recovery from sale of discontinued operations </link:label>
<link:label id="lab_acb_TaxEffectOfLossFromSaleOfDiscontinuedOperation_label_en-US" xlink:label="lab_acb_TaxEffectOfLossFromSaleOfDiscontinuedOperation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax Effect Of Loss From Sale Of Discontinued Operation </link:label>
<link:label id="lab_acb_TaxEffectOfLossFromSaleOfDiscontinuedOperation_documentation_en-US" xlink:label="lab_acb_TaxEffectOfLossFromSaleOfDiscontinuedOperation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax Effect Of Loss From Sale Of Discontinued Operation </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TaxEffectOfLossFromSaleOfDiscontinuedOperation" xlink:href="acb-20210630.xsd#acb_TaxEffectOfLossFromSaleOfDiscontinuedOperation"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_TaxEffectOfLossFromSaleOfDiscontinuedOperation" xlink:to="lab_acb_TaxEffectOfLossFromSaleOfDiscontinuedOperation" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BorrowingCostsCapitalised_2ba322d7-57b5-4a6e-a2ff-bced1649caf1_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingCostsCapitalised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capitalized borrowing costs </link:label>
<link:label id="lab_ifrs-full_BorrowingCostsCapitalised_label_en-US" xlink:label="lab_ifrs-full_BorrowingCostsCapitalised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowing costs capitalised </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingCostsCapitalised" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BorrowingCostsCapitalised"/>
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<link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsTable_c3a80b3a-1ef3-4dc3-9b33-983584cce5f9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about intangible assets [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about intangible assets [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfIntangibleAssetsTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_a69845c8-102e-4a28-961d-7d22ac977038_terseLabel_en-US" xlink:label="lab_ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net identifiable assets acquired (liabilities assumed) </link:label>
<link:label id="lab_ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_72b20fa1-4fa9-4d5e-af18-aa00fa6d3492_verboseLabel_en-US" xlink:label="lab_ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Provisional allocation at acquisition </link:label>
<link:label id="lab_ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_label_en-US" xlink:label="lab_ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts recognised as of acquisition date for each major class of assets acquired and liabilities assumed [abstract] </link:label>
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<link:label id="lab_ifrs-full_UnearnedFinanceIncomeRelatingToFinanceLeasePaymentsReceivable_e21e3a91-7f98-4ccb-8f70-f10bc076a2a2_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_UnearnedFinanceIncomeRelatingToFinanceLeasePaymentsReceivable" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unearned finance income </link:label>
<link:label id="lab_ifrs-full_UnearnedFinanceIncomeRelatingToFinanceLeasePaymentsReceivable_label_en-US" xlink:label="lab_ifrs-full_UnearnedFinanceIncomeRelatingToFinanceLeasePaymentsReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unearned finance income relating to finance lease payments receivable </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnearnedFinanceIncomeRelatingToFinanceLeasePaymentsReceivable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_UnearnedFinanceIncomeRelatingToFinanceLeasePaymentsReceivable"/>
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<link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_e5170efc-631c-4171-953b-4ac34cac4fc6_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Over 1 year to 2 years </link:label>
<link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Later than one year and not later than two years [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:to="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BorrowingsByNameMember_b36e3b96-6c85-422a-8ea2-82fbe4f8b2e6_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings by name [member] </link:label>
<link:label id="lab_ifrs-full_BorrowingsByNameMember_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings by name [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BorrowingsByNameMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameMember" xlink:to="lab_ifrs-full_BorrowingsByNameMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities_d47c587e-8b22-4dab-93a7-c6ce291ab4a2_negatedTerseLabel_en-US" xlink:label="lab_acb_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Purchase of property, plant and equipment, and intangible assets </link:label>
<link:label id="lab_acb_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_acb_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Purchase Of Property, Plant And Equipment, And Intangible Assets, Classified As Investing Activities </link:label>
<link:label id="lab_acb_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities_documentation_en-US" xlink:label="lab_acb_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Purchase Of Property, Plant And Equipment, And Intangible Assets, Classified As Investing Activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xlink:href="acb-20210630.xsd#acb_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xlink:to="lab_acb_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss_afb95497-2d2a-4361-99d5-4f9017710612_negatedLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized loss on derivative investments </link:label>
<link:label id="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss_0653de95-d019-4616-aa6a-b24fc2176489_verboseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized gain (loss) on derivative investments </link:label>
<link:label id="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss_47753dc4-49b9-4f95-a326-446b84256e5f_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized gain (loss) on derivatives (Note 22) </link:label>
<link:label id="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (losses) on financial assets at fair value through profit or loss </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:type="arc" order="1"/>
<link:label id="lab_acb_TaxEffectOfForeignExchange_062a2d3f-d0a4-4092-ad84-f14b67818f7c_terseLabel_en-US" xlink:label="lab_acb_TaxEffectOfForeignExchange" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Foreign exchange </link:label>
<link:label id="lab_acb_TaxEffectOfForeignExchange_label_en-US" xlink:label="lab_acb_TaxEffectOfForeignExchange" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax Effect Of Foreign Exchange </link:label>
<link:label id="lab_acb_TaxEffectOfForeignExchange_documentation_en-US" xlink:label="lab_acb_TaxEffectOfForeignExchange" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax Effect Of Foreign Exchange </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TaxEffectOfForeignExchange" xlink:href="acb-20210630.xsd#acb_TaxEffectOfForeignExchange"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_TaxEffectOfForeignExchange" xlink:to="lab_acb_TaxEffectOfForeignExchange" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LeasesAbstract_label_en-US" xlink:label="lab_acb_LeasesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Leases [Abstract] </link:label>
<link:label id="lab_acb_LeasesAbstract_documentation_en-US" xlink:label="lab_acb_LeasesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Leases [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LeasesAbstract" xlink:href="acb-20210630.xsd#acb_LeasesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LeasesAbstract" xlink:to="lab_acb_LeasesAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForBasisOfPresentationAndMeasurementPolicyTextBlock_d051f038-74e9-4933-b4be-d1e27ba96f72_terseLabel_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForBasisOfPresentationAndMeasurementPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Basis of Presentation and Measurement </link:label>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForBasisOfPresentationAndMeasurementPolicyTextBlock_label_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForBasisOfPresentationAndMeasurementPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description Of Accounting Policy For Basis Of Presentation And Measurement [Policy Text Block] </link:label>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForBasisOfPresentationAndMeasurementPolicyTextBlock_documentation_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForBasisOfPresentationAndMeasurementPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description Of Accounting Policy For Basis Of Presentation And Measurement [Policy Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DescriptionOfAccountingPolicyForBasisOfPresentationAndMeasurementPolicyTextBlock" xlink:href="acb-20210630.xsd#acb_DescriptionOfAccountingPolicyForBasisOfPresentationAndMeasurementPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DescriptionOfAccountingPolicyForBasisOfPresentationAndMeasurementPolicyTextBlock" xlink:to="lab_acb_DescriptionOfAccountingPolicyForBasisOfPresentationAndMeasurementPolicyTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems_cb1183c8-4910-46f5-80e4-f2e37d23b3e1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of financial assets [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of financial assets [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfFinancialAssetsLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_4bd9599d-646d-4012-8dde-f4b4a6b39b44_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Over 3 years to 4 years </link:label>
<link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Later than three years and not later than four years [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:to="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ClassesOfAssetsMember_ad6b4b8c-929c-443b-80af-9354b58296cf_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Assets [member] </link:label>
<link:label id="lab_ifrs-full_ClassesOfAssetsMember_label_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Assets [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfAssetsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ClassesOfAssetsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsMember" xlink:to="lab_ifrs-full_ClassesOfAssetsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit_d10be159-438d-4866-b2c5-e0aed2c1c6d9_terseLabel_en-US" xlink:label="lab_ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Recoverable amount of CGU </link:label>
<link:label id="lab_ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit_label_en-US" xlink:label="lab_ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Recoverable amount of asset or cash-generating unit </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit" xlink:to="lab_ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_69e06e17-c908-4570-b94e-d97c3449fd03_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net cash used in investing activities </link:label>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash flows from (used in) investing activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GrossProfit_074f0d42-1ca8-4502-a669-92fc47a8b3c6_totalLabel_en-US" xlink:label="lab_ifrs-full_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross loss </link:label>
<link:label id="lab_ifrs-full_GrossProfit_baa7ad6f-e1f7-4929-b2c6-b4f51a858723_terseLabel_en-US" xlink:label="lab_ifrs-full_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross loss </link:label>
<link:label id="lab_ifrs-full_GrossProfit_1de5e279-a4b4-4b71-9b30-08a545607d37_verboseLabel_en-US" xlink:label="lab_ifrs-full_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross profit (loss) </link:label>
<link:label id="lab_ifrs-full_GrossProfit_label_en-US" xlink:label="lab_ifrs-full_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross profit </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossProfit" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GrossProfit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossProfit" xlink:to="lab_ifrs-full_GrossProfit" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_Revenue_c37835bf-230f-4243-9427-4f09a884c9e8_totalLabel_en-US" xlink:label="lab_ifrs-full_Revenue" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net revenue </link:label>
<link:label id="lab_ifrs-full_Revenue_84c96b79-daa1-4e07-b27d-06a07f6f11ee_verboseLabel_en-US" xlink:label="lab_ifrs-full_Revenue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue </link:label>
<link:label id="lab_ifrs-full_Revenue_a991f16e-da2d-47fc-8c3a-b95f9959551b_terseLabel_en-US" xlink:label="lab_ifrs-full_Revenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue </link:label>
<link:label id="lab_ifrs-full_Revenue_label_en-US" xlink:label="lab_ifrs-full_Revenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Revenue" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Revenue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Revenue" xlink:to="lab_ifrs-full_Revenue" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory_332c9c7e-4260-4199-8a91-f2af9f483591_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Assumptions of Options </link:label>
<link:label id="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_7e71d4d5-34da-4747-8b37-c8b589c4b866_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about property, plant and equipment [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about property, plant and equipment [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities_06c97c8a-27bb-4442-bd3f-6c88de4c5958_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Decrease in fair value measurement due to reasonably possible decrease in unobservable input, liabilities </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:to="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfWarrantsHeldByEntity_95a489f0-2375-4e90-8579-43eff9fded55_terseLabel_en-US" xlink:label="lab_acb_NumberOfWarrantsHeldByEntity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of warrants held by entity (in shares) </link:label>
<link:label id="lab_acb_NumberOfWarrantsHeldByEntity_label_en-US" xlink:label="lab_acb_NumberOfWarrantsHeldByEntity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Held By Entity </link:label>
<link:label id="lab_acb_NumberOfWarrantsHeldByEntity_documentation_en-US" xlink:label="lab_acb_NumberOfWarrantsHeldByEntity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Held By Entity </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfWarrantsHeldByEntity" xlink:href="acb-20210630.xsd#acb_NumberOfWarrantsHeldByEntity"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfWarrantsHeldByEntity" xlink:to="lab_acb_NumberOfWarrantsHeldByEntity" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TopOfRangeMember_84cd0e2e-b787-4bef-88b4-e5e5c1a8b8fd_terseLabel_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Top of range </link:label>
<link:label id="lab_ifrs-full_TopOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Top of range [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TopOfRangeMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TopOfRangeMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TopOfRangeMember" xlink:to="lab_ifrs-full_TopOfRangeMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncreaseDecreaseThroughChangesInFairValueFinancialAssets_20ff75b8-662e-415b-817b-6f7d65d717cc_negatedLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughChangesInFairValueFinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized loss on changes in fair value </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughChangesInFairValueFinancialAssets_ad45f495-2fcc-47db-954e-56bb863cd2cb_terseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughChangesInFairValueFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss on changes in fair value </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughChangesInFairValueFinancialAssets_label_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughChangesInFairValueFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Changes In Fair Value, Financial Assets </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughChangesInFairValueFinancialAssets_documentation_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughChangesInFairValueFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Changes In Fair Value, Financial Assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseDecreaseThroughChangesInFairValueFinancialAssets" xlink:href="acb-20210630.xsd#acb_IncreaseDecreaseThroughChangesInFairValueFinancialAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncreaseDecreaseThroughChangesInFairValueFinancialAssets" xlink:to="lab_acb_IncreaseDecreaseThroughChangesInFairValueFinancialAssets" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CorporateLoansMember_f79be433-749d-4d0b-8a53-bfc10a02e09a_terseLabel_en-US" xlink:label="lab_ifrs-full_CorporateLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Debentures </link:label>
<link:label id="lab_ifrs-full_CorporateLoansMember_label_en-US" xlink:label="lab_ifrs-full_CorporateLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loans to corporate entities [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CorporateLoansMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CorporateLoansMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CorporateLoansMember" xlink:to="lab_ifrs-full_CorporateLoansMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_TradeAndOtherCurrentReceivablesNongovernmentWholesaleCustomers_d5f63a9e-24c0-41b8-803d-55852e8ba82b_terseLabel_en-US" xlink:label="lab_acb_TradeAndOtherCurrentReceivablesNongovernmentWholesaleCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts receivables, non-government wholesale customers </link:label>
<link:label id="lab_acb_TradeAndOtherCurrentReceivablesNongovernmentWholesaleCustomers_label_en-US" xlink:label="lab_acb_TradeAndOtherCurrentReceivablesNongovernmentWholesaleCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Trade And Other Current Receivables, Non-government Wholesale Customers </link:label>
<link:label id="lab_acb_TradeAndOtherCurrentReceivablesNongovernmentWholesaleCustomers_documentation_en-US" xlink:label="lab_acb_TradeAndOtherCurrentReceivablesNongovernmentWholesaleCustomers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Trade And Other Current Receivables, Non-government Wholesale Customers </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TradeAndOtherCurrentReceivablesNongovernmentWholesaleCustomers" xlink:href="acb-20210630.xsd#acb_TradeAndOtherCurrentReceivablesNongovernmentWholesaleCustomers"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_TradeAndOtherCurrentReceivablesNongovernmentWholesaleCustomers" xlink:to="lab_acb_TradeAndOtherCurrentReceivablesNongovernmentWholesaleCustomers" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PSUsMember_8c2124ea-79a8-4651-82ce-3f5d961de4ab_terseLabel_en-US" xlink:label="lab_acb_PSUsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> PSUs </link:label>
<link:label id="lab_acb_PSUsMember_label_en-US" xlink:label="lab_acb_PSUsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> PSUs [Member] </link:label>
<link:label id="lab_acb_PSUsMember_documentation_en-US" xlink:label="lab_acb_PSUsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> PSUs </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PSUsMember" xlink:href="acb-20210630.xsd#acb_PSUsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PSUsMember" xlink:to="lab_acb_PSUsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsRedemptionPeriodThreeMember_3505c667-f81f-478e-9d45-0e0678cb0276_terseLabel_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Upon the Occurrence of Certain Customary Events </link:label>
<link:label id="lab_acb_BorrowingsRedemptionPeriodThreeMember_label_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Redemption, Period Three [Member] </link:label>
<link:label id="lab_acb_BorrowingsRedemptionPeriodThreeMember_documentation_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Redemption, Period Three [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsRedemptionPeriodThreeMember" xlink:href="acb-20210630.xsd#acb_BorrowingsRedemptionPeriodThreeMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsRedemptionPeriodThreeMember" xlink:to="lab_acb_BorrowingsRedemptionPeriodThreeMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ExpenseByNatureAbstract_2d4ecdf2-039a-4c72-8e83-71fe779d097c_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpenseByNatureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expense </link:label>
<link:label id="lab_ifrs-full_ExpenseByNatureAbstract_label_en-US" xlink:label="lab_ifrs-full_ExpenseByNatureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expenses by nature [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseByNatureAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ExpenseByNatureAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseByNatureAbstract" xlink:to="lab_ifrs-full_ExpenseByNatureAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PreDiscountedForecastedOperatingCashFlowMeasurementInputMember_7c1f22dd-4906-4a7b-8c0d-b9fd7f7f46ba_terseLabel_en-US" xlink:label="lab_acb_PreDiscountedForecastedOperatingCashFlowMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total pre-discounted forecasted operating cash flow </link:label>
<link:label id="lab_acb_PreDiscountedForecastedOperatingCashFlowMeasurementInputMember_label_en-US" xlink:label="lab_acb_PreDiscountedForecastedOperatingCashFlowMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Pre-Discounted Forecasted Operating Cash Flow, Measurement Input [Member] </link:label>
<link:label id="lab_acb_PreDiscountedForecastedOperatingCashFlowMeasurementInputMember_documentation_en-US" xlink:label="lab_acb_PreDiscountedForecastedOperatingCashFlowMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Pre-Discounted Forecasted Operating Cash Flow, Measurement Input </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PreDiscountedForecastedOperatingCashFlowMeasurementInputMember" xlink:href="acb-20210630.xsd#acb_PreDiscountedForecastedOperatingCashFlowMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PreDiscountedForecastedOperatingCashFlowMeasurementInputMember" xlink:to="lab_acb_PreDiscountedForecastedOperatingCashFlowMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember_baddeea3-f1eb-4d1a-bf8c-bdd6925caac7_verboseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Over 3 years – 5 years </link:label>
<link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Later than three years and not later than five years [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_EstimationsOfUncertainEventsPolicyPolicyTextBlock_7c8f05af-cab0-4a40-af28-d8ea2eb13134_terseLabel_en-US" xlink:label="lab_acb_EstimationsOfUncertainEventsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> COVID-19 Estimation Uncertainty </link:label>
<link:label id="lab_acb_EstimationsOfUncertainEventsPolicyPolicyTextBlock_label_en-US" xlink:label="lab_acb_EstimationsOfUncertainEventsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Estimations Of Uncertain Events, Policy [Policy Text Block] </link:label>
<link:label id="lab_acb_EstimationsOfUncertainEventsPolicyPolicyTextBlock_documentation_en-US" xlink:label="lab_acb_EstimationsOfUncertainEventsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Estimations Of Uncertain Events, Policy [Policy Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_EstimationsOfUncertainEventsPolicyPolicyTextBlock" xlink:href="acb-20210630.xsd#acb_EstimationsOfUncertainEventsPolicyPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_EstimationsOfUncertainEventsPolicyPolicyTextBlock" xlink:to="lab_acb_EstimationsOfUncertainEventsPolicyPolicyTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis_d0398f7f-8076-4302-846b-a28436a1cc67_terseLabel_en-US" xlink:label="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges of exercise prices for outstanding share options [axis] </link:label>
<link:label id="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis_label_en-US" xlink:label="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges of exercise prices for outstanding share options [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:to="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsConvertibleThresholdTradingDays_2bbfa8a2-bc46-41e0-bf1c-1c431eed3445_terseLabel_en-US" xlink:label="lab_acb_BorrowingsConvertibleThresholdTradingDays" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Trading days </link:label>
<link:label id="lab_acb_BorrowingsConvertibleThresholdTradingDays_label_en-US" xlink:label="lab_acb_BorrowingsConvertibleThresholdTradingDays" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Threshold Trading Days </link:label>
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<link:label id="lab_ifrs-full_InterestExpenseOnBorrowings_63efd424-6a90-42e9-b9c8-4543b64aa2c5_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest expense on borrowings </link:label>
<link:label id="lab_ifrs-full_InterestExpenseOnBorrowings_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest expense on borrowings </link:label>
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<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_75e1b0a8-21b3-4943-8a30-6529d3fa198f_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercised (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average exercise price of share options exercised in share-based payment arrangement </link:label>
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<link:label id="lab_acb_ContingnetLiabilityPerformanceOfPurchaseAgreementMember_502901c6-2020-4eb3-9836-9b2d734675c7_terseLabel_en-US" xlink:label="lab_acb_ContingnetLiabilityPerformanceOfPurchaseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Claim regarding performance of purchase agreement </link:label>
<link:label id="lab_acb_ContingnetLiabilityPerformanceOfPurchaseAgreementMember_label_en-US" xlink:label="lab_acb_ContingnetLiabilityPerformanceOfPurchaseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Contingnet Liability, Performance Of Purchase Agreement [Member] </link:label>
<link:label id="lab_acb_ContingnetLiabilityPerformanceOfPurchaseAgreementMember_documentation_en-US" xlink:label="lab_acb_ContingnetLiabilityPerformanceOfPurchaseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Contingnet Liability, Performance Of Purchase Agreement [Member] </link:label>
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<link:label id="lab_acb_NumberOfSharesPurchased_1a2a5734-da40-4401-a4c5-581e5c05fd03_terseLabel_en-US" xlink:label="lab_acb_NumberOfSharesPurchased" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of common shares acquired (in shares) </link:label>
<link:label id="lab_acb_NumberOfSharesPurchased_label_en-US" xlink:label="lab_acb_NumberOfSharesPurchased" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Purchased </link:label>
<link:label id="lab_acb_NumberOfSharesPurchased_documentation_en-US" xlink:label="lab_acb_NumberOfSharesPurchased" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Purchased </link:label>
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<link:label id="lab_acb_ExpectedStockPriceVolatilityOfPeerGroupOtherEquityInstrumentsGranted_dd3a0033-3e09-48f6-ab00-ea3a886cd7eb_terseLabel_en-US" xlink:label="lab_acb_ExpectedStockPriceVolatilityOfPeerGroupOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected stock price volatility of peer group </link:label>
<link:label id="lab_acb_ExpectedStockPriceVolatilityOfPeerGroupOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_acb_ExpectedStockPriceVolatilityOfPeerGroupOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected Stock Price Volatility of Peer Group, Other Equity Instruments Granted </link:label>
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<link:label id="lab_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised_label_en-US" xlink:label="lab_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deductible temporary differences for which no deferred tax asset is recognised </link:label>
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<link:label id="lab_dei_EntityCentralIndexKey_3cef3a16-c49a-433a-bd20-4d1c03c6d44a_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Central Index Key </link:label>
<link:label id="lab_dei_EntityCentralIndexKey_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Central Index Key </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityCentralIndexKey"/>
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<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_bba63eb0-6e60-45eb-bc32-59eed76fe99e_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Taxes </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for income tax [text block] </link:label>
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<link:label id="lab_ifrs-full_SegmentConsolidationItemsAxis_38b38921-1923-42eb-973b-e4bac0a53156_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Segment consolidation items [axis] </link:label>
<link:label id="lab_ifrs-full_SegmentConsolidationItemsAxis_label_en-US" xlink:label="lab_ifrs-full_SegmentConsolidationItemsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Segment consolidation items [axis] </link:label>
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<link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_98ffa423-9c32-4516-8850-eddd08e8b057_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Principal repayments </link:label>
<link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Repayments of borrowings, classified as financing activities </link:label>
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<link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities_86346474-bf1e-416b-a0ba-3c8d315e3eb2_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, liabilities </link:label>
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<link:label id="lab_ifrs-full_ItemsOfContingentLiabilitiesMember_706b18b9-3271-4bd0-8876-6c1fab574d5d_terseLabel_en-US" xlink:label="lab_ifrs-full_ItemsOfContingentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Items of contingent liabilities [member] </link:label>
<link:label id="lab_ifrs-full_ItemsOfContingentLiabilitiesMember_label_en-US" xlink:label="lab_ifrs-full_ItemsOfContingentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Items of contingent liabilities [member] </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ItemsOfContingentLiabilitiesMember" xlink:to="lab_ifrs-full_ItemsOfContingentLiabilitiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BasicAndDilutedEarningsLossPerShareFromContinuingOperations_a5da980c-2feb-446b-9fb6-551aef6b2507_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicAndDilutedEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Continuing operations (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_BasicAndDilutedEarningsLossPerShareFromContinuingOperations_fbdeb655-3c7a-49d2-9db2-b51d35415bcd_verboseLabel_en-US" xlink:label="lab_ifrs-full_BasicAndDilutedEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Continuing operations, basic and diluted loss per share (in CAD per share) </link:label>
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<link:label id="lab_acb_LegalProceedingsContingentLiabilityClassActionBMember_bfe24665-ec43-421d-9737-8ba76f0d62b9_terseLabel_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClassActionBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal proceedings contingent liability, class action B </link:label>
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<link:label id="lab_ifrs-full_CurrentAssetsAbstract_f305a896-83d2-4bd7-9968-1dd1620dda2c_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current </link:label>
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<link:label id="lab_dei_EntityPrimarySicNumber_d669e2a0-bb30-45f1-96b0-39589daccb90_terseLabel_en-US" xlink:label="lab_dei_EntityPrimarySicNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Primary SIC Number </link:label>
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<link:label id="lab_acb_FinancialAssetsMaturityTerm_a6e01ab9-4ca9-4711-8c7c-51e4545dd0e5_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Maturity, term </link:label>
<link:label id="lab_acb_FinancialAssetsMaturityTerm_label_en-US" xlink:label="lab_acb_FinancialAssetsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Maturity, Term </link:label>
<link:label id="lab_acb_FinancialAssetsMaturityTerm_documentation_en-US" xlink:label="lab_acb_FinancialAssetsMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Maturity, Term </link:label>
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<link:label id="lab_acb_RestrictedCashMember_f5c9b53a-cb2c-4d7c-9d42-eba7d6713283_terseLabel_en-US" xlink:label="lab_acb_RestrictedCashMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restricted cash </link:label>
<link:label id="lab_acb_RestrictedCashMember_label_en-US" xlink:label="lab_acb_RestrictedCashMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restricted Cash [Member] </link:label>
<link:label id="lab_acb_RestrictedCashMember_documentation_en-US" xlink:label="lab_acb_RestrictedCashMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restricted Cash [Member] </link:label>
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<link:label id="lab_acb_H2BiopharmaInc.Member_fbba0e39-34f2-46a1-b0e4-6c1f61a7c81c_verboseLabel_en-US" xlink:label="lab_acb_H2BiopharmaInc.Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> H2 </link:label>
<link:label id="lab_acb_H2BiopharmaInc.Member_label_en-US" xlink:label="lab_acb_H2BiopharmaInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> H2 Biopharma Inc. [Member] </link:label>
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<link:label id="lab_acb_DeferredTaxAssetsOtherMember_048f0743-b67c-4439-bbf0-c78cd9bf1df2_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxAssetsOtherMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Others </link:label>
<link:label id="lab_acb_DeferredTaxAssetsOtherMember_label_en-US" xlink:label="lab_acb_DeferredTaxAssetsOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Other [Member] </link:label>
<link:label id="lab_acb_DeferredTaxAssetsOtherMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxAssetsOtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Other [Member] </link:label>
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<link:label id="lab_acb_SecondAmendedAndRestatedCreditAgreementMember_4fd843e5-c051-40d3-aa89-14a8c7ec670c_terseLabel_en-US" xlink:label="lab_acb_SecondAmendedAndRestatedCreditAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Second Amended and Restated Credit Agreement </link:label>
<link:label id="lab_acb_SecondAmendedAndRestatedCreditAgreementMember_label_en-US" xlink:label="lab_acb_SecondAmendedAndRestatedCreditAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Second Amended And Restated Credit Agreement [Member] </link:label>
<link:label id="lab_acb_SecondAmendedAndRestatedCreditAgreementMember_documentation_en-US" xlink:label="lab_acb_SecondAmendedAndRestatedCreditAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Second Amended And Restated Credit Agreement </link:label>
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<link:label id="lab_ifrs-full_BrandNamesMember_b5ecfa37-731b-4c26-bb6a-364596cde3ec_verboseLabel_en-US" xlink:label="lab_ifrs-full_BrandNamesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Brand </link:label>
<link:label id="lab_ifrs-full_BrandNamesMember_06d1221b-3641-48c0-ada7-ac4688f5639c_terseLabel_en-US" xlink:label="lab_ifrs-full_BrandNamesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Brand </link:label>
<link:label id="lab_ifrs-full_BrandNamesMember_label_en-US" xlink:label="lab_ifrs-full_BrandNamesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Brand names [member] </link:label>
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<link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsHeldAtEndOfPeriodFairValueMeasurement_f978aced-7a9d-41c4-8146-2f340d8cd160_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsHeldAtEndOfPeriodFairValueMeasurement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (losses) recognised in profit or loss attributable to change in unrealised gains or losses for assets held at end of period, fair value measurement </link:label>
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<link:label id="lab_ifrs-full_EquityAndLiabilities_8b0d8c2c-02fd-45ea-abbc-5c7f8e54746e_totalLabel_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total liabilities and equity </link:label>
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<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents_6cf50185-2814-42d7-bb7d-85621da66522_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash and Cash Equivalents </link:label>
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<link:label id="lab_ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntity_22127a3b-2d6e-4ad9-922a-28501b7fc873_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net loss from discontinuing operations attributable to Aurora shareholders </link:label>
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<link:label id="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory_4ec5272b-cfb8-40f0-8849-5e7cacab45da_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Assumptions of PSUs </link:label>
<link:label id="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of indirect measurement of fair value of goods or services received, other equity instruments granted during period [text block] </link:label>
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<link:label id="lab_acb_PrepaidsAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate_c624604d-2992-4aee-a822-f96c19b1b109_terseLabel_en-US" xlink:label="lab_acb_PrepaidsAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Prepaids and other current assets </link:label>
<link:label id="lab_acb_PrepaidsAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_acb_PrepaidsAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Prepaids And Other Current Assets Recognised As Of Acquisition Date </link:label>
<link:label id="lab_acb_PrepaidsAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_acb_PrepaidsAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Prepaids And Other Current Assets Recognised As Of Acquisition Date </link:label>
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<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_bc4b266f-5c8c-403b-8275-dd1c5df78eda_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Provisions </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for provisions [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityCommonStockSharesOutstanding_45a9bc0e-e899-42ce-ba88-2cf9f7fedabb_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Common Stock, Shares Outstanding (in shares) </link:label>
<link:label id="lab_dei_EntityCommonStockSharesOutstanding_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Common Stock, Shares Outstanding </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityCommonStockSharesOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding" xlink:to="lab_dei_EntityCommonStockSharesOutstanding" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_5493af74-d338-424a-9ce3-9d392ce205af_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of changes in equity [table] </link:label>
<link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of changes in equity [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfChangesInEquityTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:to="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RepaymentsOfBondsNotesAndDebentures_53af9435-d688-4b1f-81cd-8cff5a6bcbe3_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Principal repayment </link:label>
<link:label id="lab_ifrs-full_RepaymentsOfBondsNotesAndDebentures_label_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Repayments of bonds, notes and debentures </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RepaymentsOfBondsNotesAndDebentures"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:to="lab_ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_37bf8e0d-a8d3-427d-9186-ee5f7b44348c_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition of businesses, net of cash acquired </link:label>
<link:label id="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
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<link:label id="lab_acb_DebtInstrumentCovenantPeriodDomain_b1e19354-52a7-4b58-9c35-cd555984ad57_terseLabel_en-US" xlink:label="lab_acb_DebtInstrumentCovenantPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Instrument, Covenant, Period [Domain] </link:label>
<link:label id="lab_acb_DebtInstrumentCovenantPeriodDomain_label_en-US" xlink:label="lab_acb_DebtInstrumentCovenantPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Instrument, Covenant, Period [Domain] </link:label>
<link:label id="lab_acb_DebtInstrumentCovenantPeriodDomain_documentation_en-US" xlink:label="lab_acb_DebtInstrumentCovenantPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> [Domain] for Debt Instrument, Covenant, Period [Axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DebtInstrumentCovenantPeriodDomain" xlink:href="acb-20210630.xsd#acb_DebtInstrumentCovenantPeriodDomain"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DebtInstrumentCovenantPeriodDomain" xlink:to="lab_acb_DebtInstrumentCovenantPeriodDomain" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_b9526f16-225b-49e6-87e0-e02b25646796_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Risk-free annual interest rate </link:label>
<link:label id="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Risk free interest rate, share options granted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:to="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsNumberOfInstrumentsPurchased_339bf2af-d414-44b5-abde-827b92e0e8a7_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsNumberOfInstrumentsPurchased" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of instruments purchased </link:label>
<link:label id="lab_acb_FinancialAssetsNumberOfInstrumentsPurchased_label_en-US" xlink:label="lab_acb_FinancialAssetsNumberOfInstrumentsPurchased" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Number Of Instruments Purchased </link:label>
<link:label id="lab_acb_FinancialAssetsNumberOfInstrumentsPurchased_documentation_en-US" xlink:label="lab_acb_FinancialAssetsNumberOfInstrumentsPurchased" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Number Of Instruments Purchased </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsNumberOfInstrumentsPurchased" xlink:href="acb-20210630.xsd#acb_FinancialAssetsNumberOfInstrumentsPurchased"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsNumberOfInstrumentsPurchased" xlink:to="lab_acb_FinancialAssetsNumberOfInstrumentsPurchased" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDerivativeFinancialLiabilities_46110a7a-ed19-4903-aadf-1e06a40c2765_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized gain (loss) on derivative liability </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDerivativeFinancialLiabilities_2f3eb7fa-f8a6-4625-af4a-4898029b309f_negatedLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized gain (loss) on derivative liability </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDerivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for increase (decrease) in derivative financial liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInDerivativeFinancialLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInDerivativeFinancialLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInDerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInDerivativeFinancialLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_Level2OfFairValueHierarchyMember_361f70da-870d-43fc-9f1b-1d1d43494b6a_terseLabel_en-US" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Level 2 </link:label>
<link:label id="lab_ifrs-full_Level2OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Level 2 of fair value hierarchy [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level2OfFairValueHierarchyMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Level2OfFairValueHierarchyMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level2OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_December2018DebenturesMember_9085697d-4916-4e7f-92ed-93f8eed75ad6_terseLabel_en-US" xlink:label="lab_acb_December2018DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> December 2018 Debentures </link:label>
<link:label id="lab_acb_December2018DebenturesMember_label_en-US" xlink:label="lab_acb_December2018DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> December 2018 Debentures [Member] </link:label>
<link:label id="lab_acb_December2018DebenturesMember_documentation_en-US" xlink:label="lab_acb_December2018DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> December 2018 Debentures </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_December2018DebenturesMember" xlink:href="acb-20210630.xsd#acb_December2018DebenturesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_December2018DebenturesMember" xlink:to="lab_acb_December2018DebenturesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_StrategicAdvisorMember_6cf780c8-4ca8-4ac4-90f7-2914082aa03e_terseLabel_en-US" xlink:label="lab_acb_StrategicAdvisorMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Strategic Advisor </link:label>
<link:label id="lab_acb_StrategicAdvisorMember_label_en-US" xlink:label="lab_acb_StrategicAdvisorMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Strategic Advisor [Member] </link:label>
<link:label id="lab_acb_StrategicAdvisorMember_documentation_en-US" xlink:label="lab_acb_StrategicAdvisorMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Strategic Advisor [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_StrategicAdvisorMember" xlink:href="acb-20210630.xsd#acb_StrategicAdvisorMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_StrategicAdvisorMember" xlink:to="lab_acb_StrategicAdvisorMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ConsiderationReceivableMember_3b39c47a-662a-4327-a767-668e6c313306_terseLabel_en-US" xlink:label="lab_acb_ConsiderationReceivableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Consideration Receivable </link:label>
<link:label id="lab_acb_ConsiderationReceivableMember_label_en-US" xlink:label="lab_acb_ConsiderationReceivableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Consideration Receivable [Member] </link:label>
<link:label id="lab_acb_ConsiderationReceivableMember_documentation_en-US" xlink:label="lab_acb_ConsiderationReceivableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Consideration Receivable </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ConsiderationReceivableMember" xlink:href="acb-20210630.xsd#acb_ConsiderationReceivableMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ConsiderationReceivableMember" xlink:to="lab_acb_ConsiderationReceivableMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityClassActionAMember_a899135a-6b90-4155-bc83-a7c1255a86c7_terseLabel_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClassActionAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal proceedings contingent liability, class action A </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityClassActionAMember_label_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClassActionAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Class Action A [Member] </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityClassActionAMember_documentation_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClassActionAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Class Action A [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LegalProceedingsContingentLiabilityClassActionAMember" xlink:href="acb-20210630.xsd#acb_LegalProceedingsContingentLiabilityClassActionAMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LegalProceedingsContingentLiabilityClassActionAMember" xlink:to="lab_acb_LegalProceedingsContingentLiabilityClassActionAMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxAssetsNonCapitalLossesMember_8488b839-4c4f-4160-b75b-90b3482c3f03_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxAssetsNonCapitalLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-capital losses </link:label>
<link:label id="lab_acb_DeferredTaxAssetsNonCapitalLossesMember_label_en-US" xlink:label="lab_acb_DeferredTaxAssetsNonCapitalLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Non-Capital Losses [Member] </link:label>
<link:label id="lab_acb_DeferredTaxAssetsNonCapitalLossesMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxAssetsNonCapitalLossesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Non-Capital Losses [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxAssetsNonCapitalLossesMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxAssetsNonCapitalLossesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxAssetsNonCapitalLossesMember" xlink:to="lab_acb_DeferredTaxAssetsNonCapitalLossesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfAccountsPayableAndAccruedLiabilitiesExplanatoryTableTextBlock_69d07cc5-9645-4679-9ba8-46406ba68330_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfAccountsPayableAndAccruedLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Schedule of Accounts Payable and Accrued Liabilities </link:label>
<link:label id="lab_acb_DisclosureOfAccountsPayableAndAccruedLiabilitiesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfAccountsPayableAndAccruedLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Accounts Payable And Accrued Liabilities Explanatory [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfAccountsPayableAndAccruedLiabilitiesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfAccountsPayableAndAccruedLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Accounts Payable And Accrued Liabilities Explanatory [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfAccountsPayableAndAccruedLiabilitiesExplanatoryTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfAccountsPayableAndAccruedLiabilitiesExplanatoryTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfAccountsPayableAndAccruedLiabilitiesExplanatoryTableTextBlock" xlink:to="lab_acb_DisclosureOfAccountsPayableAndAccruedLiabilitiesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncreaseThroughClassifiedAsHeldForSaleOtherNoncurrentAssets_3102ec28-a20a-40cc-bc9a-ca172faf9ebf_terseLabel_en-US" xlink:label="lab_acb_IncreaseThroughClassifiedAsHeldForSaleOtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Addition </link:label>
<link:label id="lab_acb_IncreaseThroughClassifiedAsHeldForSaleOtherNoncurrentAssets_label_en-US" xlink:label="lab_acb_IncreaseThroughClassifiedAsHeldForSaleOtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase Through Classified As Held For Sale Other Noncurrent Assets </link:label>
<link:label id="lab_acb_IncreaseThroughClassifiedAsHeldForSaleOtherNoncurrentAssets_documentation_en-US" xlink:label="lab_acb_IncreaseThroughClassifiedAsHeldForSaleOtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase Through Classified As Held For Sale Other Noncurrent Assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseThroughClassifiedAsHeldForSaleOtherNoncurrentAssets" xlink:href="acb-20210630.xsd#acb_IncreaseThroughClassifiedAsHeldForSaleOtherNoncurrentAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncreaseThroughClassifiedAsHeldForSaleOtherNoncurrentAssets" xlink:to="lab_acb_IncreaseThroughClassifiedAsHeldForSaleOtherNoncurrentAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityClaimRegardingPerformanceOfSupplyAgreementMember_45afdde7-1997-46d1-b158-41014cec0648_terseLabel_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClaimRegardingPerformanceOfSupplyAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Claim regarding performance of supply agreement and damages for breach of contract </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityClaimRegardingPerformanceOfSupplyAgreementMember_label_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClaimRegardingPerformanceOfSupplyAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Claim Regarding Performance Of Supply Agreement [Member] </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityClaimRegardingPerformanceOfSupplyAgreementMember_documentation_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClaimRegardingPerformanceOfSupplyAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Claim Regarding Performance Of Supply Agreement [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LegalProceedingsContingentLiabilityClaimRegardingPerformanceOfSupplyAgreementMember" xlink:href="acb-20210630.xsd#acb_LegalProceedingsContingentLiabilityClaimRegardingPerformanceOfSupplyAgreementMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LegalProceedingsContingentLiabilityClaimRegardingPerformanceOfSupplyAgreementMember" xlink:to="lab_acb_LegalProceedingsContingentLiabilityClaimRegardingPerformanceOfSupplyAgreementMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FairValueAdjustmentMember_c808084c-f3d7-407d-b0c3-349d0a5a4966_terseLabel_en-US" xlink:label="lab_acb_FairValueAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair value adjustment </link:label>
<link:label id="lab_acb_FairValueAdjustmentMember_label_en-US" xlink:label="lab_acb_FairValueAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair Value Adjustment [Member] </link:label>
<link:label id="lab_acb_FairValueAdjustmentMember_documentation_en-US" xlink:label="lab_acb_FairValueAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair Value Adjustment [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FairValueAdjustmentMember" xlink:href="acb-20210630.xsd#acb_FairValueAdjustmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FairValueAdjustmentMember" xlink:to="lab_acb_FairValueAdjustmentMember" xlink:type="arc" order="1"/>
<link:label id="lab_dei_Security12bTitle_0b78d0d8-c8e0-4497-b90e-7a973f2b1512_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Title of 12(b) Security </link:label>
<link:label id="lab_dei_Security12bTitle_label_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Title of 12(b) Security </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_Security12bTitle"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_Security12bTitle" xlink:to="lab_dei_Security12bTitle" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory_bc1433d8-8379-4a21-831c-16f08f08e618_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restricted Cash </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for restricted cash and cash equivalents [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_WeightedAverageExercisePriceOfWarrantsExpired_732dc3e7-26ea-473e-a4fd-450f91c77512_terseLabel_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfWarrantsExpired" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average exercise price, expired (in CAD per share) </link:label>
<link:label id="lab_acb_WeightedAverageExercisePriceOfWarrantsExpired_label_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfWarrantsExpired" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Exercise Price Of Warrants Expired </link:label>
<link:label id="lab_acb_WeightedAverageExercisePriceOfWarrantsExpired_documentation_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfWarrantsExpired" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Exercise Price Of Warrants Expired </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_WeightedAverageExercisePriceOfWarrantsExpired" xlink:href="acb-20210630.xsd#acb_WeightedAverageExercisePriceOfWarrantsExpired"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_WeightedAverageExercisePriceOfWarrantsExpired" xlink:to="lab_acb_WeightedAverageExercisePriceOfWarrantsExpired" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfJointVenturesExplanatory_7b502ecf-1505-4c5e-a425-ee420abb5a3d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfJointVenturesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of Investments in Joint Ventures </link:label>
<link:label id="lab_ifrs-full_DisclosureOfJointVenturesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfJointVenturesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of joint ventures [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfJointVenturesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfJointVenturesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfJointVenturesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfJointVenturesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AmountsHeldInEscrowRecognisedAsOfAcquisitionDate_25a2f9b2-b8ed-44a3-b543-74caabe8fedb_terseLabel_en-US" xlink:label="lab_acb_AmountsHeldInEscrowRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Funds held in escrow </link:label>
<link:label id="lab_acb_AmountsHeldInEscrowRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_acb_AmountsHeldInEscrowRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts Held In Escrow Recognised As Of Acquisition Date </link:label>
<link:label id="lab_acb_AmountsHeldInEscrowRecognisedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_acb_AmountsHeldInEscrowRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts Held In Escrow Recognised As Of Acquisition Date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AmountsHeldInEscrowRecognisedAsOfAcquisitionDate" xlink:href="acb-20210630.xsd#acb_AmountsHeldInEscrowRecognisedAsOfAcquisitionDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AmountsHeldInEscrowRecognisedAsOfAcquisitionDate" xlink:to="lab_acb_AmountsHeldInEscrowRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentLeaseLiabilities_a42054fc-bdfa-4df4-8da6-14901b995c3c_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease liabilities </link:label>
<link:label id="lab_ifrs-full_CurrentLeaseLiabilities_18a0967a-c779-48e5-ab2c-67ac023df918_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current portion of lease liabilities </link:label>
<link:label id="lab_ifrs-full_CurrentLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current lease liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentLeaseLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentLeaseLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLeaseLiabilities" xlink:to="lab_ifrs-full_CurrentLeaseLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CapitalLossRelatedTemporaryDifferencesMember_2bff7a91-bcf7-4b5b-ad5d-3ba310fb71bb_terseLabel_en-US" xlink:label="lab_acb_CapitalLossRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capital losses </link:label>
<link:label id="lab_acb_CapitalLossRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_acb_CapitalLossRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capital Loss Related Temporary Differences [Member] </link:label>
<link:label id="lab_acb_CapitalLossRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_acb_CapitalLossRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capital Loss Related Temporary Differences [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CapitalLossRelatedTemporaryDifferencesMember" xlink:href="acb-20210630.xsd#acb_CapitalLossRelatedTemporaryDifferencesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CapitalLossRelatedTemporaryDifferencesMember" xlink:to="lab_acb_CapitalLossRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxLiabilitiesPropertyPlantAndEquipmentMember_4e01534b-df07-42bc-94c1-a6ff6c70e3e3_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, plant and equipment </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesPropertyPlantAndEquipmentMember_label_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Property, Plant And Equipment [Member] </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesPropertyPlantAndEquipmentMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesPropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Property, Plant And Equipment [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxLiabilitiesPropertyPlantAndEquipmentMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxLiabilitiesPropertyPlantAndEquipmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxLiabilitiesPropertyPlantAndEquipmentMember" xlink:to="lab_acb_DeferredTaxLiabilitiesPropertyPlantAndEquipmentMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_1d22a342-d568-43ad-84f8-2945ebcbd46e_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Recovered through (charged to) earnings </link:label>
<link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred tax expense (income) recognised in profit or loss </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxAssetsCapitalLossesMember_13c5aac3-7722-48d0-b7d4-57e82e1dc21f_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxAssetsCapitalLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capital losses </link:label>
<link:label id="lab_acb_DeferredTaxAssetsCapitalLossesMember_label_en-US" xlink:label="lab_acb_DeferredTaxAssetsCapitalLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Capital Losses [Member] </link:label>
<link:label id="lab_acb_DeferredTaxAssetsCapitalLossesMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxAssetsCapitalLossesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Capital Losses [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxAssetsCapitalLossesMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxAssetsCapitalLossesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxAssetsCapitalLossesMember" xlink:to="lab_acb_DeferredTaxAssetsCapitalLossesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OutputOfAgriculturalProduceAverageStageOfGrowth_75ad6c03-243b-4e2c-bc5f-4077927d67c5_terseLabel_en-US" xlink:label="lab_acb_OutputOfAgriculturalProduceAverageStageOfGrowth" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Average stage of growth </link:label>
<link:label id="lab_acb_OutputOfAgriculturalProduceAverageStageOfGrowth_label_en-US" xlink:label="lab_acb_OutputOfAgriculturalProduceAverageStageOfGrowth" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Output Of Agricultural Produce, Average Stage Of Growth </link:label>
<link:label id="lab_acb_OutputOfAgriculturalProduceAverageStageOfGrowth_documentation_en-US" xlink:label="lab_acb_OutputOfAgriculturalProduceAverageStageOfGrowth" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Output Of Agricultural Produce, Average Stage Of Growth </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OutputOfAgriculturalProduceAverageStageOfGrowth" xlink:href="acb-20210630.xsd#acb_OutputOfAgriculturalProduceAverageStageOfGrowth"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OutputOfAgriculturalProduceAverageStageOfGrowth" xlink:to="lab_acb_OutputOfAgriculturalProduceAverageStageOfGrowth" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_3c7825f1-5291-4097-abcb-1d6f8935a14e_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for recognition of revenue [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis_2c51fd74-c203-487d-a465-3d5474b1682b_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Associates [axis] </link:label>
<link:label id="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis_label_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Associates [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:to="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_5b7c0468-b327-4ec2-b61e-8f6d20ec6cb3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about property, plant and equipment [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about property, plant and equipment [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract_cfd96f94-c1c2-407f-a233-dc083f98cd98_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of comprehensive income [abstract] </link:label>
<link:label id="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of comprehensive income [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfComprehensiveIncomeAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_A2021DebentureMember_4ec94463-29f2-4c18-94a0-0b30027e7ffa_terseLabel_en-US" xlink:label="lab_acb_A2021DebentureMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 2021 Debenture </link:label>
<link:label id="lab_acb_A2021DebentureMember_label_en-US" xlink:label="lab_acb_A2021DebentureMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 2021 Debenture [Member] </link:label>
<link:label id="lab_acb_A2021DebentureMember_documentation_en-US" xlink:label="lab_acb_A2021DebentureMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 2021 Debenture </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_A2021DebentureMember" xlink:href="acb-20210630.xsd#acb_A2021DebentureMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_A2021DebentureMember" xlink:to="lab_acb_A2021DebentureMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember_806ba224-a57f-436f-8d50-198df62bc716_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accumulated depreciation </link:label>
<link:label id="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember_5d771b9c-0f2f-41c9-ae25-0b1eccfe45f4_verboseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accumulated amortization </link:label>
<link:label id="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accumulated depreciation and amortisation [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AccumulatedDepreciationAndAmortisationMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:to="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:type="arc" order="1"/>
<link:label id="lab_srt_ScenarioPreviouslyReportedMember_3696c144-28e1-4034-a6dd-29e3c6080328_terseLabel_en-US" xlink:label="lab_srt_ScenarioPreviouslyReportedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> As previously reported </link:label>
<link:label id="lab_srt_ScenarioPreviouslyReportedMember_label_en-US" xlink:label="lab_srt_ScenarioPreviouslyReportedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Previously Reported [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioPreviouslyReportedMember" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScenarioPreviouslyReportedMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScenarioPreviouslyReportedMember" xlink:to="lab_srt_ScenarioPreviouslyReportedMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations_f3687406-7b4b-4974-a80b-83e5892199fa_verboseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net cash used in operating activities from discontinued operations </link:label>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash flows from (used in) operating activities, discontinued operations </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_15550b4d-e7f1-45b6-a3af-2a72844f9fab_verboseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred tax liability </link:label>
<link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_dd8633ee-afda-4e65-9a83-50414555c51a_negatedLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred tax liability </link:label>
<link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_c16c7ac3-b2f1-445d-8917-6bc74dbe0c72_negatedPeriodStartLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred tax asset (liability) </link:label>
<link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_ebeec66d-f0db-48ab-a16d-d3aa03a6b394_negatedPeriodEndLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred tax asset (liability) </link:label>
<link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_d9f330a3-579c-4d30-8ef8-ac61937569df_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net deferred tax assets (liabilities) </link:label>
<link:label id="lab_ifrs-full_DeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred tax liability (asset) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxLiabilityAsset" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DeferredTaxLiabilityAsset"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxLiabilityAsset" xlink:to="lab_ifrs-full_DeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable_4c2eb158-3ec3-4036-8204-4b0350aef797_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of significant unobservable inputs used in fair value measurement of assets [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of significant unobservable inputs used in fair value measurement of assets [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_bf878c0e-c980-4afd-b65c-0a694c9a70d8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value measurement of assets [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value measurement of assets [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxLiabilitiesMarketableSecuritiesMember_4270bcec-15cf-4c02-949a-6a0b82760b57_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesMarketableSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Marketable securities </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesMarketableSecuritiesMember_label_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesMarketableSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Marketable Securities [Member] </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesMarketableSecuritiesMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesMarketableSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Marketable Securities [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxLiabilitiesMarketableSecuritiesMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxLiabilitiesMarketableSecuritiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxLiabilitiesMarketableSecuritiesMember" xlink:to="lab_acb_DeferredTaxLiabilitiesMarketableSecuritiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_d03b8aad-e373-4267-8eba-3967137d84a9_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share-based compensation </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) through share-based payment transactions, equity </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OrdinarySharesMember_f6902b48-72f6-4b2d-a7d1-271ffc42571f_terseLabel_en-US" xlink:label="lab_ifrs-full_OrdinarySharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ordinary shares </link:label>
<link:label id="lab_ifrs-full_OrdinarySharesMember_label_en-US" xlink:label="lab_ifrs-full_OrdinarySharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ordinary shares [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OrdinarySharesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OrdinarySharesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OrdinarySharesMember" xlink:to="lab_ifrs-full_OrdinarySharesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AmountsReceivableInterestRateRelatedPartyTransactions_f8e35d7d-1d13-4013-bd34-1157426ceda4_terseLabel_en-US" xlink:label="lab_acb_AmountsReceivableInterestRateRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest rate on related party loan receivable </link:label>
<link:label id="lab_acb_AmountsReceivableInterestRateRelatedPartyTransactions_label_en-US" xlink:label="lab_acb_AmountsReceivableInterestRateRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts Receivable, Interest Rate, Related Party Transactions </link:label>
<link:label id="lab_acb_AmountsReceivableInterestRateRelatedPartyTransactions_documentation_en-US" xlink:label="lab_acb_AmountsReceivableInterestRateRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts Receivable, Interest Rate, Related Party Transactions </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AmountsReceivableInterestRateRelatedPartyTransactions" xlink:href="acb-20210630.xsd#acb_AmountsReceivableInterestRateRelatedPartyTransactions"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AmountsReceivableInterestRateRelatedPartyTransactions" xlink:to="lab_acb_AmountsReceivableInterestRateRelatedPartyTransactions" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AtCostMember_3d523a9c-bb47-45f0-b58b-0a4afb041970_terseLabel_en-US" xlink:label="lab_ifrs-full_AtCostMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capitalized cost </link:label>
<link:label id="lab_ifrs-full_AtCostMember_label_en-US" xlink:label="lab_ifrs-full_AtCostMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> At cost [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AtCostMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AtCostMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AtCostMember" xlink:to="lab_ifrs-full_AtCostMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RangesOfExercisePricesForOutstandingWarrantsDomain_5c32330d-7423-437a-90cb-5416a37f828d_terseLabel_en-US" xlink:label="lab_acb_RangesOfExercisePricesForOutstandingWarrantsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges Of Exercise Prices For Outstanding Warrants [Domain] </link:label>
<link:label id="lab_acb_RangesOfExercisePricesForOutstandingWarrantsDomain_label_en-US" xlink:label="lab_acb_RangesOfExercisePricesForOutstandingWarrantsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges Of Exercise Prices For Outstanding Warrants [Domain] </link:label>
<link:label id="lab_acb_RangesOfExercisePricesForOutstandingWarrantsDomain_documentation_en-US" xlink:label="lab_acb_RangesOfExercisePricesForOutstandingWarrantsDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> [Domain] for Ranges Of Exercise Prices For Outstanding Warrants [Axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RangesOfExercisePricesForOutstandingWarrantsDomain" xlink:href="acb-20210630.xsd#acb_RangesOfExercisePricesForOutstandingWarrantsDomain"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RangesOfExercisePricesForOutstandingWarrantsDomain" xlink:to="lab_acb_RangesOfExercisePricesForOutstandingWarrantsDomain" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_8d6a00e7-0d51-4d43-824f-0ce5895aa692_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Nature of Operations </link:label>
<link:label id="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of general information about financial statements [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CurrentPayrollLiabilities_1091fc92-6764-4139-aeaa-b548fc53db20_terseLabel_en-US" xlink:label="lab_acb_CurrentPayrollLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payroll liabilities </link:label>
<link:label id="lab_acb_CurrentPayrollLiabilities_label_en-US" xlink:label="lab_acb_CurrentPayrollLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current Payroll Liabilities </link:label>
<link:label id="lab_acb_CurrentPayrollLiabilities_documentation_en-US" xlink:label="lab_acb_CurrentPayrollLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current Payroll Liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CurrentPayrollLiabilities" xlink:href="acb-20210630.xsd#acb_CurrentPayrollLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CurrentPayrollLiabilities" xlink:to="lab_acb_CurrentPayrollLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ConvertibleDebentureMarch2018Member_f935dfaf-fdaf-4dbc-bb0d-ca1c3c929dad_terseLabel_en-US" xlink:label="lab_acb_ConvertibleDebentureMarch2018Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible debenture, March 2018 </link:label>
<link:label id="lab_acb_ConvertibleDebentureMarch2018Member_label_en-US" xlink:label="lab_acb_ConvertibleDebentureMarch2018Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Debenture, March 2018 [Member] </link:label>
<link:label id="lab_acb_ConvertibleDebentureMarch2018Member_documentation_en-US" xlink:label="lab_acb_ConvertibleDebentureMarch2018Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Debenture, March 2018 [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ConvertibleDebentureMarch2018Member" xlink:href="acb-20210630.xsd#acb_ConvertibleDebentureMarch2018Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ConvertibleDebentureMarch2018Member" xlink:to="lab_acb_ConvertibleDebentureMarch2018Member" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_56e4dae0-361a-4873-90ff-03957f5bb664_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial assets, at fair value </link:label>
<link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_bed81d78-d441-42df-b29b-b08bfb940ec7_verboseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair value of financial instrument </link:label>
<link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial assets, at fair value </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValue" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialAssetsAtFairValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValue" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LiabilitiesAbstract_64467b78-3d2f-45cd-b2b7-c4f1c7deea56_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Liabilities </link:label>
<link:label id="lab_ifrs-full_LiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Liabilities [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LiabilitiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesAbstract" xlink:to="lab_ifrs-full_LiabilitiesAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract_f0982014-e4da-4a01-ab97-9e19fd719488_terseLabel_en-US" xlink:label="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Subclassifications of assets, liabilities and equities [abstract] </link:label>
<link:label id="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Subclassifications of assets, liabilities and equities [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:to="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_MaterialIncomeAndExpenseAbstract_5be9be71-ae22-4c13-a222-e387e91b5947_terseLabel_en-US" xlink:label="lab_ifrs-full_MaterialIncomeAndExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other (expense) income </link:label>
<link:label id="lab_ifrs-full_MaterialIncomeAndExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_MaterialIncomeAndExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Material income and expense [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaterialIncomeAndExpenseAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_MaterialIncomeAndExpenseAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaterialIncomeAndExpenseAbstract" xlink:to="lab_ifrs-full_MaterialIncomeAndExpenseAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems_9fd27382-d8a2-4e05-9164-e99b79825092_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of maturity analysis of operating lease payments [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of maturity analysis of operating lease payments [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_883d721c-4a2a-497a-8f27-d00573f43e0c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of classes of share capital [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of classes of share capital [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RawMaterials_748eb2b7-6b21-422d-981d-98b89abdada7_terseLabel_en-US" xlink:label="lab_ifrs-full_RawMaterials" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Raw materials </link:label>
<link:label id="lab_ifrs-full_RawMaterials_label_en-US" xlink:label="lab_ifrs-full_RawMaterials" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current raw materials </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RawMaterials" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RawMaterials"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RawMaterials" xlink:to="lab_ifrs-full_RawMaterials" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory_0410ed26-4a2d-4c04-b56e-a7cb14e75010_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss Per Share </link:label>
<link:label id="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of earnings per share [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfEarningsPerShareExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_InterestRateMeasurementInputMember_89193031-dc76-4d8f-8430-6281bb99b7cb_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Risk-free interest rate </link:label>
<link:label id="lab_ifrs-full_InterestRateMeasurementInputMember_label_en-US" xlink:label="lab_ifrs-full_InterestRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest rate, measurement input [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRateMeasurementInputMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestRateMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRateMeasurementInputMember" xlink:to="lab_ifrs-full_InterestRateMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets_01410bfa-98d5-41ac-80ae-336b06a0765a_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Decrease in fair value measurement due to reasonably possible decrease in unobservable input, assets </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:to="lab_ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BusinesscombinationsAbstract_6efc2c60-8ad2-4eb1-9556-2aff48f30610_terseLabel_en-US" xlink:label="lab_acb_BusinesscombinationsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Business combinations [Abstract] </link:label>
<link:label id="lab_acb_BusinesscombinationsAbstract_label_en-US" xlink:label="lab_acb_BusinesscombinationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Business combinations [Abstract] </link:label>
<link:label id="lab_acb_BusinesscombinationsAbstract_documentation_en-US" xlink:label="lab_acb_BusinesscombinationsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Business combinations [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BusinesscombinationsAbstract" xlink:href="acb-20210630.xsd#acb_BusinesscombinationsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BusinesscombinationsAbstract" xlink:to="lab_acb_BusinesscombinationsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ClassesOfAssetsAxis_4a5ebeb4-27c2-4e1b-ad6a-911233e2ac5e_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of assets [axis] </link:label>
<link:label id="lab_ifrs-full_ClassesOfAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of assets [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfAssetsAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ClassesOfAssetsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfAssetsAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_Inventories_e491685f-985c-4369-85ff-c35e41b3a6ba_terseLabel_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventory </link:label>
<link:label id="lab_ifrs-full_Inventories_97c4cea2-a667-420d-b11f-4d1e85f854ab_totalLabel_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventory </link:label>
<link:label id="lab_ifrs-full_Inventories_label_en-US" xlink:label="lab_ifrs-full_Inventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current inventories </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Inventories" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Inventories"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Inventories" xlink:to="lab_ifrs-full_Inventories" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfMaturityOfGrossContractualObligationsTextBlock_d595427f-2b02-4f8b-92df-191d2c00b947_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfMaturityOfGrossContractualObligationsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Schedule of Gross Contractual Obligations </link:label>
<link:label id="lab_acb_DisclosureOfMaturityOfGrossContractualObligationsTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfMaturityOfGrossContractualObligationsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Maturity Of Gross Contractual Obligations [Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfMaturityOfGrossContractualObligationsTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfMaturityOfGrossContractualObligationsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Maturity Of Gross Contractual Obligations [Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfMaturityOfGrossContractualObligationsTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfMaturityOfGrossContractualObligationsTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfMaturityOfGrossContractualObligationsTextBlock" xlink:to="lab_acb_DisclosureOfMaturityOfGrossContractualObligationsTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsCovenantMinimumEarningsBeforeInterestTaxesDepreciationAndAmortization_9e4d9ca5-f7f8-4496-988b-9b8c3d332d2d_terseLabel_en-US" xlink:label="lab_acb_BorrowingsCovenantMinimumEarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Minimum EBITDA </link:label>
<link:label id="lab_acb_BorrowingsCovenantMinimumEarningsBeforeInterestTaxesDepreciationAndAmortization_label_en-US" xlink:label="lab_acb_BorrowingsCovenantMinimumEarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Minimum Earnings Before Interest, Taxes, Depreciation, And Amortization </link:label>
<link:label id="lab_acb_BorrowingsCovenantMinimumEarningsBeforeInterestTaxesDepreciationAndAmortization_documentation_en-US" xlink:label="lab_acb_BorrowingsCovenantMinimumEarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Minimum Earnings Before Interest, Taxes, Depreciation, And Amortization </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsCovenantMinimumEarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:href="acb-20210630.xsd#acb_BorrowingsCovenantMinimumEarningsBeforeInterestTaxesDepreciationAndAmortization"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsCovenantMinimumEarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:to="lab_acb_BorrowingsCovenantMinimumEarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember_194f5240-0a61-43e0-8634-18444af7853c_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> FVTPL </link:label>
<link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial liabilities at fair value through profit or loss, category [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InstrumentRedemptionPeriodFollowingTerminationOtherEquityInstruments_154651fa-0fde-4b2b-aaf0-550d4c841a8f_terseLabel_en-US" xlink:label="lab_acb_InstrumentRedemptionPeriodFollowingTerminationOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Instrument redemption period following termination </link:label>
<link:label id="lab_acb_InstrumentRedemptionPeriodFollowingTerminationOtherEquityInstruments_label_en-US" xlink:label="lab_acb_InstrumentRedemptionPeriodFollowingTerminationOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Instrument Redemption Period Following Termination, Other Equity Instruments </link:label>
<link:label id="lab_acb_InstrumentRedemptionPeriodFollowingTerminationOtherEquityInstruments_documentation_en-US" xlink:label="lab_acb_InstrumentRedemptionPeriodFollowingTerminationOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Instrument Redemption Period Following Termination, Other Equity Instruments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InstrumentRedemptionPeriodFollowingTerminationOtherEquityInstruments" xlink:href="acb-20210630.xsd#acb_InstrumentRedemptionPeriodFollowingTerminationOtherEquityInstruments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InstrumentRedemptionPeriodFollowingTerminationOtherEquityInstruments" xlink:to="lab_acb_InstrumentRedemptionPeriodFollowingTerminationOtherEquityInstruments" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_1337505e-326f-4949-8b52-04bd05608024_terseLabel_en-US" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> General and administration </link:label>
<link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_d64344a7-6cd1-45a4-a3fe-d2e3c3a07d43_verboseLabel_en-US" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> General and administration expenses </link:label>
<link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_label_en-US" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> General and administrative expense </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GeneralAndAdministrativeExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:to="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NovemberUnitOfferingMember_cfccb874-8f89-4d68-82a5-3092aac99de6_terseLabel_en-US" xlink:label="lab_acb_NovemberUnitOfferingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November Unit Offering </link:label>
<link:label id="lab_acb_NovemberUnitOfferingMember_label_en-US" xlink:label="lab_acb_NovemberUnitOfferingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November Unit Offering [Member] </link:label>
<link:label id="lab_acb_NovemberUnitOfferingMember_documentation_en-US" xlink:label="lab_acb_NovemberUnitOfferingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November Unit Offering </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NovemberUnitOfferingMember" xlink:href="acb-20210630.xsd#acb_NovemberUnitOfferingMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NovemberUnitOfferingMember" xlink:to="lab_acb_NovemberUnitOfferingMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NovemberAndJanuaryUnitOfferingsMember_40dc1099-a5aa-4a1a-a7bc-3fd983d0b469_terseLabel_en-US" xlink:label="lab_acb_NovemberAndJanuaryUnitOfferingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November and January Unit Offerings </link:label>
<link:label id="lab_acb_NovemberAndJanuaryUnitOfferingsMember_label_en-US" xlink:label="lab_acb_NovemberAndJanuaryUnitOfferingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November And January Unit Offerings [Member] </link:label>
<link:label id="lab_acb_NovemberAndJanuaryUnitOfferingsMember_documentation_en-US" xlink:label="lab_acb_NovemberAndJanuaryUnitOfferingsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November And January Unit Offerings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NovemberAndJanuaryUnitOfferingsMember" xlink:href="acb-20210630.xsd#acb_NovemberAndJanuaryUnitOfferingsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NovemberAndJanuaryUnitOfferingsMember" xlink:to="lab_acb_NovemberAndJanuaryUnitOfferingsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_Liabilities_05b4061e-3af0-4184-b343-d557e7dc2476_totalLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total liabilities </link:label>
<link:label id="lab_ifrs-full_Liabilities_6ea574b9-6198-4d64-8d4c-65baebbc28f1_verboseLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Liabilities </link:label>
<link:label id="lab_ifrs-full_Liabilities_f24ad603-4fa7-4cbb-8841-db3beb0451d0_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Beginning balance </link:label>
<link:label id="lab_ifrs-full_Liabilities_0b0a12bb-8a6b-4e64-91e7-be4add7c1d10_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ending balance </link:label>
<link:label id="lab_ifrs-full_Liabilities_label_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Liabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Liabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Liabilities" xlink:to="lab_ifrs-full_Liabilities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NoncurrentAssets_31f391ca-6e8f-4bf3-a992-13a96fb3b487_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current assets </link:label>
<link:label id="lab_ifrs-full_NoncurrentAssets_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssets" xlink:to="lab_ifrs-full_NoncurrentAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ProceedsFromBorrowingsCurrentAndNoncurrent_efe503fb-d52a-4995-a3b3-7a7944e92736_terseLabel_en-US" xlink:label="lab_acb_ProceedsFromBorrowingsCurrentAndNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions </link:label>
<link:label id="lab_acb_ProceedsFromBorrowingsCurrentAndNoncurrent_label_en-US" xlink:label="lab_acb_ProceedsFromBorrowingsCurrentAndNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds From Borrowings, Current And Noncurrent </link:label>
<link:label id="lab_acb_ProceedsFromBorrowingsCurrentAndNoncurrent_documentation_en-US" xlink:label="lab_acb_ProceedsFromBorrowingsCurrentAndNoncurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds From Borrowings, Current And Noncurrent </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ProceedsFromBorrowingsCurrentAndNoncurrent" xlink:href="acb-20210630.xsd#acb_ProceedsFromBorrowingsCurrentAndNoncurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ProceedsFromBorrowingsCurrentAndNoncurrent" xlink:to="lab_acb_ProceedsFromBorrowingsCurrentAndNoncurrent" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdditionsToRightofuseAssets_9d391bba-4b9c-4548-a61a-ee09c4b363f4_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsToRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Right-of-use-asset additions </link:label>
<link:label id="lab_ifrs-full_AdditionsToRightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_AdditionsToRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions to right-of-use assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsToRightofuseAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdditionsToRightofuseAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsToRightofuseAssets" xlink:to="lab_ifrs-full_AdditionsToRightofuseAssets" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IssuedCapitalMember_70df44f7-d3a9-4458-8c5c-bba4a4baf264_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share Capital </link:label>
<link:label id="lab_ifrs-full_IssuedCapitalMember_label_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Issued capital [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapitalMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssuedCapitalMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapitalMember" xlink:to="lab_ifrs-full_IssuedCapitalMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_d12fa9a2-e69c-4a4d-a045-5910f781c5b0_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment </link:label>
<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_39dd4bb4-b541-4a52-938f-5fb6db36eab8_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment of property, plant and equipment </link:label>
<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment loss recognised in profit or loss, property, plant and equipment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
<link:label id="lab_acb_SubscriptionReceiptWarrantsMember_f4130e1d-4b95-4d22-8754-4e84073138ab_terseLabel_en-US" xlink:label="lab_acb_SubscriptionReceiptWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Subscription Receipt Warrants </link:label>
<link:label id="lab_acb_SubscriptionReceiptWarrantsMember_label_en-US" xlink:label="lab_acb_SubscriptionReceiptWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Subscription Receipt Warrants [Member] </link:label>
<link:label id="lab_acb_SubscriptionReceiptWarrantsMember_documentation_en-US" xlink:label="lab_acb_SubscriptionReceiptWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Subscription Receipt Warrants [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_SubscriptionReceiptWarrantsMember" xlink:href="acb-20210630.xsd#acb_SubscriptionReceiptWarrantsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_SubscriptionReceiptWarrantsMember" xlink:to="lab_acb_SubscriptionReceiptWarrantsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProductsAndServicesMember_037681b8-f8a8-4b89-8df6-23f56a2ed2f2_terseLabel_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Products and services [member] </link:label>
<link:label id="lab_ifrs-full_ProductsAndServicesMember_label_en-US" xlink:label="lab_ifrs-full_ProductsAndServicesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Products and services [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProductsAndServicesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProductsAndServicesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProductsAndServicesMember" xlink:to="lab_ifrs-full_ProductsAndServicesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_MeasurementPeriodAdjustmentsForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_879e6f2e-8f4c-41bb-9a83-aa728e6a9fc2_verboseLabel_en-US" xlink:label="lab_acb_MeasurementPeriodAdjustmentsForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments </link:label>
<link:label id="lab_acb_MeasurementPeriodAdjustmentsForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_label_en-US" xlink:label="lab_acb_MeasurementPeriodAdjustmentsForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Measurement Period Adjustments For Each Major Class Of Assets Acquired And Liabilities Assumed [Abstract] </link:label>
<link:label id="lab_acb_MeasurementPeriodAdjustmentsForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_documentation_en-US" xlink:label="lab_acb_MeasurementPeriodAdjustmentsForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Measurement Period Adjustments For Each Major Class Of Assets Acquired And Liabilities Assumed [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_MeasurementPeriodAdjustmentsForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:href="acb-20210630.xsd#acb_MeasurementPeriodAdjustmentsForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_MeasurementPeriodAdjustmentsForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="lab_acb_MeasurementPeriodAdjustmentsForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ContinuingOperationsMember_91c15490-baae-4f6b-8605-aff9ac9358a7_terseLabel_en-US" xlink:label="lab_ifrs-full_ContinuingOperationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Continuing operations </link:label>
<link:label id="lab_ifrs-full_ContinuingOperationsMember_label_en-US" xlink:label="lab_ifrs-full_ContinuingOperationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Continuing operations [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContinuingOperationsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ContinuingOperationsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContinuingOperationsMember" xlink:to="lab_ifrs-full_ContinuingOperationsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FairValueChangesOnInventorySold_3886a175-f377-4e41-9952-0130c35f1090_negatedTerseLabel_en-US" xlink:label="lab_acb_FairValueChangesOnInventorySold" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Changes in fair value of inventory sold </link:label>
<link:label id="lab_acb_FairValueChangesOnInventorySold_5f94776e-4ab3-4165-9d97-927142a73866_negatedLabel_en-US" xlink:label="lab_acb_FairValueChangesOnInventorySold" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-cash expense related to changes in fair value of inventory sold </link:label>
<link:label id="lab_acb_FairValueChangesOnInventorySold_label_en-US" xlink:label="lab_acb_FairValueChangesOnInventorySold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair Value Changes On Inventory Sold </link:label>
<link:label id="lab_acb_FairValueChangesOnInventorySold_documentation_en-US" xlink:label="lab_acb_FairValueChangesOnInventorySold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair Value Changes On Inventory Sold </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FairValueChangesOnInventorySold" xlink:href="acb-20210630.xsd#acb_FairValueChangesOnInventorySold"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FairValueChangesOnInventorySold" xlink:to="lab_acb_FairValueChangesOnInventorySold" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GainsLossesOnDisposalsOfNoncurrentAssetsHeldForSale_ed96091a-5211-47ed-ab7a-d393e7ce3f9e_terseLabel_en-US" xlink:label="lab_acb_GainsLossesOnDisposalsOfNoncurrentAssetsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss on disposal </link:label>
<link:label id="lab_acb_GainsLossesOnDisposalsOfNoncurrentAssetsHeldForSale_label_en-US" xlink:label="lab_acb_GainsLossesOnDisposalsOfNoncurrentAssetsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (Losses) On Disposals Of Noncurrent Assets Held For Sale </link:label>
<link:label id="lab_acb_GainsLossesOnDisposalsOfNoncurrentAssetsHeldForSale_documentation_en-US" xlink:label="lab_acb_GainsLossesOnDisposalsOfNoncurrentAssetsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (Losses) On Disposals Of Noncurrent Assets Held For Sale </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GainsLossesOnDisposalsOfNoncurrentAssetsHeldForSale" xlink:href="acb-20210630.xsd#acb_GainsLossesOnDisposalsOfNoncurrentAssetsHeldForSale"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_GainsLossesOnDisposalsOfNoncurrentAssetsHeldForSale" xlink:to="lab_acb_GainsLossesOnDisposalsOfNoncurrentAssetsHeldForSale" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax_d1bc9508-4462-40d6-a5dd-556493bd84e8_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total </link:label>
<link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other comprehensive income that will be reclassified to profit or loss, before tax </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:type="arc" order="1"/>
<link:label id="lab_acb_MicronWasteTechnologiesInc.Member_12791e75-c2d1-4107-964c-396b03a05747_terseLabel_en-US" xlink:label="lab_acb_MicronWasteTechnologiesInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Micron </link:label>
<link:label id="lab_acb_MicronWasteTechnologiesInc.Member_label_en-US" xlink:label="lab_acb_MicronWasteTechnologiesInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Micron Waste Technologies Inc. [Member] </link:label>
<link:label id="lab_acb_MicronWasteTechnologiesInc.Member_documentation_en-US" xlink:label="lab_acb_MicronWasteTechnologiesInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Micron Waste Technologies Inc. [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_MicronWasteTechnologiesInc.Member" xlink:href="acb-20210630.xsd#acb_MicronWasteTechnologiesInc.Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_MicronWasteTechnologiesInc.Member" xlink:to="lab_acb_MicronWasteTechnologiesInc.Member" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_PropertyPlantAndEquipment_a387b74a-48fc-4e1c-ba0f-e5da0b17efa4_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, plant and equipment </link:label>
<link:label id="lab_ifrs-full_PropertyPlantAndEquipment_8c313979-3636-464d-8477-896088ccd7de_periodStartLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Beginning balance, property plant and equipment </link:label>
<link:label id="lab_ifrs-full_PropertyPlantAndEquipment_d2fbdce7-ddcc-4db0-a6bd-e683adbd535b_periodEndLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ending balance, property, plant and equipment </link:label>
<link:label id="lab_ifrs-full_PropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, plant and equipment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipment" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PropertyPlantAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="lab_ifrs-full_PropertyPlantAndEquipment" xlink:type="arc" order="1"/>
<link:label id="lab_acb_TaxEffectOfDivestitures_a13fd762-8a43-4dca-9eff-337dbf692844_terseLabel_en-US" xlink:label="lab_acb_TaxEffectOfDivestitures" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax impact on divestitures </link:label>
<link:label id="lab_acb_TaxEffectOfDivestitures_label_en-US" xlink:label="lab_acb_TaxEffectOfDivestitures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax Effect Of Divestitures </link:label>
<link:label id="lab_acb_TaxEffectOfDivestitures_documentation_en-US" xlink:label="lab_acb_TaxEffectOfDivestitures" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax Effect Of Divestitures </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TaxEffectOfDivestitures" xlink:href="acb-20210630.xsd#acb_TaxEffectOfDivestitures"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_TaxEffectOfDivestitures" xlink:to="lab_acb_TaxEffectOfDivestitures" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsConvertibleThresholdPercentageofStockPriceTrigger_1ae721bb-147a-44ca-98ea-859ba55168fd_terseLabel_en-US" xlink:label="lab_acb_BorrowingsConvertibleThresholdPercentageofStockPriceTrigger" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion, threshold percentage of stock price trigger </link:label>
<link:label id="lab_acb_BorrowingsConvertibleThresholdPercentageofStockPriceTrigger_label_en-US" xlink:label="lab_acb_BorrowingsConvertibleThresholdPercentageofStockPriceTrigger" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Threshold Percentage of Stock Price Trigger </link:label>
<link:label id="lab_acb_BorrowingsConvertibleThresholdPercentageofStockPriceTrigger_documentation_en-US" xlink:label="lab_acb_BorrowingsConvertibleThresholdPercentageofStockPriceTrigger" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Threshold Percentage of Stock Price Trigger </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsConvertibleThresholdPercentageofStockPriceTrigger" xlink:href="acb-20210630.xsd#acb_BorrowingsConvertibleThresholdPercentageofStockPriceTrigger"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsConvertibleThresholdPercentageofStockPriceTrigger" xlink:to="lab_acb_BorrowingsConvertibleThresholdPercentageofStockPriceTrigger" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OtherComprehensiveIncomeNetOfTaxDeferredTaxRecoveryExpense_ec9cab96-1f71-4467-b2b2-96d3305d044d_terseLabel_en-US" xlink:label="lab_acb_OtherComprehensiveIncomeNetOfTaxDeferredTaxRecoveryExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred tax recovery </link:label>
<link:label id="lab_acb_OtherComprehensiveIncomeNetOfTaxDeferredTaxRecoveryExpense_label_en-US" xlink:label="lab_acb_OtherComprehensiveIncomeNetOfTaxDeferredTaxRecoveryExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Comprehensive Income, Net Of Tax, Deferred Tax Recovery (Expense) </link:label>
<link:label id="lab_acb_OtherComprehensiveIncomeNetOfTaxDeferredTaxRecoveryExpense_documentation_en-US" xlink:label="lab_acb_OtherComprehensiveIncomeNetOfTaxDeferredTaxRecoveryExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Comprehensive Income, Net Of Tax, Deferred Tax Recovery (Expense) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OtherComprehensiveIncomeNetOfTaxDeferredTaxRecoveryExpense" xlink:href="acb-20210630.xsd#acb_OtherComprehensiveIncomeNetOfTaxDeferredTaxRecoveryExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OtherComprehensiveIncomeNetOfTaxDeferredTaxRecoveryExpense" xlink:to="lab_acb_OtherComprehensiveIncomeNetOfTaxDeferredTaxRecoveryExpense" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredRevenueRecognisedAsOfAcquisitionDate_c8306fe4-944b-41fa-9cac-30a407172aee_negatedTerseLabel_en-US" xlink:label="lab_acb_DeferredRevenueRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred revenue </link:label>
<link:label id="lab_acb_DeferredRevenueRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_acb_DeferredRevenueRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Revenue Recognised As Of Acquisition Date </link:label>
<link:label id="lab_acb_DeferredRevenueRecognisedAsOfAcquisitionDate_documentation_en-US" xlink:label="lab_acb_DeferredRevenueRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Revenue Recognised As Of Acquisition Date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredRevenueRecognisedAsOfAcquisitionDate" xlink:href="acb-20210630.xsd#acb_DeferredRevenueRecognisedAsOfAcquisitionDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredRevenueRecognisedAsOfAcquisitionDate" xlink:to="lab_acb_DeferredRevenueRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesTable_b9f1c816-1dbc-476d-90dd-bd2b971342ec_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Fair Value Measurements Of Assets And Liabilities [Table] </link:label>
<link:label id="lab_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesTable_label_en-US" xlink:label="lab_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Fair Value Measurements Of Assets And Liabilities [Table] </link:label>
<link:label id="lab_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesTable_documentation_en-US" xlink:label="lab_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Fair Value Measurements Of Assets And Liabilities [Table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesTable" xlink:href="acb-20210630.xsd#acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesTable" xlink:to="lab_acb_DisclosureOfFairValueMeasurementsOfAssetsAndLiabilitiesTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ClassesOfShareCapitalMember_77490e1b-b354-451b-9721-f729ecc10a85_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share capital [member] </link:label>
<link:label id="lab_ifrs-full_ClassesOfShareCapitalMember_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share capital [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ClassesOfShareCapitalMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalMember" xlink:to="lab_ifrs-full_ClassesOfShareCapitalMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfReportableSegments_9dcc39ae-a996-4c28-ad2f-7bd38e405a8c_terseLabel_en-US" xlink:label="lab_acb_NumberOfReportableSegments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of reportable segments </link:label>
<link:label id="lab_acb_NumberOfReportableSegments_label_en-US" xlink:label="lab_acb_NumberOfReportableSegments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Reportable Segments </link:label>
<link:label id="lab_acb_NumberOfReportableSegments_documentation_en-US" xlink:label="lab_acb_NumberOfReportableSegments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Reportable Segments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfReportableSegments" xlink:href="acb-20210630.xsd#acb_NumberOfReportableSegments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfReportableSegments" xlink:to="lab_acb_NumberOfReportableSegments" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AggregateFairValueWarrantsGranted_49a31e93-8b2b-49fe-beb4-1b245066fcd6_terseLabel_en-US" xlink:label="lab_acb_AggregateFairValueWarrantsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions </link:label>
<link:label id="lab_acb_AggregateFairValueWarrantsGranted_label_en-US" xlink:label="lab_acb_AggregateFairValueWarrantsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aggregate Fair Value, Warrants Granted </link:label>
<link:label id="lab_acb_AggregateFairValueWarrantsGranted_documentation_en-US" xlink:label="lab_acb_AggregateFairValueWarrantsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aggregate Fair Value, Warrants Granted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AggregateFairValueWarrantsGranted" xlink:href="acb-20210630.xsd#acb_AggregateFairValueWarrantsGranted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AggregateFairValueWarrantsGranted" xlink:to="lab_acb_AggregateFairValueWarrantsGranted" xlink:type="arc" order="1"/>
<link:label id="lab_acb_November2019DebenturesMember_127e01d9-3dc6-4b9d-b398-393320796443_terseLabel_en-US" xlink:label="lab_acb_November2019DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November 2019 Debentures </link:label>
<link:label id="lab_acb_November2019DebenturesMember_label_en-US" xlink:label="lab_acb_November2019DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November 2019 Debentures [Member] </link:label>
<link:label id="lab_acb_November2019DebenturesMember_documentation_en-US" xlink:label="lab_acb_November2019DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> November 2019 Debentures </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_November2019DebenturesMember" xlink:href="acb-20210630.xsd#acb_November2019DebenturesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_November2019DebenturesMember" xlink:to="lab_acb_November2019DebenturesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncomeStatementLocationAxis_476a430c-eec3-4b2c-a632-b8995caf3958_terseLabel_en-US" xlink:label="lab_acb_IncomeStatementLocationAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Statement Location [Axis] </link:label>
<link:label id="lab_acb_IncomeStatementLocationAxis_label_en-US" xlink:label="lab_acb_IncomeStatementLocationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Statement Location [Axis] </link:label>
<link:label id="lab_acb_IncomeStatementLocationAxis_documentation_en-US" xlink:label="lab_acb_IncomeStatementLocationAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Statement Location </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncomeStatementLocationAxis" xlink:href="acb-20210630.xsd#acb_IncomeStatementLocationAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncomeStatementLocationAxis" xlink:to="lab_acb_IncomeStatementLocationAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_bad29140-3db6-492e-9e69-ae503034af45_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected annual dividend yield </link:label>
<link:label id="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected dividend as percentage, share options granted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:to="lab_ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ComprehensiveIncome_3d20453f-2bbe-48b7-8bb9-7a30b3361380_totalLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total comprehensive loss </link:label>
<link:label id="lab_ifrs-full_ComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Comprehensive income </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncome" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComprehensiveIncome"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="lab_ifrs-full_ComprehensiveIncome" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CashFlowsFromUsedInDecreaseIncreaseInLongTermDeposits_59a899d1-9a58-4a88-b2eb-814edacbbc82_terseLabel_en-US" xlink:label="lab_acb_CashFlowsFromUsedInDecreaseIncreaseInLongTermDeposits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deposits </link:label>
<link:label id="lab_acb_CashFlowsFromUsedInDecreaseIncreaseInLongTermDeposits_label_en-US" xlink:label="lab_acb_CashFlowsFromUsedInDecreaseIncreaseInLongTermDeposits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash Flows From (Used In) Decrease (Increase) In Long-Term Deposits </link:label>
<link:label id="lab_acb_CashFlowsFromUsedInDecreaseIncreaseInLongTermDeposits_documentation_en-US" xlink:label="lab_acb_CashFlowsFromUsedInDecreaseIncreaseInLongTermDeposits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash Flows From (Used In) Decrease (Increase) In Long-Term Deposits </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CashFlowsFromUsedInDecreaseIncreaseInLongTermDeposits" xlink:href="acb-20210630.xsd#acb_CashFlowsFromUsedInDecreaseIncreaseInLongTermDeposits"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CashFlowsFromUsedInDecreaseIncreaseInLongTermDeposits" xlink:to="lab_acb_CashFlowsFromUsedInDecreaseIncreaseInLongTermDeposits" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExpenseFromSharebasedPaymentTransactionsWithEmployeesAndNonemployees_78bf408a-cf1a-4e04-9d4f-b3f8419cf554_terseLabel_en-US" xlink:label="lab_acb_ExpenseFromSharebasedPaymentTransactionsWithEmployeesAndNonemployees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share-based compensation </link:label>
<link:label id="lab_acb_ExpenseFromSharebasedPaymentTransactionsWithEmployeesAndNonemployees_label_en-US" xlink:label="lab_acb_ExpenseFromSharebasedPaymentTransactionsWithEmployeesAndNonemployees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expense From Share-based Payment Transactions With Employees And Nonemployees </link:label>
<link:label id="lab_acb_ExpenseFromSharebasedPaymentTransactionsWithEmployeesAndNonemployees_documentation_en-US" xlink:label="lab_acb_ExpenseFromSharebasedPaymentTransactionsWithEmployeesAndNonemployees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expense From Share-based Payment Transactions With Employees And Nonemployees </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExpenseFromSharebasedPaymentTransactionsWithEmployeesAndNonemployees" xlink:href="acb-20210630.xsd#acb_ExpenseFromSharebasedPaymentTransactionsWithEmployeesAndNonemployees"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExpenseFromSharebasedPaymentTransactionsWithEmployeesAndNonemployees" xlink:to="lab_acb_ExpenseFromSharebasedPaymentTransactionsWithEmployeesAndNonemployees" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ReasonablyPossibleIncreaseInUnobservableInputLiabilities_254a2283-c37a-4373-a783-6bcba77f4844_terseLabel_en-US" xlink:label="lab_acb_ReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Months delayed expected timing of achieving milestones </link:label>
<link:label id="lab_acb_ReasonablyPossibleIncreaseInUnobservableInputLiabilities_label_en-US" xlink:label="lab_acb_ReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reasonably Possible Increase In Unobservable Input, Liabilities </link:label>
<link:label id="lab_acb_ReasonablyPossibleIncreaseInUnobservableInputLiabilities_documentation_en-US" xlink:label="lab_acb_ReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reasonably Possible Increase In Unobservable Input, Liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:href="acb-20210630.xsd#acb_ReasonablyPossibleIncreaseInUnobservableInputLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:to="lab_acb_ReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LatinAmericaPropertiesMember_93bed3c0-43c8-4826-97f6-cb7cafa46f01_terseLabel_en-US" xlink:label="lab_acb_LatinAmericaPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Latin America Properties </link:label>
<link:label id="lab_acb_LatinAmericaPropertiesMember_label_en-US" xlink:label="lab_acb_LatinAmericaPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Latin America Properties [Member] </link:label>
<link:label id="lab_acb_LatinAmericaPropertiesMember_documentation_en-US" xlink:label="lab_acb_LatinAmericaPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Latin America Properties [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LatinAmericaPropertiesMember" xlink:href="acb-20210630.xsd#acb_LatinAmericaPropertiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LatinAmericaPropertiesMember" xlink:to="lab_acb_LatinAmericaPropertiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AggregateFairValueWarrantsExercised_0b672760-5eb4-418b-ad89-912167dfe350_negatedTerseLabel_en-US" xlink:label="lab_acb_AggregateFairValueWarrantsExercised" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise </link:label>
<link:label id="lab_acb_AggregateFairValueWarrantsExercised_label_en-US" xlink:label="lab_acb_AggregateFairValueWarrantsExercised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aggregate Fair Value, Warrants Exercised </link:label>
<link:label id="lab_acb_AggregateFairValueWarrantsExercised_documentation_en-US" xlink:label="lab_acb_AggregateFairValueWarrantsExercised" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aggregate Fair Value, Warrants Exercised </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AggregateFairValueWarrantsExercised" xlink:href="acb-20210630.xsd#acb_AggregateFairValueWarrantsExercised"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AggregateFairValueWarrantsExercised" xlink:to="lab_acb_AggregateFairValueWarrantsExercised" xlink:type="arc" order="1"/>
<link:label id="lab_acb_UsefulLivesOrAmortizationRatesIntangibleAssetsOtherThanGoodwillPeriod_39bda0d2-7eb3-420d-884f-54386c4d0617_terseLabel_en-US" xlink:label="lab_acb_UsefulLivesOrAmortizationRatesIntangibleAssetsOtherThanGoodwillPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Useful life </link:label>
<link:label id="lab_acb_UsefulLivesOrAmortizationRatesIntangibleAssetsOtherThanGoodwillPeriod_label_en-US" xlink:label="lab_acb_UsefulLivesOrAmortizationRatesIntangibleAssetsOtherThanGoodwillPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Useful Lives Or Amortization Rates, Intangible Assets Other Than Goodwill, Period </link:label>
<link:label id="lab_acb_UsefulLivesOrAmortizationRatesIntangibleAssetsOtherThanGoodwillPeriod_documentation_en-US" xlink:label="lab_acb_UsefulLivesOrAmortizationRatesIntangibleAssetsOtherThanGoodwillPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Useful Lives Or Amortization Rates, Intangible Assets Other Than Goodwill, Period </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_UsefulLivesOrAmortizationRatesIntangibleAssetsOtherThanGoodwillPeriod" xlink:href="acb-20210630.xsd#acb_UsefulLivesOrAmortizationRatesIntangibleAssetsOtherThanGoodwillPeriod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_UsefulLivesOrAmortizationRatesIntangibleAssetsOtherThanGoodwillPeriod" xlink:to="lab_acb_UsefulLivesOrAmortizationRatesIntangibleAssetsOtherThanGoodwillPeriod" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExercisePriceRangeTwoMember_6ada683d-5ee8-4a9b-bf21-368db8c67bb8_verboseLabel_en-US" xlink:label="lab_acb_ExercisePriceRangeTwoMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Range Two </link:label>
<link:label id="lab_acb_ExercisePriceRangeTwoMember_label_en-US" xlink:label="lab_acb_ExercisePriceRangeTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Range Two [Member] </link:label>
<link:label id="lab_acb_ExercisePriceRangeTwoMember_documentation_en-US" xlink:label="lab_acb_ExercisePriceRangeTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Range Two [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExercisePriceRangeTwoMember" xlink:href="acb-20210630.xsd#acb_ExercisePriceRangeTwoMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExercisePriceRangeTwoMember" xlink:to="lab_acb_ExercisePriceRangeTwoMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ConvertibleDebentureJanuary2019Member_d65358e3-da19-482f-8f31-51502bb31dfc_terseLabel_en-US" xlink:label="lab_acb_ConvertibleDebentureJanuary2019Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible debenture, January 2019 </link:label>
<link:label id="lab_acb_ConvertibleDebentureJanuary2019Member_label_en-US" xlink:label="lab_acb_ConvertibleDebentureJanuary2019Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Debenture, January 2019 [Member] </link:label>
<link:label id="lab_acb_ConvertibleDebentureJanuary2019Member_documentation_en-US" xlink:label="lab_acb_ConvertibleDebentureJanuary2019Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Debenture, January 2019 [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ConvertibleDebentureJanuary2019Member" xlink:href="acb-20210630.xsd#acb_ConvertibleDebentureJanuary2019Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ConvertibleDebentureJanuary2019Member" xlink:to="lab_acb_ConvertibleDebentureJanuary2019Member" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasLineItems_b2047823-0cfa-4bd4-b895-1c7bf308004b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of geographical areas [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfGeographicalAreasLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of geographical areas [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfGeographicalAreasLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="lab_ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ReasonablyPossibleDecreaseInUnobservableInputAssets_047b990e-39d1-43bb-87d8-ad1257f9be19_terseLabel_en-US" xlink:label="lab_acb_ReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reasonably possible decrease in unobservable input, assets </link:label>
<link:label id="lab_acb_ReasonablyPossibleDecreaseInUnobservableInputAssets_label_en-US" xlink:label="lab_acb_ReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reasonably Possible Decrease In Unobservable Input, Assets </link:label>
<link:label id="lab_acb_ReasonablyPossibleDecreaseInUnobservableInputAssets_documentation_en-US" xlink:label="lab_acb_ReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reasonably Possible Decrease In Unobservable Input, Assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:href="acb-20210630.xsd#acb_ReasonablyPossibleDecreaseInUnobservableInputAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:to="lab_acb_ReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyLineItems_714267d0-1211-43d0-bca2-d85541e146f2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of voluntary change in accounting policy [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of voluntary change in accounting policy [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyLineItems" xlink:to="lab_ifrs-full_DisclosureOfVoluntaryChangeInAccountingPolicyLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LegalSettlementAndContractTerminationFees_50fee94c-f5b5-4585-bb6b-2f7a8e50ccad_negatedTerseLabel_en-US" xlink:label="lab_acb_LegalSettlementAndContractTerminationFees" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal settlement and contract termination fees </link:label>
<link:label id="lab_acb_LegalSettlementAndContractTerminationFees_label_en-US" xlink:label="lab_acb_LegalSettlementAndContractTerminationFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Settlement and Contract Termination Fees </link:label>
<link:label id="lab_acb_LegalSettlementAndContractTerminationFees_documentation_en-US" xlink:label="lab_acb_LegalSettlementAndContractTerminationFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Settlement and Contract Termination Fees </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LegalSettlementAndContractTerminationFees" xlink:href="acb-20210630.xsd#acb_LegalSettlementAndContractTerminationFees"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LegalSettlementAndContractTerminationFees" xlink:to="lab_acb_LegalSettlementAndContractTerminationFees" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_SharebasedPaymentArrangementsMember_539f4adb-2c34-4b3b-882e-01d1ac059936_terseLabel_en-US" xlink:label="lab_ifrs-full_SharebasedPaymentArrangementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share-based payment arrangements [member] </link:label>
<link:label id="lab_ifrs-full_SharebasedPaymentArrangementsMember_label_en-US" xlink:label="lab_ifrs-full_SharebasedPaymentArrangementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share-based payment arrangements [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SharebasedPaymentArrangementsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SharebasedPaymentArrangementsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SharebasedPaymentArrangementsMember" xlink:to="lab_ifrs-full_SharebasedPaymentArrangementsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CostOfSalesBeforeFairValueAdjustments_534fac61-05f2-4e96-8e65-ed9f43a472cb_terseLabel_en-US" xlink:label="lab_acb_CostOfSalesBeforeFairValueAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cost of sales </link:label>
<link:label id="lab_acb_CostOfSalesBeforeFairValueAdjustments_label_en-US" xlink:label="lab_acb_CostOfSalesBeforeFairValueAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cost Of Sales Before Fair Value Adjustments </link:label>
<link:label id="lab_acb_CostOfSalesBeforeFairValueAdjustments_documentation_en-US" xlink:label="lab_acb_CostOfSalesBeforeFairValueAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cost Of Sales Before Fair Value Adjustments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CostOfSalesBeforeFairValueAdjustments" xlink:href="acb-20210630.xsd#acb_CostOfSalesBeforeFairValueAdjustments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CostOfSalesBeforeFairValueAdjustments" xlink:to="lab_acb_CostOfSalesBeforeFairValueAdjustments" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfDerivativesAtFairValueThroughProfitOrLossTableTextBlock_d8c86835-caed-4f29-af88-97216bd0e63d_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfDerivativesAtFairValueThroughProfitOrLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivative Instruments </link:label>
<link:label id="lab_acb_DisclosureOfDerivativesAtFairValueThroughProfitOrLossTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfDerivativesAtFairValueThroughProfitOrLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Derivatives At Fair Value Through Profit Or Loss [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfDerivativesAtFairValueThroughProfitOrLossTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfDerivativesAtFairValueThroughProfitOrLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Derivatives At Fair Value Through Profit Or Loss [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfDerivativesAtFairValueThroughProfitOrLossTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfDerivativesAtFairValueThroughProfitOrLossTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfDerivativesAtFairValueThroughProfitOrLossTableTextBlock" xlink:to="lab_acb_DisclosureOfDerivativesAtFairValueThroughProfitOrLossTableTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentProvisions_cda92196-5dba-4061-aadc-4e3d5b43730b_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Provisions </link:label>
<link:label id="lab_ifrs-full_CurrentProvisions_label_en-US" xlink:label="lab_ifrs-full_CurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current provisions </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentProvisions" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentProvisions"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentProvisions" xlink:to="lab_ifrs-full_CurrentProvisions" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutSupplementaryCashFlowInformationExplanatoryTableTextBlock_f42161c3-e1cd-4e5b-8d75-c2cfbd3c2ca8_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutSupplementaryCashFlowInformationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Supplementary Cash Flow Information </link:label>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutSupplementaryCashFlowInformationExplanatoryTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutSupplementaryCashFlowInformationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Detailed Information About Supplementary Cash Flow Information, Explanatory [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutSupplementaryCashFlowInformationExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutSupplementaryCashFlowInformationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Detailed Information About Supplementary Cash Flow Information, Explanatory [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfDetailedInformationAboutSupplementaryCashFlowInformationExplanatoryTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfDetailedInformationAboutSupplementaryCashFlowInformationExplanatoryTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfDetailedInformationAboutSupplementaryCashFlowInformationExplanatoryTableTextBlock" xlink:to="lab_acb_DisclosureOfDetailedInformationAboutSupplementaryCashFlowInformationExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PatientConsultingCashGeneratingUnitMember_8ac55a2f-4d5a-491f-bff7-8268288d0519_terseLabel_en-US" xlink:label="lab_acb_PatientConsultingCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Patient Consulting CGU </link:label>
<link:label id="lab_acb_PatientConsultingCashGeneratingUnitMember_label_en-US" xlink:label="lab_acb_PatientConsultingCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Patient Consulting Cash Generating Unit [Member] </link:label>
<link:label id="lab_acb_PatientConsultingCashGeneratingUnitMember_documentation_en-US" xlink:label="lab_acb_PatientConsultingCashGeneratingUnitMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Patient Consulting Cash Generating Unit [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PatientConsultingCashGeneratingUnitMember" xlink:href="acb-20210630.xsd#acb_PatientConsultingCashGeneratingUnitMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PatientConsultingCashGeneratingUnitMember" xlink:to="lab_acb_PatientConsultingCashGeneratingUnitMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OutstandingAnnualCommitmentsMadeByEntityRelatedPartyTransactionNumber_616aeb25-fac8-453d-961d-53284e22c67b_terseLabel_en-US" xlink:label="lab_acb_OutstandingAnnualCommitmentsMadeByEntityRelatedPartyTransactionNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Remaining annual purchase commitments (in number of capsules) </link:label>
<link:label id="lab_acb_OutstandingAnnualCommitmentsMadeByEntityRelatedPartyTransactionNumber_label_en-US" xlink:label="lab_acb_OutstandingAnnualCommitmentsMadeByEntityRelatedPartyTransactionNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Outstanding Annual Commitments Made By Entity, Related Party Transaction, Number </link:label>
<link:label id="lab_acb_OutstandingAnnualCommitmentsMadeByEntityRelatedPartyTransactionNumber_documentation_en-US" xlink:label="lab_acb_OutstandingAnnualCommitmentsMadeByEntityRelatedPartyTransactionNumber" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Outstanding Annual Commitments Made By Entity, Related Party Transaction, Number </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OutstandingAnnualCommitmentsMadeByEntityRelatedPartyTransactionNumber" xlink:href="acb-20210630.xsd#acb_OutstandingAnnualCommitmentsMadeByEntityRelatedPartyTransactionNumber"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OutstandingAnnualCommitmentsMadeByEntityRelatedPartyTransactionNumber" xlink:to="lab_acb_OutstandingAnnualCommitmentsMadeByEntityRelatedPartyTransactionNumber" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AtTheMarketSupplementNetProceeds_f8c08332-5488-4a38-bfed-b2a66914eddc_terseLabel_en-US" xlink:label="lab_acb_AtTheMarketSupplementNetProceeds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net proceeds </link:label>
<link:label id="lab_acb_AtTheMarketSupplementNetProceeds_label_en-US" xlink:label="lab_acb_AtTheMarketSupplementNetProceeds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> At-The-Market Supplement, Net Proceeds </link:label>
<link:label id="lab_acb_AtTheMarketSupplementNetProceeds_documentation_en-US" xlink:label="lab_acb_AtTheMarketSupplementNetProceeds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> At-The-Market Supplement, Net Proceeds </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AtTheMarketSupplementNetProceeds" xlink:href="acb-20210630.xsd#acb_AtTheMarketSupplementNetProceeds"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AtTheMarketSupplementNetProceeds" xlink:to="lab_acb_AtTheMarketSupplementNetProceeds" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RestructuringFacilitiesClosureMember_90849024-f7bc-484a-8742-209a2745c71a_terseLabel_en-US" xlink:label="lab_acb_RestructuringFacilitiesClosureMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Facilities </link:label>
<link:label id="lab_acb_RestructuringFacilitiesClosureMember_label_en-US" xlink:label="lab_acb_RestructuringFacilitiesClosureMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Facilities Closure [Member] </link:label>
<link:label id="lab_acb_RestructuringFacilitiesClosureMember_documentation_en-US" xlink:label="lab_acb_RestructuringFacilitiesClosureMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Facilities Closure </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RestructuringFacilitiesClosureMember" xlink:href="acb-20210630.xsd#acb_RestructuringFacilitiesClosureMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RestructuringFacilitiesClosureMember" xlink:to="lab_acb_RestructuringFacilitiesClosureMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncreaseInBiologicalAssetsDueToCapitalizedProductionCosts_95eed847-2569-443e-9669-9ca01e4b4795_terseLabel_en-US" xlink:label="lab_acb_IncreaseInBiologicalAssetsDueToCapitalizedProductionCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Production costs capitalized </link:label>
<link:label id="lab_acb_IncreaseInBiologicalAssetsDueToCapitalizedProductionCosts_label_en-US" xlink:label="lab_acb_IncreaseInBiologicalAssetsDueToCapitalizedProductionCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase In Biological Assets Due To Capitalized Production Costs </link:label>
<link:label id="lab_acb_IncreaseInBiologicalAssetsDueToCapitalizedProductionCosts_documentation_en-US" xlink:label="lab_acb_IncreaseInBiologicalAssetsDueToCapitalizedProductionCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase In Biological Assets Due To Capitalized Production Costs </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseInBiologicalAssetsDueToCapitalizedProductionCosts" xlink:href="acb-20210630.xsd#acb_IncreaseInBiologicalAssetsDueToCapitalizedProductionCosts"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncreaseInBiologicalAssetsDueToCapitalizedProductionCosts" xlink:to="lab_acb_IncreaseInBiologicalAssetsDueToCapitalizedProductionCosts" xlink:type="arc" order="1"/>
<link:label id="lab_acb_MarketableSecuritiesMember_33c44472-544a-4215-be5b-89e36d80f181_terseLabel_en-US" xlink:label="lab_acb_MarketableSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Marketable securities </link:label>
<link:label id="lab_acb_MarketableSecuritiesMember_9555e79c-f696-4fc8-8b48-478d36b4ec0a_verboseLabel_en-US" xlink:label="lab_acb_MarketableSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Marketable securities </link:label>
<link:label id="lab_acb_MarketableSecuritiesMember_label_en-US" xlink:label="lab_acb_MarketableSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Marketable Securities [Member] </link:label>
<link:label id="lab_acb_MarketableSecuritiesMember_documentation_en-US" xlink:label="lab_acb_MarketableSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Marketable Securities [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_MarketableSecuritiesMember" xlink:href="acb-20210630.xsd#acb_MarketableSecuritiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_MarketableSecuritiesMember" xlink:to="lab_acb_MarketableSecuritiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExercisePriceRangeOneMember_34ed2a56-b115-4615-873b-642924f27d8c_verboseLabel_en-US" xlink:label="lab_acb_ExercisePriceRangeOneMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Range One </link:label>
<link:label id="lab_acb_ExercisePriceRangeOneMember_label_en-US" xlink:label="lab_acb_ExercisePriceRangeOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Range One [Member] </link:label>
<link:label id="lab_acb_ExercisePriceRangeOneMember_documentation_en-US" xlink:label="lab_acb_ExercisePriceRangeOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Range One [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExercisePriceRangeOneMember" xlink:href="acb-20210630.xsd#acb_ExercisePriceRangeOneMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExercisePriceRangeOneMember" xlink:to="lab_acb_ExercisePriceRangeOneMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NoncurrentFinanceLeaseReceivables_05d0d783-3759-445f-a5f5-a913770150dd_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentFinanceLeaseReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease receivable </link:label>
<link:label id="lab_ifrs-full_NoncurrentFinanceLeaseReceivables_3539b5f0-d37c-42a2-8744-ac397bdbaf1a_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentFinanceLeaseReceivables" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Long-term </link:label>
<link:label id="lab_ifrs-full_NoncurrentFinanceLeaseReceivables_label_en-US" xlink:label="lab_ifrs-full_NoncurrentFinanceLeaseReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current finance lease receivables </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentFinanceLeaseReceivables" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentFinanceLeaseReceivables"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentFinanceLeaseReceivables" xlink:to="lab_ifrs-full_NoncurrentFinanceLeaseReceivables" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GainsLossesOnDisposalsOfInvestments_9fdff605-0cab-4311-8f12-fda2f9b5b1e0_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnDisposalsOfInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain on deemed disposal of significant influence investment </link:label>
<link:label id="lab_ifrs-full_GainsLossesOnDisposalsOfInvestments_332f990b-3792-4b98-a974-9613d54d5796_negatedLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnDisposalsOfInvestments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss on sale of investment </link:label>
<link:label id="lab_ifrs-full_GainsLossesOnDisposalsOfInvestments_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnDisposalsOfInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (losses) on disposals of investments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnDisposalsOfInvestments" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesOnDisposalsOfInvestments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnDisposalsOfInvestments" xlink:to="lab_ifrs-full_GainsLossesOnDisposalsOfInvestments" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory_0e2d87d7-ae79-421f-801d-306add46dd6d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Liabilities Measured at Fair Value </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value measurement of liabilities [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentAssets_5f5e5cd4-a9bc-46ae-b238-7e7d93fc4d48_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current assets </link:label>
<link:label id="lab_ifrs-full_CurrentAssets_fa8d6cb2-ac9b-4734-ab1e-93ab71965663_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current assets </link:label>
<link:label id="lab_ifrs-full_CurrentAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssets" xlink:to="lab_ifrs-full_CurrentAssets" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems_f5e8d21d-3525-420a-b5c3-309ce9338877_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RepaymentsOfCurrentBorrowings_83d109c7-2bf5-4d39-b650-e63a12ac9a9f_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Repayment of short-term loans </link:label>
<link:label id="lab_ifrs-full_RepaymentsOfCurrentBorrowings_label_en-US" xlink:label="lab_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Repayments of current borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RepaymentsOfCurrentBorrowings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:to="lab_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities_8c7943bf-6d3d-41c3-b1f4-568fcc17b22d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest paid </link:label>
<link:label id="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest paid, classified as financing activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis_b54506a2-4001-4282-9730-5518d7722eeb_terseLabel_en-US" xlink:label="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Timing of transfer of goods or services [axis] </link:label>
<link:label id="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis_label_en-US" xlink:label="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Timing of transfer of goods or services [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TimingOfTransferOfGoodsOrServicesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:to="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfSharesReleasedForEarnOutPayments_dd594ffc-b758-4622-8973-137706bfe72b_terseLabel_en-US" xlink:label="lab_acb_NumberOfSharesReleasedForEarnOutPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shares released for earn out payments (in shares) </link:label>
<link:label id="lab_acb_NumberOfSharesReleasedForEarnOutPayments_label_en-US" xlink:label="lab_acb_NumberOfSharesReleasedForEarnOutPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Released For Earn Out Payments </link:label>
<link:label id="lab_acb_NumberOfSharesReleasedForEarnOutPayments_documentation_en-US" xlink:label="lab_acb_NumberOfSharesReleasedForEarnOutPayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Released For Earn Out Payments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfSharesReleasedForEarnOutPayments" xlink:href="acb-20210630.xsd#acb_NumberOfSharesReleasedForEarnOutPayments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfSharesReleasedForEarnOutPayments" xlink:to="lab_acb_NumberOfSharesReleasedForEarnOutPayments" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AdditionsThroughBusinessCombinationsAndOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_8a440a24-9ff6-4332-adb9-507fb8743f4a_terseLabel_en-US" xlink:label="lab_acb_AdditionsThroughBusinessCombinationsAndOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions </link:label>
<link:label id="lab_acb_AdditionsThroughBusinessCombinationsAndOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_acb_AdditionsThroughBusinessCombinationsAndOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions Through Business Combinations And Other Than Through Business Combinations, Intangible Assets Other Than Goodwill </link:label>
<link:label id="lab_acb_AdditionsThroughBusinessCombinationsAndOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill_documentation_en-US" xlink:label="lab_acb_AdditionsThroughBusinessCombinationsAndOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions Through Business Combinations And Other Than Through Business Combinations, Intangible Assets Other Than Goodwill </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AdditionsThroughBusinessCombinationsAndOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:href="acb-20210630.xsd#acb_AdditionsThroughBusinessCombinationsAndOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AdditionsThroughBusinessCombinationsAndOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:to="lab_acb_AdditionsThroughBusinessCombinationsAndOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfSharesHeldByEntity_14603abd-c4fc-4b35-9403-15ab5c4b6954_terseLabel_en-US" xlink:label="lab_acb_NumberOfSharesHeldByEntity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total shareholdings (in shares) </link:label>
<link:label id="lab_acb_NumberOfSharesHeldByEntity_label_en-US" xlink:label="lab_acb_NumberOfSharesHeldByEntity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Held By Entity </link:label>
<link:label id="lab_acb_NumberOfSharesHeldByEntity_documentation_en-US" xlink:label="lab_acb_NumberOfSharesHeldByEntity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Held By Entity </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfSharesHeldByEntity" xlink:href="acb-20210630.xsd#acb_NumberOfSharesHeldByEntity"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfSharesHeldByEntity" xlink:to="lab_acb_NumberOfSharesHeldByEntity" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProfitLossFromDiscontinuedOperations_eff4451b-48ff-4159-afab-16706784b77a_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net loss from discontinued operations, net of tax </link:label>
<link:label id="lab_ifrs-full_ProfitLossFromDiscontinuedOperations_label_en-US" xlink:label="lab_ifrs-full_ProfitLossFromDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (loss) from discontinued operations </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromDiscontinuedOperations" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossFromDiscontinuedOperations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossFromDiscontinuedOperations" xlink:to="lab_ifrs-full_ProfitLossFromDiscontinuedOperations" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ColombiaPropertyMember_984ea8c1-28e8-4713-94c6-2e1536b1fcc7_terseLabel_en-US" xlink:label="lab_acb_ColombiaPropertyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Colombia Property </link:label>
<link:label id="lab_acb_ColombiaPropertyMember_label_en-US" xlink:label="lab_acb_ColombiaPropertyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Colombia Property [Member] </link:label>
<link:label id="lab_acb_ColombiaPropertyMember_documentation_en-US" xlink:label="lab_acb_ColombiaPropertyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Colombia Property </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ColombiaPropertyMember" xlink:href="acb-20210630.xsd#acb_ColombiaPropertyMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ColombiaPropertyMember" xlink:to="lab_acb_ColombiaPropertyMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_f8849f0a-f191-4623-9961-bd16cfb59315_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Types of share-based payment arrangements [axis] </link:label>
<link:label id="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Types of share-based payment arrangements [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:type="arc" order="1"/>
<link:label id="lab_dei_CityAreaCode_a78fb760-7818-440a-997a-832fc281859c_terseLabel_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> City Area Code </link:label>
<link:label id="lab_dei_CityAreaCode_label_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> City Area Code </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_CityAreaCode"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CityAreaCode" xlink:to="lab_dei_CityAreaCode" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForMarketableSecuritiesPolicyTextBlock_b983ba66-0c78-4c03-8250-11d5c0182143_terseLabel_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForMarketableSecuritiesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Marketable Securities </link:label>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForMarketableSecuritiesPolicyTextBlock_label_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForMarketableSecuritiesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description Of Accounting Policy For Marketable Securities [Policy Text Block] </link:label>
<link:label id="lab_acb_DescriptionOfAccountingPolicyForMarketableSecuritiesPolicyTextBlock_documentation_en-US" xlink:label="lab_acb_DescriptionOfAccountingPolicyForMarketableSecuritiesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description Of Accounting Policy For Marketable Securities [Policy Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DescriptionOfAccountingPolicyForMarketableSecuritiesPolicyTextBlock" xlink:href="acb-20210630.xsd#acb_DescriptionOfAccountingPolicyForMarketableSecuritiesPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DescriptionOfAccountingPolicyForMarketableSecuritiesPolicyTextBlock" xlink:to="lab_acb_DescriptionOfAccountingPolicyForMarketableSecuritiesPolicyTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnNetIncome_7b7a21d4-f703-4b4e-8c92-d4856b7b71df_terseLabel_en-US" xlink:label="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnNetIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Change in risk variable, impact on net loss </link:label>
<link:label id="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnNetIncome_label_en-US" xlink:label="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnNetIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact On Net Income </link:label>
<link:label id="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnNetIncome_documentation_en-US" xlink:label="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnNetIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Sensitivity Analysis For Types Of Market Risk, Reasonably Possible Change In Risk Variable, Impact On Net Income </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnNetIncome" xlink:href="acb-20210630.xsd#acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnNetIncome"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnNetIncome" xlink:to="lab_acb_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnNetIncome" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfGovernmentGrantsExplanatory_40fe2fb5-bb6c-4600-857a-8c5ec4b950f8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGovernmentGrantsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Government Grant </link:label>
<link:label id="lab_ifrs-full_DisclosureOfGovernmentGrantsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGovernmentGrantsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of government grants [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGovernmentGrantsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfGovernmentGrantsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGovernmentGrantsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfGovernmentGrantsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_dei_DocumentPeriodEndDate_4799ff27-b94a-4949-85c0-12efa3e1a3a3_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document Period End Date </link:label>
<link:label id="lab_dei_DocumentPeriodEndDate_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document Period End Date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentPeriodEndDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_41e4a14d-fc7c-4e52-8a32-f16bb42e9890_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Segmented Information </link:label>
<link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of entity's operating segments [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AssetAcquisitionAxis_0a1c0398-0665-4fa3-80ac-72d81f9f9370_terseLabel_en-US" xlink:label="lab_acb_AssetAcquisitionAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Asset Acquisition [Axis] </link:label>
<link:label id="lab_acb_AssetAcquisitionAxis_label_en-US" xlink:label="lab_acb_AssetAcquisitionAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Asset Acquisition [Axis] </link:label>
<link:label id="lab_acb_AssetAcquisitionAxis_documentation_en-US" xlink:label="lab_acb_AssetAcquisitionAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Asset Acquisition [Axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AssetAcquisitionAxis" xlink:href="acb-20210630.xsd#acb_AssetAcquisitionAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AssetAcquisitionAxis" xlink:to="lab_acb_AssetAcquisitionAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ProceedsFromGovernmentGrants_dfe4418b-c70c-495f-94b1-9d5eee93994c_terseLabel_en-US" xlink:label="lab_acb_ProceedsFromGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from government grant </link:label>
<link:label id="lab_acb_ProceedsFromGovernmentGrants_label_en-US" xlink:label="lab_acb_ProceedsFromGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds From Government Grants </link:label>
<link:label id="lab_acb_ProceedsFromGovernmentGrants_documentation_en-US" xlink:label="lab_acb_ProceedsFromGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds From Government Grants </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ProceedsFromGovernmentGrants" xlink:href="acb-20210630.xsd#acb_ProceedsFromGovernmentGrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ProceedsFromGovernmentGrants" xlink:to="lab_acb_ProceedsFromGovernmentGrants" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationLineItems_b68c01db-9470-4afa-b972-49ad70fe4339_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of reclassifications or changes in presentation [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of reclassifications or changes in presentation [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationLineItems" xlink:to="lab_ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AssetsAtFairValueLessCostsToSell_415f0455-b3c8-4428-8add-257273d67d9a_terseLabel_en-US" xlink:label="lab_acb_AssetsAtFairValueLessCostsToSell" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair value less costs of disposal </link:label>
<link:label id="lab_acb_AssetsAtFairValueLessCostsToSell_label_en-US" xlink:label="lab_acb_AssetsAtFairValueLessCostsToSell" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Assets, At Fair Value Less Costs To Sell </link:label>
<link:label id="lab_acb_AssetsAtFairValueLessCostsToSell_documentation_en-US" xlink:label="lab_acb_AssetsAtFairValueLessCostsToSell" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Assets, At Fair Value Less Costs To Sell </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AssetsAtFairValueLessCostsToSell" xlink:href="acb-20210630.xsd#acb_AssetsAtFairValueLessCostsToSell"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AssetsAtFairValueLessCostsToSell" xlink:to="lab_acb_AssetsAtFairValueLessCostsToSell" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CashAndCashEquivalents_35c3e3c1-483b-446b-9ce1-7a52e937db5f_terseLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash and cash equivalents </link:label>
<link:label id="lab_ifrs-full_CashAndCashEquivalents_7eb420b2-dc86-48b0-8e74-070698bc7b03_periodStartLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash and cash equivalents, beginning of year </link:label>
<link:label id="lab_ifrs-full_CashAndCashEquivalents_95963f0d-05c9-4b95-8359-a8aea55f0221_periodEndLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash and cash equivalents, end of year </link:label>
<link:label id="lab_ifrs-full_CashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash and cash equivalents </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalents" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashAndCashEquivalents"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalents" xlink:to="lab_ifrs-full_CashAndCashEquivalents" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_UndiscountedFinanceLeasePaymentsToBeReceived_87d3f924-e622-4632-a33c-cacd552d2ef1_terseLabel_en-US" xlink:label="lab_ifrs-full_UndiscountedFinanceLeasePaymentsToBeReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Undiscounted lease payments receivable </link:label>
<link:label id="lab_ifrs-full_UndiscountedFinanceLeasePaymentsToBeReceived_label_en-US" xlink:label="lab_ifrs-full_UndiscountedFinanceLeasePaymentsToBeReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Undiscounted finance lease payments to be received </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UndiscountedFinanceLeasePaymentsToBeReceived" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_UndiscountedFinanceLeasePaymentsToBeReceived"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UndiscountedFinanceLeasePaymentsToBeReceived" xlink:to="lab_ifrs-full_UndiscountedFinanceLeasePaymentsToBeReceived" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsConvertiblePrincipalAmountUsedForConversionRate_dbad3aab-43d0-4e38-84e3-7aac9b832db9_terseLabel_en-US" xlink:label="lab_acb_BorrowingsConvertiblePrincipalAmountUsedForConversionRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Principal amount used for conversion rate </link:label>
<link:label id="lab_acb_BorrowingsConvertiblePrincipalAmountUsedForConversionRate_label_en-US" xlink:label="lab_acb_BorrowingsConvertiblePrincipalAmountUsedForConversionRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Principal Amount Used For Conversion Rate </link:label>
<link:label id="lab_acb_BorrowingsConvertiblePrincipalAmountUsedForConversionRate_documentation_en-US" xlink:label="lab_acb_BorrowingsConvertiblePrincipalAmountUsedForConversionRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Principal Amount Used For Conversion Rate </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsConvertiblePrincipalAmountUsedForConversionRate" xlink:href="acb-20210630.xsd#acb_BorrowingsConvertiblePrincipalAmountUsedForConversionRate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsConvertiblePrincipalAmountUsedForConversionRate" xlink:to="lab_acb_BorrowingsConvertiblePrincipalAmountUsedForConversionRate" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DebenturesAccretion_fe323339-7d9c-48d4-a2ca-ac850abb887c_terseLabel_en-US" xlink:label="lab_acb_DebenturesAccretion" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accretion </link:label>
<link:label id="lab_acb_DebenturesAccretion_label_en-US" xlink:label="lab_acb_DebenturesAccretion" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debentures, Accretion </link:label>
<link:label id="lab_acb_DebenturesAccretion_documentation_en-US" xlink:label="lab_acb_DebenturesAccretion" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debentures, Accretion </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DebenturesAccretion" xlink:href="acb-20210630.xsd#acb_DebenturesAccretion"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DebenturesAccretion" xlink:to="lab_acb_DebenturesAccretion" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_d5709ded-f26d-4654-9393-17502643c574_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investing activities </link:label>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash flows from (used in) investing activities [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_A1769474AlbertaLtd.Member_4657e36f-4249-4313-a71d-c7e60913fd6a_terseLabel_en-US" xlink:label="lab_acb_A1769474AlbertaLtd.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 1769474 Alberta Ltd. (“1769474”) </link:label>
<link:label id="lab_acb_A1769474AlbertaLtd.Member_label_en-US" xlink:label="lab_acb_A1769474AlbertaLtd.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 1769474 Alberta Ltd. [Member] </link:label>
<link:label id="lab_acb_A1769474AlbertaLtd.Member_documentation_en-US" xlink:label="lab_acb_A1769474AlbertaLtd.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> 1769474 Alberta Ltd. [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_A1769474AlbertaLtd.Member" xlink:href="acb-20210630.xsd#acb_A1769474AlbertaLtd.Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_A1769474AlbertaLtd.Member" xlink:to="lab_acb_A1769474AlbertaLtd.Member" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement_914ed996-0551-429c-aa15-08d753b1f2ea_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Vested (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of other equity instruments exercisable in share-based payment arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019_ce69d07f-1c1c-4f69-a08a-0dc92e4a5018_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Remaining Life </link:label>
<link:label id="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average remaining contractual life of outstanding share options </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:to="lab_ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CreditFacilitiesBAndCMember_837710f8-dbe2-4f2d-9d5c-920963a5fb30_terseLabel_en-US" xlink:label="lab_acb_CreditFacilitiesBAndCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit Facilities B and C </link:label>
<link:label id="lab_acb_CreditFacilitiesBAndCMember_label_en-US" xlink:label="lab_acb_CreditFacilitiesBAndCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit Facilities B And C [Member] </link:label>
<link:label id="lab_acb_CreditFacilitiesBAndCMember_documentation_en-US" xlink:label="lab_acb_CreditFacilitiesBAndCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit Facilities B And C [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CreditFacilitiesBAndCMember" xlink:href="acb-20210630.xsd#acb_CreditFacilitiesBAndCMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CreditFacilitiesBAndCMember" xlink:to="lab_acb_CreditFacilitiesBAndCMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory_d54b9454-4ed8-4555-a84f-6e778e3e5826_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Assets Held for Sale and Discontinued Operations </link:label>
<link:label id="lab_ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of non-current assets held for sale and discontinued operations [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CurrentReceivablesFromGovernmentGrants_0124b27c-e338-4c68-a9f8-6bd83b8fc9de_terseLabel_en-US" xlink:label="lab_acb_CurrentReceivablesFromGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Government grant receivable </link:label>
<link:label id="lab_acb_CurrentReceivablesFromGovernmentGrants_label_en-US" xlink:label="lab_acb_CurrentReceivablesFromGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current Receivables From Government Grants </link:label>
<link:label id="lab_acb_CurrentReceivablesFromGovernmentGrants_documentation_en-US" xlink:label="lab_acb_CurrentReceivablesFromGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current Receivables From Government Grants </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CurrentReceivablesFromGovernmentGrants" xlink:href="acb-20210630.xsd#acb_CurrentReceivablesFromGovernmentGrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CurrentReceivablesFromGovernmentGrants" xlink:to="lab_acb_CurrentReceivablesFromGovernmentGrants" xlink:type="arc" order="1"/>
<link:label id="lab_dei_AuditedAnnualFinancialStatements_6950b7a8-1ebf-47a3-87ec-1e7bbe6b3cb3_terseLabel_en-US" xlink:label="lab_dei_AuditedAnnualFinancialStatements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Audited Annual Financial Statements </link:label>
<link:label id="lab_dei_AuditedAnnualFinancialStatements_label_en-US" xlink:label="lab_dei_AuditedAnnualFinancialStatements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Audited Annual Financial Statements </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_AuditedAnnualFinancialStatements" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_AuditedAnnualFinancialStatements"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditedAnnualFinancialStatements" xlink:to="lab_dei_AuditedAnnualFinancialStatements" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsConvertibleForcedConversionPrice_2e31f8c8-c82b-44e1-a2ca-2b3a3b92c68c_terseLabel_en-US" xlink:label="lab_acb_BorrowingsConvertibleForcedConversionPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion, stock price trigger (in CAD per share) </link:label>
<link:label id="lab_acb_BorrowingsConvertibleForcedConversionPrice_label_en-US" xlink:label="lab_acb_BorrowingsConvertibleForcedConversionPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Forced Conversion Price </link:label>
<link:label id="lab_acb_BorrowingsConvertibleForcedConversionPrice_documentation_en-US" xlink:label="lab_acb_BorrowingsConvertibleForcedConversionPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Forced Conversion Price </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsConvertibleForcedConversionPrice" xlink:href="acb-20210630.xsd#acb_BorrowingsConvertibleForcedConversionPrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsConvertibleForcedConversionPrice" xlink:to="lab_acb_BorrowingsConvertibleForcedConversionPrice" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TaxEffectFromChangeInTaxRate_c512cd05-7d3e-4d8c-9749-18992d49b2a4_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxEffectFromChangeInTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Effect of change in tax rates </link:label>
<link:label id="lab_ifrs-full_TaxEffectFromChangeInTaxRate_label_en-US" xlink:label="lab_ifrs-full_TaxEffectFromChangeInTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax effect from change in tax rate </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxEffectFromChangeInTaxRate" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TaxEffectFromChangeInTaxRate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxEffectFromChangeInTaxRate" xlink:to="lab_ifrs-full_TaxEffectFromChangeInTaxRate" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfAnalysisOfOtherGainsLossesTextBlock_fb6604bc-8a15-42bb-aa1c-5b3f0a8eabb5_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfAnalysisOfOtherGainsLossesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Gains (Losses) </link:label>
<link:label id="lab_acb_DisclosureOfAnalysisOfOtherGainsLossesTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfAnalysisOfOtherGainsLossesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Analysis Of Other Gains (Losses) [Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfAnalysisOfOtherGainsLossesTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfAnalysisOfOtherGainsLossesTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Analysis Of Other Gains (Losses) [Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfAnalysisOfOtherGainsLossesTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfAnalysisOfOtherGainsLossesTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfAnalysisOfOtherGainsLossesTextBlock" xlink:to="lab_acb_DisclosureOfAnalysisOfOtherGainsLossesTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BorrowingCostsRecognisedAsExpense_592bf353-afd1-4f53-9ed6-88960fd2a121_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowing costs recognised as expense </link:label>
<link:label id="lab_ifrs-full_BorrowingCostsRecognisedAsExpense_label_en-US" xlink:label="lab_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowing costs recognised as expense </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BorrowingCostsRecognisedAsExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:to="lab_ifrs-full_BorrowingCostsRecognisedAsExpense" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember_8def5bb3-8b8b-4d33-bc96-a02a9cb5cfef_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amortized cost </link:label>
<link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial assets at amortised cost, category [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_35250153-96ee-44ce-af2c-1982b8a6fdd6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of terms and conditions of share-based payment arrangement [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of terms and conditions of share-based payment arrangement [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_fa129490-8753-4f3a-acbf-872a9459ff89_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net Revenue </link:label>
<link:label id="lab_ifrs-full_RevenueFromContractsWithCustomers_label_en-US" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue from contracts with customers </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromContractsWithCustomers" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueFromContractsWithCustomers"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromContractsWithCustomers" xlink:to="lab_ifrs-full_RevenueFromContractsWithCustomers" xlink:type="arc" order="1"/>
<link:label id="lab_acb_Commitments_ac79f9a9-580b-4de6-9179-10c069f20af6_terseLabel_en-US" xlink:label="lab_acb_Commitments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Commitments </link:label>
<link:label id="lab_acb_Commitments_label_en-US" xlink:label="lab_acb_Commitments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Commitments </link:label>
<link:label id="lab_acb_Commitments_documentation_en-US" xlink:label="lab_acb_Commitments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Commitments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_Commitments" xlink:href="acb-20210630.xsd#acb_Commitments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_Commitments" xlink:to="lab_acb_Commitments" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GainsLossesOnDisposalsOfCurrentAssetsHeldForSaleAndPropertyPlantAndEquipment_d05f1079-6b15-465c-8189-179110b89218_negatedLabel_en-US" xlink:label="lab_acb_GainsLossesOnDisposalsOfCurrentAssetsHeldForSaleAndPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss on disposal of assets held for sale and property, plant and equipment </link:label>
<link:label id="lab_acb_GainsLossesOnDisposalsOfCurrentAssetsHeldForSaleAndPropertyPlantAndEquipment_45da7625-40ed-4561-bfaa-800f95da02fd_terseLabel_en-US" xlink:label="lab_acb_GainsLossesOnDisposalsOfCurrentAssetsHeldForSaleAndPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain on disposal of assets held for sale and property, plant and equipment </link:label>
<link:label id="lab_acb_GainsLossesOnDisposalsOfCurrentAssetsHeldForSaleAndPropertyPlantAndEquipment_label_en-US" xlink:label="lab_acb_GainsLossesOnDisposalsOfCurrentAssetsHeldForSaleAndPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (Losses) On Disposals Of Current Assets Held For Sale And Property, Plant And Equipment </link:label>
<link:label id="lab_acb_GainsLossesOnDisposalsOfCurrentAssetsHeldForSaleAndPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_acb_GainsLossesOnDisposalsOfCurrentAssetsHeldForSaleAndPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (Losses) On Disposals Of Current Assets Held For Sale And Property, Plant And Equipment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GainsLossesOnDisposalsOfCurrentAssetsHeldForSaleAndPropertyPlantAndEquipment" xlink:href="acb-20210630.xsd#acb_GainsLossesOnDisposalsOfCurrentAssetsHeldForSaleAndPropertyPlantAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_GainsLossesOnDisposalsOfCurrentAssetsHeldForSaleAndPropertyPlantAndEquipment" xlink:to="lab_acb_GainsLossesOnDisposalsOfCurrentAssetsHeldForSaleAndPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BuildingsImprovementsMember_2851fb9d-233b-42cf-a322-68b5dbc513db_terseLabel_en-US" xlink:label="lab_acb_BuildingsImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Real estate </link:label>
<link:label id="lab_acb_BuildingsImprovementsMember_3985e3a4-8020-49a6-bd88-d0ad88c64df8_verboseLabel_en-US" xlink:label="lab_acb_BuildingsImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Building and improvements </link:label>
<link:label id="lab_acb_BuildingsImprovementsMember_label_en-US" xlink:label="lab_acb_BuildingsImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Buildings & Improvements [Member] </link:label>
<link:label id="lab_acb_BuildingsImprovementsMember_documentation_en-US" xlink:label="lab_acb_BuildingsImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Buildings & Improvements [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BuildingsImprovementsMember" xlink:href="acb-20210630.xsd#acb_BuildingsImprovementsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BuildingsImprovementsMember" xlink:to="lab_acb_BuildingsImprovementsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfSupplementalCashFlowInformationTextBlock_3e9bdc3f-f8c5-4b94-b37b-cfdd505848ed_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfSupplementalCashFlowInformationTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Supplemental Cash Flow Information </link:label>
<link:label id="lab_acb_DisclosureOfSupplementalCashFlowInformationTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfSupplementalCashFlowInformationTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Supplemental Cash Flow Information [Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfSupplementalCashFlowInformationTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfSupplementalCashFlowInformationTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Supplemental Cash Flow Information [Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfSupplementalCashFlowInformationTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfSupplementalCashFlowInformationTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfSupplementalCashFlowInformationTextBlock" xlink:to="lab_acb_DisclosureOfSupplementalCashFlowInformationTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory_fffe84bb-51a1-4fd3-ab62-a31dfc362c45_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capital Management </link:label>
<link:label id="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of objectives, policies and processes for managing capital [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:to="lab_ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NetInvestmentInFinanceLease_0ee94bc8-24cb-4fbe-a682-aa50377e2ea9_totalLabel_en-US" xlink:label="lab_ifrs-full_NetInvestmentInFinanceLease" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total lease receivable </link:label>
<link:label id="lab_ifrs-full_NetInvestmentInFinanceLease_label_en-US" xlink:label="lab_ifrs-full_NetInvestmentInFinanceLease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net investment in finance lease </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetInvestmentInFinanceLease" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NetInvestmentInFinanceLease"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetInvestmentInFinanceLease" xlink:to="lab_ifrs-full_NetInvestmentInFinanceLease" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ResearchAndDevelopmentExpense_f052a7bf-f5d2-4ece-8b07-2a8496ffd2cc_terseLabel_en-US" xlink:label="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Research and development </link:label>
<link:label id="lab_ifrs-full_ResearchAndDevelopmentExpense_label_en-US" xlink:label="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Research and development expense </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ResearchAndDevelopmentExpense" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ResearchAndDevelopmentExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ResearchAndDevelopmentExpense" xlink:to="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:type="arc" order="1"/>
<link:label id="lab_acb_KeyManagementPersonnelCompensationPayableOrAccrued_1efcb9d5-0cb8-49cd-9268-1b3577f8dc67_verboseLabel_en-US" xlink:label="lab_acb_KeyManagementPersonnelCompensationPayableOrAccrued" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accrued or payable management compensation </link:label>
<link:label id="lab_acb_KeyManagementPersonnelCompensationPayableOrAccrued_label_en-US" xlink:label="lab_acb_KeyManagementPersonnelCompensationPayableOrAccrued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Key Management Personnel Compensation, Payable Or Accrued </link:label>
<link:label id="lab_acb_KeyManagementPersonnelCompensationPayableOrAccrued_documentation_en-US" xlink:label="lab_acb_KeyManagementPersonnelCompensationPayableOrAccrued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Key Management Personnel Compensation, Payable Or Accrued </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_KeyManagementPersonnelCompensationPayableOrAccrued" xlink:href="acb-20210630.xsd#acb_KeyManagementPersonnelCompensationPayableOrAccrued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_KeyManagementPersonnelCompensationPayableOrAccrued" xlink:to="lab_acb_KeyManagementPersonnelCompensationPayableOrAccrued" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets_61794799-0002-447c-8d7e-c240c70316f8_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Changes in fair value less cost to sell due to biological transformation </link:label>
<link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (losses) on fair value adjustment attributable to physical changes, biological assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets" xlink:to="lab_ifrs-full_GainsLossesOnFairValueAdjustmentAttributableToPhysicalChangesBiologicalAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AverageSellingPricePerGramMeasurementInputMember_a81b6c5c-eb1d-4641-8863-497d2e8903a4_terseLabel_en-US" xlink:label="lab_acb_AverageSellingPricePerGramMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Average selling price per gram </link:label>
<link:label id="lab_acb_AverageSellingPricePerGramMeasurementInputMember_label_en-US" xlink:label="lab_acb_AverageSellingPricePerGramMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Average Selling Price Per Gram, Measurement Input [Member] </link:label>
<link:label id="lab_acb_AverageSellingPricePerGramMeasurementInputMember_documentation_en-US" xlink:label="lab_acb_AverageSellingPricePerGramMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Average Selling Price Per Gram, Measurement Input [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AverageSellingPricePerGramMeasurementInputMember" xlink:href="acb-20210630.xsd#acb_AverageSellingPricePerGramMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AverageSellingPricePerGramMeasurementInputMember" xlink:to="lab_acb_AverageSellingPricePerGramMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesTable_41031fc7-aa6c-4128-b5a0-03ef5a2e9e6a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of significant unobservable inputs used in fair value measurement of liabilities [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of significant unobservable inputs used in fair value measurement of liabilities [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesTable" xlink:to="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesTable" xlink:type="arc" order="1"/>
<link:label id="lab_acb_PaymentsForLegalSettlements_9eab02da-1691-4c29-9ef2-679df3885e53_terseLabel_en-US" xlink:label="lab_acb_PaymentsForLegalSettlements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payments for legal settlement </link:label>
<link:label id="lab_acb_PaymentsForLegalSettlements_label_en-US" xlink:label="lab_acb_PaymentsForLegalSettlements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payments For Legal Settlements </link:label>
<link:label id="lab_acb_PaymentsForLegalSettlements_documentation_en-US" xlink:label="lab_acb_PaymentsForLegalSettlements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payments For Legal Settlements </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PaymentsForLegalSettlements" xlink:href="acb-20210630.xsd#acb_PaymentsForLegalSettlements"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_PaymentsForLegalSettlements" xlink:to="lab_acb_PaymentsForLegalSettlements" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LeaseExpenseRecognizedInIncomeLoss_3db987bc-d39a-4a1c-a26f-1208a73b6957_terseLabel_en-US" xlink:label="lab_acb_LeaseExpenseRecognizedInIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Rent expense </link:label>
<link:label id="lab_acb_LeaseExpenseRecognizedInIncomeLoss_label_en-US" xlink:label="lab_acb_LeaseExpenseRecognizedInIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease Expense, Recognized In Income (Loss) </link:label>
<link:label id="lab_acb_LeaseExpenseRecognizedInIncomeLoss_documentation_en-US" xlink:label="lab_acb_LeaseExpenseRecognizedInIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease Expense, Recognized In Income (Loss) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LeaseExpenseRecognizedInIncomeLoss" xlink:href="acb-20210630.xsd#acb_LeaseExpenseRecognizedInIncomeLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LeaseExpenseRecognizedInIncomeLoss" xlink:to="lab_acb_LeaseExpenseRecognizedInIncomeLoss" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_58835a0f-b140-4374-9c8b-13718ebb61b2_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of disaggregation of revenue from contracts with customers [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of disaggregation of revenue from contracts with customers [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ComputerEquipmentMember_b6f8d1e1-eb42-4fcf-ac0e-a22ba56a1c14_terseLabel_en-US" xlink:label="lab_ifrs-full_ComputerEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Computer software & equipment </link:label>
<link:label id="lab_ifrs-full_ComputerEquipmentMember_label_en-US" xlink:label="lab_ifrs-full_ComputerEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Computer equipment [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComputerEquipmentMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComputerEquipmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComputerEquipmentMember" xlink:to="lab_ifrs-full_ComputerEquipmentMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred_c3429b8d-99b9-497a-94a7-813ec0b26520_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total consideration paid </link:label>
<link:label id="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred_4dd23b11-009a-453b-8f9a-44b9520465ad_totalLabel_en-US" xlink:label="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total consideration paid </link:label>
<link:label id="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred_63e1391a-f8d8-4e85-908d-5576cc132c56_verboseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Consideration transferred </link:label>
<link:label id="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred_label_en-US" xlink:label="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Consideration transferred, acquisition-date fair value </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:to="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RangeAxis_86e121dc-f5c0-4e8e-a4b3-be6718025ce1_terseLabel_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Range [axis] </link:label>
<link:label id="lab_ifrs-full_RangeAxis_label_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Range [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangeAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RangeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangeAxis" xlink:to="lab_ifrs-full_RangeAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_514515a4-d9a0-41d9-bc4b-a1c84ab6030a_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Over 4 years to 5 years </link:label>
<link:label id="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Later than four years and not later than five years [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsExtinguishedNumberOfSharesReceived_e6d8e413-6413-4f1b-8520-140f7ed473f2_terseLabel_en-US" xlink:label="lab_acb_BorrowingsExtinguishedNumberOfSharesReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of shares received upon extinguishment (in shares) </link:label>
<link:label id="lab_acb_BorrowingsExtinguishedNumberOfSharesReceived_label_en-US" xlink:label="lab_acb_BorrowingsExtinguishedNumberOfSharesReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Extinguished, Number Of Shares Received </link:label>
<link:label id="lab_acb_BorrowingsExtinguishedNumberOfSharesReceived_documentation_en-US" xlink:label="lab_acb_BorrowingsExtinguishedNumberOfSharesReceived" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Extinguished, Number Of Shares Received </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsExtinguishedNumberOfSharesReceived" xlink:href="acb-20210630.xsd#acb_BorrowingsExtinguishedNumberOfSharesReceived"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsExtinguishedNumberOfSharesReceived" xlink:to="lab_acb_BorrowingsExtinguishedNumberOfSharesReceived" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncreaseDecreaseThroughDiscontinuedOperationsDeferredTaxLiabilityAsset_b329ae44-d9f9-4a1b-baab-2cf3fc18e9e5_negatedTerseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughDiscontinuedOperationsDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Discontinued operations </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughDiscontinuedOperationsDeferredTaxLiabilityAsset_label_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughDiscontinuedOperationsDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Discontinued Operations, Deferred Tax Liability (Asset) </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughDiscontinuedOperationsDeferredTaxLiabilityAsset_documentation_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughDiscontinuedOperationsDeferredTaxLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Discontinued Operations, Deferred Tax Liability (Asset) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseDecreaseThroughDiscontinuedOperationsDeferredTaxLiabilityAsset" xlink:href="acb-20210630.xsd#acb_IncreaseDecreaseThroughDiscontinuedOperationsDeferredTaxLiabilityAsset"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncreaseDecreaseThroughDiscontinuedOperationsDeferredTaxLiabilityAsset" xlink:to="lab_acb_IncreaseDecreaseThroughDiscontinuedOperationsDeferredTaxLiabilityAsset" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GrossProfitBeforeFairValueAdjustments_adf578bc-c9aa-4944-be98-db26ebbbbc31_totalLabel_en-US" xlink:label="lab_acb_GrossProfitBeforeFairValueAdjustments" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross (loss) profit before fair value adjustments </link:label>
<link:label id="lab_acb_GrossProfitBeforeFairValueAdjustments_8625be95-2dd3-49cf-9388-fb2ae934eb4f_terseLabel_en-US" xlink:label="lab_acb_GrossProfitBeforeFairValueAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross profit (loss) before fair value adjustments </link:label>
<link:label id="lab_acb_GrossProfitBeforeFairValueAdjustments_label_en-US" xlink:label="lab_acb_GrossProfitBeforeFairValueAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross Profit Before Fair Value Adjustments </link:label>
<link:label id="lab_acb_GrossProfitBeforeFairValueAdjustments_documentation_en-US" xlink:label="lab_acb_GrossProfitBeforeFairValueAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross Profit Before Fair Value Adjustments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GrossProfitBeforeFairValueAdjustments" xlink:href="acb-20210630.xsd#acb_GrossProfitBeforeFairValueAdjustments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_GrossProfitBeforeFairValueAdjustments" xlink:to="lab_acb_GrossProfitBeforeFairValueAdjustments" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NoncurrentassetsheldforsaleanddiscontinuedoperationsAbstract_15ae85e4-b072-429e-870d-22e094d4db7a_terseLabel_en-US" xlink:label="lab_acb_NoncurrentassetsheldforsaleanddiscontinuedoperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current assets held for sale and discontinued operations [Abstract] </link:label>
<link:label id="lab_acb_NoncurrentassetsheldforsaleanddiscontinuedoperationsAbstract_label_en-US" xlink:label="lab_acb_NoncurrentassetsheldforsaleanddiscontinuedoperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current assets held for sale and discontinued operations [Abstract] </link:label>
<link:label id="lab_acb_NoncurrentassetsheldforsaleanddiscontinuedoperationsAbstract_documentation_en-US" xlink:label="lab_acb_NoncurrentassetsheldforsaleanddiscontinuedoperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current assets held for sale and discontinued operations [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NoncurrentassetsheldforsaleanddiscontinuedoperationsAbstract" xlink:href="acb-20210630.xsd#acb_NoncurrentassetsheldforsaleanddiscontinuedoperationsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NoncurrentassetsheldforsaleanddiscontinuedoperationsAbstract" xlink:to="lab_acb_NoncurrentassetsheldforsaleanddiscontinuedoperationsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_UnrealizedGainLossOnFinancialLiabilities_0e824710-3aec-4ddf-83fa-8cb79b73585f_terseLabel_en-US" xlink:label="lab_acb_UnrealizedGainLossOnFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized loss (gain) on derivative liability </link:label>
<link:label id="lab_acb_UnrealizedGainLossOnFinancialLiabilities_label_en-US" xlink:label="lab_acb_UnrealizedGainLossOnFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized (Gain) Loss on Financial Liabilities </link:label>
<link:label id="lab_acb_UnrealizedGainLossOnFinancialLiabilities_documentation_en-US" xlink:label="lab_acb_UnrealizedGainLossOnFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized (Gain) Loss on Financial Liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_UnrealizedGainLossOnFinancialLiabilities" xlink:href="acb-20210630.xsd#acb_UnrealizedGainLossOnFinancialLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_UnrealizedGainLossOnFinancialLiabilities" xlink:to="lab_acb_UnrealizedGainLossOnFinancialLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsNumberOfInstrumentsHeld_a4788a74-705c-4b01-b208-02b24909aa40_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsNumberOfInstrumentsHeld" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of instruments held </link:label>
<link:label id="lab_acb_FinancialAssetsNumberOfInstrumentsHeld_label_en-US" xlink:label="lab_acb_FinancialAssetsNumberOfInstrumentsHeld" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Number Of Instruments Held </link:label>
<link:label id="lab_acb_FinancialAssetsNumberOfInstrumentsHeld_documentation_en-US" xlink:label="lab_acb_FinancialAssetsNumberOfInstrumentsHeld" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Number Of Instruments Held </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsNumberOfInstrumentsHeld" xlink:href="acb-20210630.xsd#acb_FinancialAssetsNumberOfInstrumentsHeld"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsNumberOfInstrumentsHeld" xlink:to="lab_acb_FinancialAssetsNumberOfInstrumentsHeld" xlink:type="arc" order="1"/>
<link:label id="lab_acb_SalesWorkforceReductionMember_39052371-ba4e-4845-bcab-a7a99edeba2f_terseLabel_en-US" xlink:label="lab_acb_SalesWorkforceReductionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Workforce Reduction </link:label>
<link:label id="lab_acb_SalesWorkforceReductionMember_label_en-US" xlink:label="lab_acb_SalesWorkforceReductionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Sales Workforce Reduction [Member] </link:label>
<link:label id="lab_acb_SalesWorkforceReductionMember_documentation_en-US" xlink:label="lab_acb_SalesWorkforceReductionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Sales Workforce Reduction </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_SalesWorkforceReductionMember" xlink:href="acb-20210630.xsd#acb_SalesWorkforceReductionMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_SalesWorkforceReductionMember" xlink:to="lab_acb_SalesWorkforceReductionMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CapitalLeaseObligationsRelatedTemporaryDifferencesMember_83d614ce-388b-4b7d-bde3-80db85622a49_terseLabel_en-US" xlink:label="lab_acb_CapitalLeaseObligationsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capital lease obligations </link:label>
<link:label id="lab_acb_CapitalLeaseObligationsRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_acb_CapitalLeaseObligationsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capital Lease Obligations Related Temporary Differences [Member] </link:label>
<link:label id="lab_acb_CapitalLeaseObligationsRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_acb_CapitalLeaseObligationsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capital Lease Obligations Related Temporary Differences [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CapitalLeaseObligationsRelatedTemporaryDifferencesMember" xlink:href="acb-20210630.xsd#acb_CapitalLeaseObligationsRelatedTemporaryDifferencesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CapitalLeaseObligationsRelatedTemporaryDifferencesMember" xlink:to="lab_acb_CapitalLeaseObligationsRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AccrualsClassifiedAsCurrent_f6c96b66-cbcd-4db2-9fe5-3a406c9483de_terseLabel_en-US" xlink:label="lab_ifrs-full_AccrualsClassifiedAsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accrued liabilities </link:label>
<link:label id="lab_ifrs-full_AccrualsClassifiedAsCurrent_label_en-US" xlink:label="lab_ifrs-full_AccrualsClassifiedAsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accruals classified as current </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccrualsClassifiedAsCurrent" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AccrualsClassifiedAsCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccrualsClassifiedAsCurrent" xlink:to="lab_ifrs-full_AccrualsClassifiedAsCurrent" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CashAdvancedForLoansReceivable_b256af2f-5a13-460a-957b-62370d85b8b1_negatedTerseLabel_en-US" xlink:label="lab_acb_CashAdvancedForLoansReceivable" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loan receivable </link:label>
<link:label id="lab_acb_CashAdvancedForLoansReceivable_label_en-US" xlink:label="lab_acb_CashAdvancedForLoansReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash Advanced For Loans Receivable </link:label>
<link:label id="lab_acb_CashAdvancedForLoansReceivable_documentation_en-US" xlink:label="lab_acb_CashAdvancedForLoansReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash Advanced For Loans Receivable </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CashAdvancedForLoansReceivable" xlink:href="acb-20210630.xsd#acb_CashAdvancedForLoansReceivable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CashAdvancedForLoansReceivable" xlink:to="lab_acb_CashAdvancedForLoansReceivable" xlink:type="arc" order="1"/>
<link:label id="lab_acb_JanuaryUnitOfferingMember_d27d0087-a3d3-4883-9de9-135559081e5d_terseLabel_en-US" xlink:label="lab_acb_JanuaryUnitOfferingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> January Unit Offering </link:label>
<link:label id="lab_acb_JanuaryUnitOfferingMember_label_en-US" xlink:label="lab_acb_JanuaryUnitOfferingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> January Unit Offering [Member] </link:label>
<link:label id="lab_acb_JanuaryUnitOfferingMember_documentation_en-US" xlink:label="lab_acb_JanuaryUnitOfferingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> January Unit Offering </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_JanuaryUnitOfferingMember" xlink:href="acb-20210630.xsd#acb_JanuaryUnitOfferingMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_JanuaryUnitOfferingMember" xlink:to="lab_acb_JanuaryUnitOfferingMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_WeightedAverageYieldPerPlantMeasurementInputMember_5403e436-fb30-461b-9630-895f88d487c8_terseLabel_en-US" xlink:label="lab_acb_WeightedAverageYieldPerPlantMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average yield (grams per plant) </link:label>
<link:label id="lab_acb_WeightedAverageYieldPerPlantMeasurementInputMember_label_en-US" xlink:label="lab_acb_WeightedAverageYieldPerPlantMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Yield Per Plant, Measurement Input [Member] </link:label>
<link:label id="lab_acb_WeightedAverageYieldPerPlantMeasurementInputMember_documentation_en-US" xlink:label="lab_acb_WeightedAverageYieldPerPlantMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Yield Per Plant, Measurement Input [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_WeightedAverageYieldPerPlantMeasurementInputMember" xlink:href="acb-20210630.xsd#acb_WeightedAverageYieldPerPlantMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_WeightedAverageYieldPerPlantMeasurementInputMember" xlink:to="lab_acb_WeightedAverageYieldPerPlantMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ProfitLossOfAcquireePostAcquisitionDate_8ded62c9-0903-477f-ba0a-9d37354c36f1_terseLabel_en-US" xlink:label="lab_acb_ProfitLossOfAcquireePostAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net income of acquiree since acquisition date </link:label>
<link:label id="lab_acb_ProfitLossOfAcquireePostAcquisitionDate_label_en-US" xlink:label="lab_acb_ProfitLossOfAcquireePostAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (Loss) Of Acquiree Post Acquisition Date </link:label>
<link:label id="lab_acb_ProfitLossOfAcquireePostAcquisitionDate_documentation_en-US" xlink:label="lab_acb_ProfitLossOfAcquireePostAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (Loss) Of Acquiree Post Acquisition Date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ProfitLossOfAcquireePostAcquisitionDate" xlink:href="acb-20210630.xsd#acb_ProfitLossOfAcquireePostAcquisitionDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ProfitLossOfAcquireePostAcquisitionDate" xlink:to="lab_acb_ProfitLossOfAcquireePostAcquisitionDate" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BiologicalAssetsMember_c1394f42-7320-459c-89b8-368563ce379b_terseLabel_en-US" xlink:label="lab_ifrs-full_BiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Biological Assets </link:label>
<link:label id="lab_ifrs-full_BiologicalAssetsMember_label_en-US" xlink:label="lab_ifrs-full_BiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Biological assets [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BiologicalAssetsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BiologicalAssetsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BiologicalAssetsMember" xlink:to="lab_ifrs-full_BiologicalAssetsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RiskFreeInterestRateOtherEquityInstrumentsGranted_4f2f4057-b043-4bf8-87bf-5405d27de20d_terseLabel_en-US" xlink:label="lab_acb_RiskFreeInterestRateOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Risk-free annual interest rate </link:label>
<link:label id="lab_acb_RiskFreeInterestRateOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_acb_RiskFreeInterestRateOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Risk Free Interest Rate, Other Equity Instruments Granted </link:label>
<link:label id="lab_acb_RiskFreeInterestRateOtherEquityInstrumentsGranted_documentation_en-US" xlink:label="lab_acb_RiskFreeInterestRateOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Risk Free Interest Rate, Other Equity Instruments Granted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RiskFreeInterestRateOtherEquityInstrumentsGranted" xlink:href="acb-20210630.xsd#acb_RiskFreeInterestRateOtherEquityInstrumentsGranted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RiskFreeInterestRateOtherEquityInstrumentsGranted" xlink:to="lab_acb_RiskFreeInterestRateOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RepaymentsOfNoncurrentBorrowings_4fc110be-afa5-42be-92e2-c832b0349d22_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Repayment of long-term loans </link:label>
<link:label id="lab_ifrs-full_RepaymentsOfNoncurrentBorrowings_2da077e8-1d99-4691-843a-da5113a90113_terseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Repayment of long-term loans </link:label>
<link:label id="lab_ifrs-full_RepaymentsOfNoncurrentBorrowings_label_en-US" xlink:label="lab_ifrs-full_RepaymentsOfNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Repayments of non-current borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfNoncurrentBorrowings" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RepaymentsOfNoncurrentBorrowings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfNoncurrentBorrowings" xlink:to="lab_ifrs-full_RepaymentsOfNoncurrentBorrowings" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_9283781d-abe8-48e1-9019-13a018658cce_terseLabel_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Effect of foreign exchange on cash and cash equivalents </link:label>
<link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Effect of exchange rate changes on cash and cash equivalents </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:to="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InvestorRightsAgreementNominationofaDirectorRequiredOwnershipPercentage_00e46058-60e9-4b04-b9c1-272dc7e8c68c_terseLabel_en-US" xlink:label="lab_acb_InvestorRightsAgreementNominationofaDirectorRequiredOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investor rights agreement, milestone options, nomination of a director, required entity ownership percentage </link:label>
<link:label id="lab_acb_InvestorRightsAgreementNominationofaDirectorRequiredOwnershipPercentage_label_en-US" xlink:label="lab_acb_InvestorRightsAgreementNominationofaDirectorRequiredOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investor Rights Agreement, Nomination of a Director, Required Ownership Percentage </link:label>
<link:label id="lab_acb_InvestorRightsAgreementNominationofaDirectorRequiredOwnershipPercentage_documentation_en-US" xlink:label="lab_acb_InvestorRightsAgreementNominationofaDirectorRequiredOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investor Rights Agreement, Nomination of a Director, Required Ownership Percentage </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InvestorRightsAgreementNominationofaDirectorRequiredOwnershipPercentage" xlink:href="acb-20210630.xsd#acb_InvestorRightsAgreementNominationofaDirectorRequiredOwnershipPercentage"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InvestorRightsAgreementNominationofaDirectorRequiredOwnershipPercentage" xlink:to="lab_acb_InvestorRightsAgreementNominationofaDirectorRequiredOwnershipPercentage" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_EarningsPerShareAbstract_1244f601-16d4-49b2-9b59-e1d23e474050_terseLabel_en-US" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Earnings per share [abstract] </link:label>
<link:label id="lab_ifrs-full_EarningsPerShareAbstract_label_en-US" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Earnings per share [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EarningsPerShareAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EarningsPerShareAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareAbstract" xlink:to="lab_ifrs-full_EarningsPerShareAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OperatingExpense_a6654ee1-80fc-47d0-a4ad-f650a9db2073_totalLabel_en-US" xlink:label="lab_ifrs-full_OperatingExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total </link:label>
<link:label id="lab_ifrs-full_OperatingExpense_label_en-US" xlink:label="lab_ifrs-full_OperatingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Operating expense </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingExpense" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OperatingExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingExpense" xlink:to="lab_ifrs-full_OperatingExpense" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LeaseLiabilityRollForward_ade52a92-dce8-44df-b52c-b3f41db7c864_terseLabel_en-US" xlink:label="lab_acb_LeaseLiabilityRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease Liability [Roll Forward] </link:label>
<link:label id="lab_acb_LeaseLiabilityRollForward_label_en-US" xlink:label="lab_acb_LeaseLiabilityRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease Liability [Roll Forward] </link:label>
<link:label id="lab_acb_LeaseLiabilityRollForward_documentation_en-US" xlink:label="lab_acb_LeaseLiabilityRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease Liability [Roll Forward] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LeaseLiabilityRollForward" xlink:href="acb-20210630.xsd#acb_LeaseLiabilityRollForward"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LeaseLiabilityRollForward" xlink:to="lab_acb_LeaseLiabilityRollForward" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OperatingsegmentsAbstract_10ab58e9-7864-4706-893c-483e143a84fd_terseLabel_en-US" xlink:label="lab_acb_OperatingsegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Operating segments [Abstract] </link:label>
<link:label id="lab_acb_OperatingsegmentsAbstract_label_en-US" xlink:label="lab_acb_OperatingsegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Operating segments [Abstract] </link:label>
<link:label id="lab_acb_OperatingsegmentsAbstract_documentation_en-US" xlink:label="lab_acb_OperatingsegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Operating segments [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OperatingsegmentsAbstract" xlink:href="acb-20210630.xsd#acb_OperatingsegmentsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OperatingsegmentsAbstract" xlink:to="lab_acb_OperatingsegmentsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationTable_5b546342-eddf-4094-a65c-3e47d5a22bdc_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of reclassifications or changes in presentation [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of reclassifications or changes in presentation [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationTable" xlink:to="lab_ifrs-full_DisclosureOfReclassificationsOrChangesInPresentationTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NoncurrentLoansAndReceivables_9ab9eac6-fa02-4ec4-989a-3f6ae898f275_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentLoansAndReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loan receivable </link:label>
<link:label id="lab_ifrs-full_NoncurrentLoansAndReceivables_label_en-US" xlink:label="lab_ifrs-full_NoncurrentLoansAndReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current loans and receivables </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentLoansAndReceivables" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentLoansAndReceivables"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLoansAndReceivables" xlink:to="lab_ifrs-full_NoncurrentLoansAndReceivables" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsRedemptionPricePercentageofPrincipalAmountRedeemed_3a43fedf-c848-477f-a9e0-f56fab660a89_terseLabel_en-US" xlink:label="lab_acb_BorrowingsRedemptionPricePercentageofPrincipalAmountRedeemed" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Redemption percentage of principal amount </link:label>
<link:label id="lab_acb_BorrowingsRedemptionPricePercentageofPrincipalAmountRedeemed_label_en-US" xlink:label="lab_acb_BorrowingsRedemptionPricePercentageofPrincipalAmountRedeemed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Redemption Price, Percentage of Principal Amount Redeemed </link:label>
<link:label id="lab_acb_BorrowingsRedemptionPricePercentageofPrincipalAmountRedeemed_documentation_en-US" xlink:label="lab_acb_BorrowingsRedemptionPricePercentageofPrincipalAmountRedeemed" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Redemption Price, Percentage of Principal Amount Redeemed </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsRedemptionPricePercentageofPrincipalAmountRedeemed" xlink:href="acb-20210630.xsd#acb_BorrowingsRedemptionPricePercentageofPrincipalAmountRedeemed"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsRedemptionPricePercentageofPrincipalAmountRedeemed" xlink:to="lab_acb_BorrowingsRedemptionPricePercentageofPrincipalAmountRedeemed" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentRestrictedCashAndCashEquivalents_914d8d0d-5626-4167-977c-252eb6d8c923_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentRestrictedCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restricted cash </link:label>
<link:label id="lab_ifrs-full_CurrentRestrictedCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_CurrentRestrictedCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current restricted cash and cash equivalents </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentRestrictedCashAndCashEquivalents" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentRestrictedCashAndCashEquivalents"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentRestrictedCashAndCashEquivalents" xlink:to="lab_ifrs-full_CurrentRestrictedCashAndCashEquivalents" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityInteractiveDataCurrent_0684810b-07f2-4139-a63b-eb445f838b51_terseLabel_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Interactive Data Current </link:label>
<link:label id="lab_dei_EntityInteractiveDataCurrent_label_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity Interactive Data Current </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityInteractiveDataCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInteractiveDataCurrent" xlink:to="lab_dei_EntityInteractiveDataCurrent" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RevenueGrowthRateMeasurementInputMember_e9787bcd-35f9-4e4b-84f2-a2d7fae79a8b_terseLabel_en-US" xlink:label="lab_acb_RevenueGrowthRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Budgeted revenue growth rate </link:label>
<link:label id="lab_acb_RevenueGrowthRateMeasurementInputMember_label_en-US" xlink:label="lab_acb_RevenueGrowthRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue Growth Rate, Measurement Input [Member] </link:label>
<link:label id="lab_acb_RevenueGrowthRateMeasurementInputMember_documentation_en-US" xlink:label="lab_acb_RevenueGrowthRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue Growth Rate, Measurement Input [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RevenueGrowthRateMeasurementInputMember" xlink:href="acb-20210630.xsd#acb_RevenueGrowthRateMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RevenueGrowthRateMeasurementInputMember" xlink:to="lab_acb_RevenueGrowthRateMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OutputOfAgriculturalProduceEstimatedYieldWhenUnharvestedProduceIsHarvested_a9fb85a7-9956-46a2-a4c8-aeb2b73800ab_terseLabel_en-US" xlink:label="lab_acb_OutputOfAgriculturalProduceEstimatedYieldWhenUnharvestedProduceIsHarvested" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected yield when harvested (in grams) </link:label>
<link:label id="lab_acb_OutputOfAgriculturalProduceEstimatedYieldWhenUnharvestedProduceIsHarvested_label_en-US" xlink:label="lab_acb_OutputOfAgriculturalProduceEstimatedYieldWhenUnharvestedProduceIsHarvested" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Output Of Agricultural Produce, Estimated Yield When Unharvested Produce Is Harvested </link:label>
<link:label id="lab_acb_OutputOfAgriculturalProduceEstimatedYieldWhenUnharvestedProduceIsHarvested_documentation_en-US" xlink:label="lab_acb_OutputOfAgriculturalProduceEstimatedYieldWhenUnharvestedProduceIsHarvested" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Output Of Agricultural Produce, Estimated Yield When Unharvested Produce Is Harvested </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OutputOfAgriculturalProduceEstimatedYieldWhenUnharvestedProduceIsHarvested" xlink:href="acb-20210630.xsd#acb_OutputOfAgriculturalProduceEstimatedYieldWhenUnharvestedProduceIsHarvested"/>
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<link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember_4c18467e-ffad-4dee-bccb-85c29ed811df_terseLabel_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Temporary difference, unused tax losses and unused tax credits [member] </link:label>
<link:label id="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember_label_en-US" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Temporary difference, unused tax losses and unused tax credits [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:to="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_dca24310-1498-4425-9724-bdd601e0d9be_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Marketable Securities and Derivatives </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_c3d44143-a645-4dea-a000-7aea700383b1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Debentures </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of financial instruments [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfFinancialInstrumentsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_StatementOfCashFlowsAbstract_97ae1593-597e-476d-a104-85325999168c_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of cash flows [abstract] </link:label>
<link:label id="lab_ifrs-full_StatementOfCashFlowsAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of cash flows [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfCashFlowsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsAmountOfInstrumentsPurchased_7327e873-7a46-4a90-a6d2-bc1e7058dbed_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsAmountOfInstrumentsPurchased" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial assets, amount of instruments purchased </link:label>
<link:label id="lab_acb_FinancialAssetsAmountOfInstrumentsPurchased_label_en-US" xlink:label="lab_acb_FinancialAssetsAmountOfInstrumentsPurchased" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Amount Of Instruments Purchased </link:label>
<link:label id="lab_acb_FinancialAssetsAmountOfInstrumentsPurchased_documentation_en-US" xlink:label="lab_acb_FinancialAssetsAmountOfInstrumentsPurchased" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Amount Of Instruments Purchased </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsAmountOfInstrumentsPurchased" xlink:href="acb-20210630.xsd#acb_FinancialAssetsAmountOfInstrumentsPurchased"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsAmountOfInstrumentsPurchased" xlink:to="lab_acb_FinancialAssetsAmountOfInstrumentsPurchased" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RestrictedBackInRightWarrantsMember_d8626f4a-a024-4ed5-8436-12102241c977_terseLabel_en-US" xlink:label="lab_acb_RestrictedBackInRightWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restricted Back-In Right Warrants </link:label>
<link:label id="lab_acb_RestrictedBackInRightWarrantsMember_label_en-US" xlink:label="lab_acb_RestrictedBackInRightWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restricted Back-In Right Warrants [Member] </link:label>
<link:label id="lab_acb_RestrictedBackInRightWarrantsMember_documentation_en-US" xlink:label="lab_acb_RestrictedBackInRightWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restricted Back-In Right Warrants [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RestrictedBackInRightWarrantsMember" xlink:href="acb-20210630.xsd#acb_RestrictedBackInRightWarrantsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RestrictedBackInRightWarrantsMember" xlink:to="lab_acb_RestrictedBackInRightWarrantsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OtherprovisionscontingentliabilitiesandcontingentassetsAbstract_020a6731-7b1f-4739-80ed-92a1d231e80d_terseLabel_en-US" xlink:label="lab_acb_OtherprovisionscontingentliabilitiesandcontingentassetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other provisions, contingent liabilities and contingent assets [Abstract] </link:label>
<link:label id="lab_acb_OtherprovisionscontingentliabilitiesandcontingentassetsAbstract_label_en-US" xlink:label="lab_acb_OtherprovisionscontingentliabilitiesandcontingentassetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other provisions, contingent liabilities and contingent assets [Abstract] </link:label>
<link:label id="lab_acb_OtherprovisionscontingentliabilitiesandcontingentassetsAbstract_documentation_en-US" xlink:label="lab_acb_OtherprovisionscontingentliabilitiesandcontingentassetsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other provisions, contingent liabilities and contingent assets [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OtherprovisionscontingentliabilitiesandcontingentassetsAbstract" xlink:href="acb-20210630.xsd#acb_OtherprovisionscontingentliabilitiesandcontingentassetsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OtherprovisionscontingentliabilitiesandcontingentassetsAbstract" xlink:to="lab_acb_OtherprovisionscontingentliabilitiesandcontingentassetsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NonCapitalLossRelatedTemporaryDifferencesMember_391e42dc-c074-4dfc-b888-40ad7f4f727a_terseLabel_en-US" xlink:label="lab_acb_NonCapitalLossRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-capital losses carried forward </link:label>
<link:label id="lab_acb_NonCapitalLossRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_acb_NonCapitalLossRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-Capital Loss Related Temporary Differences [Member] </link:label>
<link:label id="lab_acb_NonCapitalLossRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_acb_NonCapitalLossRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-Capital Loss Related Temporary Differences [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NonCapitalLossRelatedTemporaryDifferencesMember" xlink:href="acb-20210630.xsd#acb_NonCapitalLossRelatedTemporaryDifferencesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NonCapitalLossRelatedTemporaryDifferencesMember" xlink:to="lab_acb_NonCapitalLossRelatedTemporaryDifferencesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfCreditRiskExplanatory_44499348-6969-46f4-a74a-c69bc9ccb0b1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Schedule of Aging of Receivables </link:label>
<link:label id="lab_ifrs-full_DisclosureOfCreditRiskExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of credit risk [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfCreditRiskExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCreditRiskExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates_095a5737-6d73-4d1b-87b0-dd014ae56fef_terseLabel_en-US" xlink:label="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments in associates and joint ventures </link:label>
<link:label id="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates_0f218918-c572-4f25-bf22-a1d30f9c529a_periodStartLabel_en-US" xlink:label="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Carrying value of investment, beginning balance </link:label>
<link:label id="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates_5f10641f-a283-408d-b165-3ecfbd910e33_periodEndLabel_en-US" xlink:label="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Carrying value of investment, ending balance </link:label>
<link:label id="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates_label_en-US" xlink:label="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments in subsidiaries, joint ventures and associates </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates"/>
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<link:label id="lab_ifrs-full_SettlementsFairValueMeasurementLiabilities_5168c2c6-5882-47c0-af39-dd60d078e8d8_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_SettlementsFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payments </link:label>
<link:label id="lab_ifrs-full_SettlementsFairValueMeasurementLiabilities_label_en-US" xlink:label="lab_ifrs-full_SettlementsFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Settlements, fair value measurement, liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SettlementsFairValueMeasurementLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SettlementsFairValueMeasurementLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SettlementsFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_SettlementsFairValueMeasurementLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_7a367d92-4271-4be7-9ffa-905262226a88_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected stock price volatility </link:label>
<link:label id="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected volatility, share options granted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:to="lab_ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DepreciationPropertyPlantAndEquipment_8ae6ec78-ffbf-4037-b61c-f55c7dee9214_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Depreciation </link:label>
<link:label id="lab_ifrs-full_DepreciationPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Depreciation, property, plant and equipment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DepreciationPropertyPlantAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory_0bf07ff0-ba9b-4a7e-ab24-427709de7142_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Taxes </link:label>
<link:label id="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of income tax [text block] </link:label>
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<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019_c2f45e65-0b14-41de-a11c-e47cf0847175_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Issued (in CAD per share) </link:label>
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<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average exercise price of other equity instruments granted in share-based payment arrangement </link:label>
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<link:label id="lab_ifrs-full_ProceedsFromContributionsOfNoncontrollingInterests_7450313d-fc10-42e7-be11-544eb47fc0ac_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromContributionsOfNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Capital contribution from non-controlling interest </link:label>
<link:label id="lab_ifrs-full_ProceedsFromContributionsOfNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromContributionsOfNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from contributions of non-controlling interests </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromContributionsOfNoncontrollingInterests" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromContributionsOfNoncontrollingInterests"/>
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<link:label id="lab_acb_ExercisePriceOfOutstandingWarrants_87a9d046-18fc-4ebe-be5e-0901bd569b21_terseLabel_en-US" xlink:label="lab_acb_ExercisePriceOfOutstandingWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise price of outstanding warrants (in dollars per share) </link:label>
<link:label id="lab_acb_ExercisePriceOfOutstandingWarrants_label_en-US" xlink:label="lab_acb_ExercisePriceOfOutstandingWarrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Of Outstanding Warrants </link:label>
<link:label id="lab_acb_ExercisePriceOfOutstandingWarrants_documentation_en-US" xlink:label="lab_acb_ExercisePriceOfOutstandingWarrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise Price Of Outstanding Warrants </link:label>
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<link:label id="lab_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_33281c36-77ce-4c25-847c-b5f827661000_terseLabel_en-US" xlink:label="lab_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Statement, Balance Sheet And Additional Disclosures By Disposal Groups, Including Discontinued Operations [Axis] </link:label>
<link:label id="lab_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_label_en-US" xlink:label="lab_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Statement, Balance Sheet And Additional Disclosures By Disposal Groups, Including Discontinued Operations [Axis] </link:label>
<link:label id="lab_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_documentation_en-US" xlink:label="lab_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Statement, Balance Sheet And Additional Disclosures By Disposal Groups, Including Discontinued Operations [Axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:href="acb-20210630.xsd#acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
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<link:label id="lab_acb_NumberOfSharesUnderChangeInOwnershipInterestsInSubsidiaries_f24f4353-2625-4138-8736-dbc2a08927f7_terseLabel_en-US" xlink:label="lab_acb_NumberOfSharesUnderChangeInOwnershipInterestsInSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Change in ownership interests in subsidiaries (in shares) </link:label>
<link:label id="lab_acb_NumberOfSharesUnderChangeInOwnershipInterestsInSubsidiaries_label_en-US" xlink:label="lab_acb_NumberOfSharesUnderChangeInOwnershipInterestsInSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Under Change In Ownership Interests In Subsidiaries </link:label>
<link:label id="lab_acb_NumberOfSharesUnderChangeInOwnershipInterestsInSubsidiaries_documentation_en-US" xlink:label="lab_acb_NumberOfSharesUnderChangeInOwnershipInterestsInSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Under Change In Ownership Interests In Subsidiaries </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfSharesUnderChangeInOwnershipInterestsInSubsidiaries" xlink:href="acb-20210630.xsd#acb_NumberOfSharesUnderChangeInOwnershipInterestsInSubsidiaries"/>
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<link:label id="lab_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesMember_5f177742-eb20-4d1a-aaed-76c32f10a455_terseLabel_en-US" xlink:label="lab_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges of Exercise Prices for Other Equity Instruments Outstanding Shares [Member] </link:label>
<link:label id="lab_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesMember_label_en-US" xlink:label="lab_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges of Exercise Prices for Other Equity Instruments Outstanding Shares [Member] </link:label>
<link:label id="lab_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesMember_documentation_en-US" xlink:label="lab_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges of Exercise Prices for Other Equity Instruments Outstanding Shares </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesMember" xlink:href="acb-20210630.xsd#acb_RangesOfExercisePricesForOtherEquityInstrumentsOutstandingSharesMember"/>
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<link:label id="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract_af876fb4-0c91-4055-8c14-2bff89587a74_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total consideration </link:label>
<link:label id="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract_label_en-US" xlink:label="lab_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition-date fair value of total consideration transferred [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract"/>
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<link:label id="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity_e51c3454-4d1c-41e1-af92-69bf1d246216_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net loss attributable to Aurora shareholders </link:label>
<link:label id="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (loss), attributable to ordinary equity holders of parent entity </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity"/>
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<link:label id="lab_ifrs-full_UnobservableInputsMember_99838281-fcf2-411b-81be-492b06b689ca_terseLabel_en-US" xlink:label="lab_ifrs-full_UnobservableInputsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unobservable inputs [member] </link:label>
<link:label id="lab_ifrs-full_UnobservableInputsMember_label_en-US" xlink:label="lab_ifrs-full_UnobservableInputsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unobservable inputs [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnobservableInputsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_UnobservableInputsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnobservableInputsMember" xlink:to="lab_ifrs-full_UnobservableInputsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DerivativeLiabilityMember_d9fe7e05-7601-4b0f-a980-e2bd1b41d1fe_terseLabel_en-US" xlink:label="lab_acb_DerivativeLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivative liability </link:label>
<link:label id="lab_acb_DerivativeLiabilityMember_947926bb-5caa-4cbf-90cc-38668cb851a1_verboseLabel_en-US" xlink:label="lab_acb_DerivativeLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivative liability </link:label>
<link:label id="lab_acb_DerivativeLiabilityMember_label_en-US" xlink:label="lab_acb_DerivativeLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivative Liability [Member] </link:label>
<link:label id="lab_acb_DerivativeLiabilityMember_documentation_en-US" xlink:label="lab_acb_DerivativeLiabilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivative Liability [Member] </link:label>
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<link:label id="lab_ifrs-full_GoodsOrServicesTransferredOverTimeMember_c4d82dc1-4f72-4c9a-a51b-16177895bb83_terseLabel_en-US" xlink:label="lab_ifrs-full_GoodsOrServicesTransferredOverTimeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Over-time </link:label>
<link:label id="lab_ifrs-full_GoodsOrServicesTransferredOverTimeMember_label_en-US" xlink:label="lab_ifrs-full_GoodsOrServicesTransferredOverTimeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goods or services transferred over time [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GoodsOrServicesTransferredOverTimeMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GoodsOrServicesTransferredOverTimeMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GoodsOrServicesTransferredOverTimeMember" xlink:to="lab_ifrs-full_GoodsOrServicesTransferredOverTimeMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GreenOrganicDutchmanHoldingsLtd.Member_54c6e847-b586-4d75-aad3-0bff7394a8a5_terseLabel_en-US" xlink:label="lab_acb_GreenOrganicDutchmanHoldingsLtd.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> TGOD </link:label>
<link:label id="lab_acb_GreenOrganicDutchmanHoldingsLtd.Member_label_en-US" xlink:label="lab_acb_GreenOrganicDutchmanHoldingsLtd.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Green Organic Dutchman Holdings Ltd. [Member] </link:label>
<link:label id="lab_acb_GreenOrganicDutchmanHoldingsLtd.Member_documentation_en-US" xlink:label="lab_acb_GreenOrganicDutchmanHoldingsLtd.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Green Organic Dutchman Holdings Ltd. [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GreenOrganicDutchmanHoldingsLtd.Member" xlink:href="acb-20210630.xsd#acb_GreenOrganicDutchmanHoldingsLtd.Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_GreenOrganicDutchmanHoldingsLtd.Member" xlink:to="lab_acb_GreenOrganicDutchmanHoldingsLtd.Member" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProceedsFromIssuingShares_61c3378c-be38-484b-a04e-af1c471394c3_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssuingShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shares issued for cash, net of share issue costs </link:label>
<link:label id="lab_ifrs-full_ProceedsFromIssuingShares_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssuingShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from issuing shares </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromIssuingShares" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromIssuingShares"/>
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<link:label id="lab_acb_ComprehensiveIncomeExcludingCertainAmountsThroughProfitOrLoss_63bc72e6-36db-4581-b034-fb30edb330dc_verboseLabel_en-US" xlink:label="lab_acb_ComprehensiveIncomeExcludingCertainAmountsThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Comprehensive income (loss) for the period </link:label>
<link:label id="lab_acb_ComprehensiveIncomeExcludingCertainAmountsThroughProfitOrLoss_label_en-US" xlink:label="lab_acb_ComprehensiveIncomeExcludingCertainAmountsThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Comprehensive Income, Excluding Certain Amounts Through Profit Or Loss </link:label>
<link:label id="lab_acb_ComprehensiveIncomeExcludingCertainAmountsThroughProfitOrLoss_documentation_en-US" xlink:label="lab_acb_ComprehensiveIncomeExcludingCertainAmountsThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Comprehensive Income, Excluding Certain Amounts Through Profit Or Loss </link:label>
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<link:label id="lab_ifrs-full_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory_298a2007-a440-4461-bb6d-edab2c5af68d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Significant Accounting Policies and Judgments </link:label>
<link:label id="lab_ifrs-full_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of significant accounting policies [text block] </link:label>
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<link:label id="lab_acb_LegalProceedingsContingentLiabilityClaimOfBreachOfObligationsUnderTermSheetMember_4091b60b-f959-48a7-95cd-62666ae9d190_terseLabel_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClaimOfBreachOfObligationsUnderTermSheetMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Claim of breach of obligations under term sheet </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityClaimOfBreachOfObligationsUnderTermSheetMember_label_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClaimOfBreachOfObligationsUnderTermSheetMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Claim Of Breach Of Obligations Under Term Sheet [Member] </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityClaimOfBreachOfObligationsUnderTermSheetMember_documentation_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClaimOfBreachOfObligationsUnderTermSheetMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Claim Of Breach Of Obligations Under Term Sheet [Member] </link:label>
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<link:label id="lab_ifrs-full_CurrentMaterialsAndSuppliesToBeConsumedInProductionProcessOrRenderingServices_ff4dddb8-9d54-458f-9735-df028bdeb2b5_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentMaterialsAndSuppliesToBeConsumedInProductionProcessOrRenderingServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Supplies and consumables </link:label>
<link:label id="lab_ifrs-full_CurrentMaterialsAndSuppliesToBeConsumedInProductionProcessOrRenderingServices_label_en-US" xlink:label="lab_ifrs-full_CurrentMaterialsAndSuppliesToBeConsumedInProductionProcessOrRenderingServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current materials and supplies to be consumed in production process or rendering services </link:label>
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<link:label id="lab_ifrs-full_ProfitLossFromContinuingOperations_f32d6649-33a1-4bbb-9d06-a1954fee6824_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net loss from continuing operations </link:label>
<link:label id="lab_ifrs-full_ProfitLossFromContinuingOperations_7b1fb299-1a7e-47e9-8606-7cee785dd0fc_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net loss from continuing operations </link:label>
<link:label id="lab_ifrs-full_ProfitLossFromContinuingOperations_cf8891fd-3775-4492-bae2-a77be1d12f48_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss from continued operations </link:label>
<link:label id="lab_ifrs-full_ProfitLossFromContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_ProfitLossFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (loss) from continuing operations </link:label>
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<link:label id="lab_acb_NumberOfWarrantsExpired_a5fade1c-7f84-4c13-83cd-1a941c6e84d5_negatedTerseLabel_en-US" xlink:label="lab_acb_NumberOfWarrantsExpired" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants, expired (in shares) </link:label>
<link:label id="lab_acb_NumberOfWarrantsExpired_label_en-US" xlink:label="lab_acb_NumberOfWarrantsExpired" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Expired </link:label>
<link:label id="lab_acb_NumberOfWarrantsExpired_documentation_en-US" xlink:label="lab_acb_NumberOfWarrantsExpired" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Expired </link:label>
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<link:label id="lab_ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember_91d050e9-2c33-46ae-abb8-27557e4b4b03_terseLabel_en-US" xlink:label="lab_ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments in equity instruments designated at fair value through other comprehensive income [member] </link:label>
<link:label id="lab_ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember_label_en-US" xlink:label="lab_ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments in equity instruments designated at fair value through other comprehensive income [member] </link:label>
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<link:label id="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity_ec861e4e-f512-46d8-8e18-0f478e1ab9c8_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net loss from continuing operations attributable to Aurora shareholders </link:label>
<link:label id="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity_label_en-US" xlink:label="lab_ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Profit (loss) from continuing operations attributable to ordinary equity holders of parent entity </link:label>
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<link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember_a028317b-929c-4b64-ab49-dbcb0c6856c6_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivatives and convertible debentures at FVTPL </link:label>
<link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember_df1abe5b-f57f-4497-b5c7-6c8bb2d5db85_verboseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> FVTPL </link:label>
<link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial assets at fair value through profit or loss, category [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember"/>
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<link:label id="lab_acb_NumberOfSharesIssuedForBusinessCombinationsAssetAcquisitionsAndStrategicInvestments_78e4da1b-0341-46d6-b628-e0677a09b9ca_terseLabel_en-US" xlink:label="lab_acb_NumberOfSharesIssuedForBusinessCombinationsAssetAcquisitionsAndStrategicInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of shares issued (in shares) </link:label>
<link:label id="lab_acb_NumberOfSharesIssuedForBusinessCombinationsAssetAcquisitionsAndStrategicInvestments_label_en-US" xlink:label="lab_acb_NumberOfSharesIssuedForBusinessCombinationsAssetAcquisitionsAndStrategicInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Issued For Business Combinations, Asset Acquisitions And Strategic Investments </link:label>
<link:label id="lab_acb_NumberOfSharesIssuedForBusinessCombinationsAssetAcquisitionsAndStrategicInvestments_documentation_en-US" xlink:label="lab_acb_NumberOfSharesIssuedForBusinessCombinationsAssetAcquisitionsAndStrategicInvestments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Issued For Business Combinations, Asset Acquisitions And Strategic Investments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfSharesIssuedForBusinessCombinationsAssetAcquisitionsAndStrategicInvestments" xlink:href="acb-20210630.xsd#acb_NumberOfSharesIssuedForBusinessCombinationsAssetAcquisitionsAndStrategicInvestments"/>
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<link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems_495174e8-e55b-45c6-9857-3adbf340d00d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of reconciliation of changes in intangible assets and goodwill [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of reconciliation of changes in intangible assets and goodwill [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems"/>
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<link:label id="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesMember_40c8664d-bad7-43a2-8d19-5077b83ae04a_terseLabel_en-US" xlink:label="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Timing of transfer of goods or services [member] </link:label>
<link:label id="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesMember_label_en-US" xlink:label="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Timing of transfer of goods or services [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TimingOfTransferOfGoodsOrServicesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TimingOfTransferOfGoodsOrServicesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TimingOfTransferOfGoodsOrServicesMember" xlink:to="lab_ifrs-full_TimingOfTransferOfGoodsOrServicesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ServicesReceivedServicesAndAdvisoryRelatedPartyTransactions_0569b70a-925c-4276-95d2-83e79f85f420_terseLabel_en-US" xlink:label="lab_acb_ServicesReceivedServicesAndAdvisoryRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Services and advisory fees </link:label>
<link:label id="lab_acb_ServicesReceivedServicesAndAdvisoryRelatedPartyTransactions_label_en-US" xlink:label="lab_acb_ServicesReceivedServicesAndAdvisoryRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Services Received, Services And Advisory, Related Party Transactions </link:label>
<link:label id="lab_acb_ServicesReceivedServicesAndAdvisoryRelatedPartyTransactions_documentation_en-US" xlink:label="lab_acb_ServicesReceivedServicesAndAdvisoryRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Services Received, Services And Advisory, Related Party Transactions </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ServicesReceivedServicesAndAdvisoryRelatedPartyTransactions" xlink:to="lab_acb_ServicesReceivedServicesAndAdvisoryRelatedPartyTransactions" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxAssetsMember_ac68f4ea-5fb1-4f82-9c3a-8426a7a95cbc_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total deferred tax assets </link:label>
<link:label id="lab_acb_DeferredTaxAssetsMember_label_en-US" xlink:label="lab_acb_DeferredTaxAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets [Member] </link:label>
<link:label id="lab_acb_DeferredTaxAssetsMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets [Member] </link:label>
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<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxAssetsMember" xlink:to="lab_acb_DeferredTaxAssetsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RevenueNetOfExciseTaxes_35fd7a8a-2944-439d-abda-87bcacb7d58f_terseLabel_en-US" xlink:label="lab_acb_RevenueNetOfExciseTaxes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net revenue </link:label>
<link:label id="lab_acb_RevenueNetOfExciseTaxes_label_en-US" xlink:label="lab_acb_RevenueNetOfExciseTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue, Net Of Excise Taxes </link:label>
<link:label id="lab_acb_RevenueNetOfExciseTaxes_documentation_en-US" xlink:label="lab_acb_RevenueNetOfExciseTaxes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue, Net Of Excise Taxes </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RevenueNetOfExciseTaxes" xlink:href="acb-20210630.xsd#acb_RevenueNetOfExciseTaxes"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RevenueNetOfExciseTaxes" xlink:to="lab_acb_RevenueNetOfExciseTaxes" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_MergerReserveMember_0b18f66f-b616-4fdc-b67d-7a1d7d842336_terseLabel_en-US" xlink:label="lab_ifrs-full_MergerReserveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Change in Ownership Interest </link:label>
<link:label id="lab_ifrs-full_MergerReserveMember_label_en-US" xlink:label="lab_ifrs-full_MergerReserveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Merger reserve [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MergerReserveMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_MergerReserveMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MergerReserveMember" xlink:to="lab_ifrs-full_MergerReserveMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AgricultureAbstract_96675e12-e347-4bc0-98d9-b8d2ab68e415_terseLabel_en-US" xlink:label="lab_acb_AgricultureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Agriculture [Abstract] </link:label>
<link:label id="lab_acb_AgricultureAbstract_label_en-US" xlink:label="lab_acb_AgricultureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Agriculture [Abstract] </link:label>
<link:label id="lab_acb_AgricultureAbstract_documentation_en-US" xlink:label="lab_acb_AgricultureAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Agriculture [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AgricultureAbstract" xlink:href="acb-20210630.xsd#acb_AgricultureAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AgricultureAbstract" xlink:to="lab_acb_AgricultureAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ClassBPreferenceSharesMember_fddd444f-00df-42a2-9d26-976881b03564_terseLabel_en-US" xlink:label="lab_acb_ClassBPreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Class B Preference Shares </link:label>
<link:label id="lab_acb_ClassBPreferenceSharesMember_label_en-US" xlink:label="lab_acb_ClassBPreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Class B Preference Shares [Member] </link:label>
<link:label id="lab_acb_ClassBPreferenceSharesMember_documentation_en-US" xlink:label="lab_acb_ClassBPreferenceSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Class B Preference Shares [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ClassBPreferenceSharesMember" xlink:href="acb-20210630.xsd#acb_ClassBPreferenceSharesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ClassBPreferenceSharesMember" xlink:to="lab_acb_ClassBPreferenceSharesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsRedemptionPeriodOneMember_148c4409-126b-414b-9d12-eb6498977fba_terseLabel_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> On and after February 28, 2022 and prior to February 28, 2024 </link:label>
<link:label id="lab_acb_BorrowingsRedemptionPeriodOneMember_label_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Redemption, Period One [Member] </link:label>
<link:label id="lab_acb_BorrowingsRedemptionPeriodOneMember_documentation_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Redemption, Period One [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsRedemptionPeriodOneMember" xlink:href="acb-20210630.xsd#acb_BorrowingsRedemptionPeriodOneMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsRedemptionPeriodOneMember" xlink:to="lab_acb_BorrowingsRedemptionPeriodOneMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_TerminalGrowthRateMeasurementInputMember_8ed38b16-d561-40c1-8a11-667d681df60a_terseLabel_en-US" xlink:label="lab_acb_TerminalGrowthRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Terminal value growth rate </link:label>
<link:label id="lab_acb_TerminalGrowthRateMeasurementInputMember_label_en-US" xlink:label="lab_acb_TerminalGrowthRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Terminal Growth Rate, Measurement Input [Member] </link:label>
<link:label id="lab_acb_TerminalGrowthRateMeasurementInputMember_documentation_en-US" xlink:label="lab_acb_TerminalGrowthRateMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Terminal Growth Rate, Measurement Input [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TerminalGrowthRateMeasurementInputMember" xlink:href="acb-20210630.xsd#acb_TerminalGrowthRateMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_TerminalGrowthRateMeasurementInputMember" xlink:to="lab_acb_TerminalGrowthRateMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfSharesInEscrowToBeReleasedUponAchievementOfMilestone_6a341a9a-95b7-4cce-89e2-d4c42487b408_terseLabel_en-US" xlink:label="lab_acb_NumberOfSharesInEscrowToBeReleasedUponAchievementOfMilestone" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of shares in escrow </link:label>
<link:label id="lab_acb_NumberOfSharesInEscrowToBeReleasedUponAchievementOfMilestone_label_en-US" xlink:label="lab_acb_NumberOfSharesInEscrowToBeReleasedUponAchievementOfMilestone" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares In Escrow To Be Released Upon Achievement Of Milestone </link:label>
<link:label id="lab_acb_NumberOfSharesInEscrowToBeReleasedUponAchievementOfMilestone_documentation_en-US" xlink:label="lab_acb_NumberOfSharesInEscrowToBeReleasedUponAchievementOfMilestone" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares In Escrow To Be Released Upon Achievement Of Milestone </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfSharesInEscrowToBeReleasedUponAchievementOfMilestone" xlink:href="acb-20210630.xsd#acb_NumberOfSharesInEscrowToBeReleasedUponAchievementOfMilestone"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfSharesInEscrowToBeReleasedUponAchievementOfMilestone" xlink:to="lab_acb_NumberOfSharesInEscrowToBeReleasedUponAchievementOfMilestone" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentDerivativeFinancialAssets_2dc20119-364f-488a-85fb-250f132fed79_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivatives </link:label>
<link:label id="lab_ifrs-full_CurrentDerivativeFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current derivative financial assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentDerivativeFinancialAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentDerivativeFinancialAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentDerivativeFinancialAssets" xlink:to="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExciseTaxesMember_d9f592e7-dfae-4fb9-b98b-de85ad546350_terseLabel_en-US" xlink:label="lab_acb_ExciseTaxesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Excise taxes </link:label>
<link:label id="lab_acb_ExciseTaxesMember_label_en-US" xlink:label="lab_acb_ExciseTaxesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Excise Taxes [Member] </link:label>
<link:label id="lab_acb_ExciseTaxesMember_documentation_en-US" xlink:label="lab_acb_ExciseTaxesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Excise Taxes [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExciseTaxesMember" xlink:href="acb-20210630.xsd#acb_ExciseTaxesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExciseTaxesMember" xlink:to="lab_acb_ExciseTaxesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DividendAsPercentageOtherEquityInstrumentsGranted_4def0dcb-4899-42d6-adae-f5a66f10d1e5_terseLabel_en-US" xlink:label="lab_acb_DividendAsPercentageOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Dividend yield </link:label>
<link:label id="lab_acb_DividendAsPercentageOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_acb_DividendAsPercentageOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Dividend As Percentage, Other Equity Instruments Granted </link:label>
<link:label id="lab_acb_DividendAsPercentageOtherEquityInstrumentsGranted_documentation_en-US" xlink:label="lab_acb_DividendAsPercentageOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Dividend As Percentage, Other Equity Instruments Granted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DividendAsPercentageOtherEquityInstrumentsGranted" xlink:href="acb-20210630.xsd#acb_DividendAsPercentageOtherEquityInstrumentsGranted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DividendAsPercentageOtherEquityInstrumentsGranted" xlink:to="lab_acb_DividendAsPercentageOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RecastedMember_47a95437-c88a-4e71-a170-f71c6a868fe1_terseLabel_en-US" xlink:label="lab_acb_RecastedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Recasted </link:label>
<link:label id="lab_acb_RecastedMember_label_en-US" xlink:label="lab_acb_RecastedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Recasted [Member] </link:label>
<link:label id="lab_acb_RecastedMember_documentation_en-US" xlink:label="lab_acb_RecastedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Recasted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RecastedMember" xlink:href="acb-20210630.xsd#acb_RecastedMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RecastedMember" xlink:to="lab_acb_RecastedMember" xlink:type="arc" order="1"/>
<link:label id="lab_dei_EntityFileNumber_8bf5df10-5fc2-4061-ba99-912ed503d254_terseLabel_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity File Number </link:label>
<link:label id="lab_dei_EntityFileNumber_label_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity File Number </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityFileNumber"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFileNumber" xlink:to="lab_dei_EntityFileNumber" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RevenueFromRenderingOfServices_b7f5b359-993e-4f26-8962-0995d074821b_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromRenderingOfServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue from provision of services </link:label>
<link:label id="lab_ifrs-full_RevenueFromRenderingOfServices_label_en-US" xlink:label="lab_ifrs-full_RevenueFromRenderingOfServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue from rendering of services </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromRenderingOfServices" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueFromRenderingOfServices"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromRenderingOfServices" xlink:to="lab_ifrs-full_RevenueFromRenderingOfServices" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_82811844-075b-4f4d-82cd-00b25811ca0c_totalLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total management compensation </link:label>
<link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Key management personnel compensation </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_KeyManagementPersonnelCompensation"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_FinishedGoods_b223cb26-3c55-4acf-bc8c-eb88503a9d3d_terseLabel_en-US" xlink:label="lab_ifrs-full_FinishedGoods" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Finished goods </link:label>
<link:label id="lab_ifrs-full_FinishedGoods_label_en-US" xlink:label="lab_ifrs-full_FinishedGoods" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current finished goods </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinishedGoods" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinishedGoods"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinishedGoods" xlink:to="lab_ifrs-full_FinishedGoods" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncreaseDecreaseThroughSharesIssuedForEquityFinancings_ba0082b8-6678-4d9b-b9e0-dc3d31894fac_terseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughSharesIssuedForEquityFinancings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shares issued through equity financing </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughSharesIssuedForEquityFinancings_label_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughSharesIssuedForEquityFinancings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Shares Issued For Equity Financings </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughSharesIssuedForEquityFinancings_documentation_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughSharesIssuedForEquityFinancings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Shares Issued For Equity Financings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseDecreaseThroughSharesIssuedForEquityFinancings" xlink:href="acb-20210630.xsd#acb_IncreaseDecreaseThroughSharesIssuedForEquityFinancings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncreaseDecreaseThroughSharesIssuedForEquityFinancings" xlink:to="lab_acb_IncreaseDecreaseThroughSharesIssuedForEquityFinancings" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_EquityAbstract_da70c70c-fe83-41e6-b3cf-a5b1cd525dce_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shareholders’ equity </link:label>
<link:label id="lab_ifrs-full_EquityAbstract_label_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Equity [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAbstract" xlink:to="lab_ifrs-full_EquityAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_900a1c38-639a-4352-a595-d560d6293db5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share-Based Compensation </link:label>
<link:label id="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of share-based payment arrangements [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ReclassifiedItemsAxis_4b72b85e-4ce2-4622-96cc-4a33135a0d2b_terseLabel_en-US" xlink:label="lab_ifrs-full_ReclassifiedItemsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reclassified items [axis] </link:label>
<link:label id="lab_ifrs-full_ReclassifiedItemsAxis_label_en-US" xlink:label="lab_ifrs-full_ReclassifiedItemsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reclassified items [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReclassifiedItemsAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ReclassifiedItemsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReclassifiedItemsAxis" xlink:to="lab_ifrs-full_ReclassifiedItemsAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsCovenantThresholdAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment_3bd75769-2d6f-43e6-a740-192d7fd7c5c6_terseLabel_en-US" xlink:label="lab_acb_BorrowingsCovenantThresholdAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Threshold amount of net proceeds from sale of facilities to be used for repayment </link:label>
<link:label id="lab_acb_BorrowingsCovenantThresholdAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment_label_en-US" xlink:label="lab_acb_BorrowingsCovenantThresholdAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Threshold Amount Of Net Proceeds From Sale Of Facilities To Be Used For Repayment </link:label>
<link:label id="lab_acb_BorrowingsCovenantThresholdAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment_documentation_en-US" xlink:label="lab_acb_BorrowingsCovenantThresholdAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Threshold Amount Of Net Proceeds From Sale Of Facilities To Be Used For Repayment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsCovenantThresholdAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:href="acb-20210630.xsd#acb_BorrowingsCovenantThresholdAmountOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment"/>
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<link:label id="lab_acb_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipmentReclassification_eddde9d2-c48f-440e-9857-76e248168e97_negatedTerseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipmentReclassification" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reclassification of property, plant and equipment </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipmentReclassification_label_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipmentReclassification" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Other Changes, Property, Plant And Equipment, Reclassification </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipmentReclassification_documentation_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipmentReclassification" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Other Changes, Property, Plant And Equipment, Reclassification </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipmentReclassification" xlink:href="acb-20210630.xsd#acb_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipmentReclassification"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipmentReclassification" xlink:to="lab_acb_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipmentReclassification" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsTable_5bc9efaf-2b2f-40ec-969d-4d1b64dd6e8c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of financial assets [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of financial assets [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfFinancialAssetsTable"/>
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<link:label id="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_9d7f3733-9544-400a-8fb4-5fb758ea1770_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Options Exercisable (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_label_en-US" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of share options exercisable in share-based payment arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_29663ce3-eb56-4ca5-84e0-bfbfd6e827fe_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disposal of property, plant and equipment </link:label>
<link:label id="lab_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_cc3cae09-22d2-44e5-8534-3e948675ba50_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from sale </link:label>
<link:label id="lab_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from sales of property, plant and equipment, classified as investing activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>
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<link:label id="lab_ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember_42945e78-df87-4645-a946-74d1a2a805fa_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible Notes </link:label>
<link:label id="lab_ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reserve of equity component of convertible instruments [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember" xlink:to="lab_ifrs-full_ReserveOfEquityComponentOfConvertibleInstrumentsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss_387bcee5-9b0d-4403-9c67-ef0255b12353_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-deductible expenses </link:label>
<link:label id="lab_ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss_label_en-US" xlink:label="lab_ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax effect of expense not deductible in determining taxable profit (tax loss) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss"/>
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<link:label id="lab_acb_SharesIssuedNumberOfAcquisitions_62a7b49c-7309-4ce5-8bc4-9a79e8e0bca5_terseLabel_en-US" xlink:label="lab_acb_SharesIssuedNumberOfAcquisitions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of acquisitions </link:label>
<link:label id="lab_acb_SharesIssuedNumberOfAcquisitions_label_en-US" xlink:label="lab_acb_SharesIssuedNumberOfAcquisitions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shares Issued, Number Of Acquisitions </link:label>
<link:label id="lab_acb_SharesIssuedNumberOfAcquisitions_documentation_en-US" xlink:label="lab_acb_SharesIssuedNumberOfAcquisitions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shares Issued, Number Of Acquisitions </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_SharesIssuedNumberOfAcquisitions" xlink:href="acb-20210630.xsd#acb_SharesIssuedNumberOfAcquisitions"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_SharesIssuedNumberOfAcquisitions" xlink:to="lab_acb_SharesIssuedNumberOfAcquisitions" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_3d498cbc-a8ae-4f19-b95a-48f252411a90_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible Assets and Goodwill </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for intangible assets and goodwill [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory"/>
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<link:label id="lab_acb_InvestmentTaxCreditsRelatedTemporaryDifferencesMember_2b1a036c-6cbc-42d6-8518-eebb26efd2d5_terseLabel_en-US" xlink:label="lab_acb_InvestmentTaxCreditsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investment tax credits </link:label>
<link:label id="lab_acb_InvestmentTaxCreditsRelatedTemporaryDifferencesMember_label_en-US" xlink:label="lab_acb_InvestmentTaxCreditsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investment Tax Credits Related Temporary Differences [Member] </link:label>
<link:label id="lab_acb_InvestmentTaxCreditsRelatedTemporaryDifferencesMember_documentation_en-US" xlink:label="lab_acb_InvestmentTaxCreditsRelatedTemporaryDifferencesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investment Tax Credits Related Temporary Differences [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InvestmentTaxCreditsRelatedTemporaryDifferencesMember" xlink:href="acb-20210630.xsd#acb_InvestmentTaxCreditsRelatedTemporaryDifferencesMember"/>
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<link:label id="lab_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLife_de5d8af8-bf92-412c-9e41-19b0e004d6c5_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLife" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Indefinite life intangibles </link:label>
<link:label id="lab_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLife_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLife" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets with indefinite useful life </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLife" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsWithIndefiniteUsefulLife"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLife" xlink:to="lab_ifrs-full_IntangibleAssetsWithIndefiniteUsefulLife" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RevenueFromGovernmentGrants_c232d1d5-3f4c-4ef9-8e20-ef26195268c0_terseLabel_en-US" xlink:label="lab_ifrs-full_RevenueFromGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Government grant income </link:label>
<link:label id="lab_ifrs-full_RevenueFromGovernmentGrants_label_en-US" xlink:label="lab_ifrs-full_RevenueFromGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income from government grants </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueFromGovernmentGrants" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueFromGovernmentGrants"/>
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<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants_88da4395-d809-4fd5-9b45-749fc322e53c_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investment Tax Credit Grants </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for government grants [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:type="arc" order="1"/>
<link:label id="lab_dei_DocumentAnnualReport_4c884eed-5c49-4a53-ac9c-f37211f55f02_terseLabel_en-US" xlink:label="lab_dei_DocumentAnnualReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document Annual Report </link:label>
<link:label id="lab_dei_DocumentAnnualReport_label_en-US" xlink:label="lab_dei_DocumentAnnualReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document Annual Report </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAnnualReport" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentAnnualReport"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAnnualReport" xlink:to="lab_dei_DocumentAnnualReport" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems_f6a0ef48-1b5c-4420-b058-811b2f59866c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of subsidiaries [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of subsidiaries [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TypesOfRisksMember_1d5909c9-abb7-4644-9706-0a96332408a8_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Risks [member] </link:label>
<link:label id="lab_ifrs-full_TypesOfRisksMember_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Risks [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TypesOfRisksMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksMember" xlink:to="lab_ifrs-full_TypesOfRisksMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfWarrantsOutstanding_e627513c-bb62-4b62-85c4-aa94d3a94e5a_periodStartLabel_en-US" xlink:label="lab_acb_NumberOfWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants, beginning balance (in shares) </link:label>
<link:label id="lab_acb_NumberOfWarrantsOutstanding_3a71cbad-c82c-4409-bff5-71e68e70a868_periodEndLabel_en-US" xlink:label="lab_acb_NumberOfWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants, ending balance (in shares) </link:label>
<link:label id="lab_acb_NumberOfWarrantsOutstanding_0a570cfc-222f-488e-b70c-def1999e43e7_terseLabel_en-US" xlink:label="lab_acb_NumberOfWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants (in shares) </link:label>
<link:label id="lab_acb_NumberOfWarrantsOutstanding_label_en-US" xlink:label="lab_acb_NumberOfWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Outstanding </link:label>
<link:label id="lab_acb_NumberOfWarrantsOutstanding_documentation_en-US" xlink:label="lab_acb_NumberOfWarrantsOutstanding" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Outstanding </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfWarrantsOutstanding" xlink:href="acb-20210630.xsd#acb_NumberOfWarrantsOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfWarrantsOutstanding" xlink:to="lab_acb_NumberOfWarrantsOutstanding" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ACBCaptiveInsuranceCompanyIncMember_d306cb7c-8582-42c8-8ef3-f90d7e47372f_terseLabel_en-US" xlink:label="lab_acb_ACBCaptiveInsuranceCompanyIncMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> ACB Captive Insurance Company Inc. (“Captive”) </link:label>
<link:label id="lab_acb_ACBCaptiveInsuranceCompanyIncMember_label_en-US" xlink:label="lab_acb_ACBCaptiveInsuranceCompanyIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> ACB Captive Insurance Company Inc. [Member] </link:label>
<link:label id="lab_acb_ACBCaptiveInsuranceCompanyIncMember_documentation_en-US" xlink:label="lab_acb_ACBCaptiveInsuranceCompanyIncMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> ACB Captive Insurance Company Inc. </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ACBCaptiveInsuranceCompanyIncMember" xlink:href="acb-20210630.xsd#acb_ACBCaptiveInsuranceCompanyIncMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ACBCaptiveInsuranceCompanyIncMember" xlink:to="lab_acb_ACBCaptiveInsuranceCompanyIncMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CreditRiskMember_463fdfdc-457d-4627-8c03-d17c6cbafa3c_terseLabel_en-US" xlink:label="lab_ifrs-full_CreditRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit risk </link:label>
<link:label id="lab_ifrs-full_CreditRiskMember_label_en-US" xlink:label="lab_ifrs-full_CreditRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit risk [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CreditRiskMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CreditRiskMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CreditRiskMember" xlink:to="lab_ifrs-full_CreditRiskMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_FinancialLiabilities_84bce079-962b-4417-bad5-33cbd9f0c310_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Liabilities </link:label>
<link:label id="lab_ifrs-full_FinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilities" xlink:to="lab_ifrs-full_FinancialLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfWarrantsHeldByEntityCancellationsInPeriod_f7e1aca8-0db5-4b25-8e47-789f8a877ca2_terseLabel_en-US" xlink:label="lab_acb_NumberOfWarrantsHeldByEntityCancellationsInPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrant cancellations in period (in shares) </link:label>
<link:label id="lab_acb_NumberOfWarrantsHeldByEntityCancellationsInPeriod_label_en-US" xlink:label="lab_acb_NumberOfWarrantsHeldByEntityCancellationsInPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Held By Entity, Cancellations In Period </link:label>
<link:label id="lab_acb_NumberOfWarrantsHeldByEntityCancellationsInPeriod_documentation_en-US" xlink:label="lab_acb_NumberOfWarrantsHeldByEntityCancellationsInPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Held By Entity, Cancellations In Period </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfWarrantsHeldByEntityCancellationsInPeriod" xlink:href="acb-20210630.xsd#acb_NumberOfWarrantsHeldByEntityCancellationsInPeriod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfWarrantsHeldByEntityCancellationsInPeriod" xlink:to="lab_acb_NumberOfWarrantsHeldByEntityCancellationsInPeriod" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ProductionFacilityClosureMember_0be46ec8-bced-49ec-bbf4-9a4a00c46007_terseLabel_en-US" xlink:label="lab_acb_ProductionFacilityClosureMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Production Facility Closure </link:label>
<link:label id="lab_acb_ProductionFacilityClosureMember_label_en-US" xlink:label="lab_acb_ProductionFacilityClosureMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Production Facility Closure [Member] </link:label>
<link:label id="lab_acb_ProductionFacilityClosureMember_documentation_en-US" xlink:label="lab_acb_ProductionFacilityClosureMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Production Facility Closure </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ProductionFacilityClosureMember" xlink:href="acb-20210630.xsd#acb_ProductionFacilityClosureMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ProductionFacilityClosureMember" xlink:to="lab_acb_ProductionFacilityClosureMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities_f91c0ab7-a0fc-4e55-8e43-b7a266524b7e_terseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Percentage of reasonably possible increase in unobservable input, liabilities </link:label>
<link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities_label_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Percentage of reasonably possible increase in unobservable input, liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:to="lab_ifrs-full_PercentageOfReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_b6a7cf22-037d-4ef6-86e1-292a841161c9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of Common Shares Issued </link:label>
<link:label id="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of classes of share capital [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityClassActionCMember_540fc1e0-86ce-4580-9620-55669a8f515d_terseLabel_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClassActionCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal proceedings contingent liability, class action C </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityClassActionCMember_label_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClassActionCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Class Action C [Member] </link:label>
<link:label id="lab_acb_LegalProceedingsContingentLiabilityClassActionCMember_documentation_en-US" xlink:label="lab_acb_LegalProceedingsContingentLiabilityClassActionCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal Proceedings Contingent Liability, Class Action C [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LegalProceedingsContingentLiabilityClassActionCMember" xlink:href="acb-20210630.xsd#acb_LegalProceedingsContingentLiabilityClassActionCMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LegalProceedingsContingentLiabilityClassActionCMember" xlink:to="lab_acb_LegalProceedingsContingentLiabilityClassActionCMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAxis_99901c4a-fcb7-416a-ae2b-b5fabb537dfb_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Categories of financial assets [axis] </link:label>
<link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Categories of financial assets [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract_fcbf6b21-68dc-40e5-b3c3-c0cde1979f62_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of profit or loss and other comprehensive income [abstract] </link:label>
<link:label id="lab_ifrs-full_StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of profit or loss and other comprehensive income [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OtherNoncurrentFinancialLiabilities_fad1a19d-53ff-49a1-82a3-f4f22efc7b6a_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other long-term liability </link:label>
<link:label id="lab_ifrs-full_OtherNoncurrentFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other non-current financial liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherNoncurrentFinancialLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:to="lab_ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NoncurrentDerivativeFinancialAssets_7575bc5f-6c1a-4385-a35e-c1a302605a9c_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Derivatives </link:label>
<link:label id="lab_ifrs-full_NoncurrentDerivativeFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-current derivative financial assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentDerivativeFinancialAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:to="lab_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ProductionFacilitiesMember_a8c414ef-376a-4347-9cc8-a72833216a09_terseLabel_en-US" xlink:label="lab_acb_ProductionFacilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Production Facilities </link:label>
<link:label id="lab_acb_ProductionFacilitiesMember_label_en-US" xlink:label="lab_acb_ProductionFacilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Production Facilities [Member] </link:label>
<link:label id="lab_acb_ProductionFacilitiesMember_documentation_en-US" xlink:label="lab_acb_ProductionFacilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Production Facilities [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ProductionFacilitiesMember" xlink:href="acb-20210630.xsd#acb_ProductionFacilitiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ProductionFacilitiesMember" xlink:to="lab_acb_ProductionFacilitiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsLineItems_0f363c50-7972-4295-92d5-551a58b265c9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, assets [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, assets [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InvestmentsInEquityInstrumentsOtherImmaterialInvestmentsMember_94b36140-abe0-4898-9dcb-049fa44f82e2_terseLabel_en-US" xlink:label="lab_acb_InvestmentsInEquityInstrumentsOtherImmaterialInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other immaterial investments </link:label>
<link:label id="lab_acb_InvestmentsInEquityInstrumentsOtherImmaterialInvestmentsMember_label_en-US" xlink:label="lab_acb_InvestmentsInEquityInstrumentsOtherImmaterialInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments In Equity Instruments, Other Immaterial Investments [Member] </link:label>
<link:label id="lab_acb_InvestmentsInEquityInstrumentsOtherImmaterialInvestmentsMember_documentation_en-US" xlink:label="lab_acb_InvestmentsInEquityInstrumentsOtherImmaterialInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments In Equity Instruments, Other Immaterial Investments [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InvestmentsInEquityInstrumentsOtherImmaterialInvestmentsMember" xlink:href="acb-20210630.xsd#acb_InvestmentsInEquityInstrumentsOtherImmaterialInvestmentsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InvestmentsInEquityInstrumentsOtherImmaterialInvestmentsMember" xlink:to="lab_acb_InvestmentsInEquityInstrumentsOtherImmaterialInvestmentsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfInventoriesExplanatory_d2d55337-3b1c-4477-b532-0eea53c1e6d8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventory </link:label>
<link:label id="lab_ifrs-full_DisclosureOfInventoriesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of inventories [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfInventoriesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ReserveOfSharebasedPaymentsMember_40615a44-fbb2-4e77-8a7f-ef386dd1724c_terseLabel_en-US" xlink:label="lab_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share-Based Compensation </link:label>
<link:label id="lab_ifrs-full_ReserveOfSharebasedPaymentsMember_label_en-US" xlink:label="lab_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reserve of share-based payments [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ReserveOfSharebasedPaymentsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:to="lab_ifrs-full_ReserveOfSharebasedPaymentsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_0f6dd6a0-c3d7-48d7-baa0-7df9b691bfde_periodStartLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Options outstanding, beginning (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_487474c2-c077-4adf-93c1-81b247f3f065_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Options outstanding, ending (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_235dc5f1-59f4-4d51-bd52-7d888da8395b_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Options outstanding (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfOutstandingShareOptions_label_en-US" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of share options outstanding in share-based payment arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfOutstandingShareOptions" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NumberOfOutstandingShareOptions"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOutstandingShareOptions" xlink:to="lab_ifrs-full_NumberOfOutstandingShareOptions" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_5f0615cd-7993-49fe-a520-556d820c36ba_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financing activities </link:label>
<link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cash flows from (used in) financing activities [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod_fb40b6d2-6824-4d8d-841a-f4b90713a65b_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investment in derivatives </link:label>
<link:label id="lab_ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Purchase of investments other than investments accounted for using equity method </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xlink:type="arc" order="1"/>
<link:label id="lab_acb_TaxEffectOfNondeductibleLossOnConvertibleDebt_12894db5-794e-4aa6-b56f-d71f1c4cd21c_terseLabel_en-US" xlink:label="lab_acb_TaxEffectOfNondeductibleLossOnConvertibleDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-deducible loss on conversion of debt </link:label>
<link:label id="lab_acb_TaxEffectOfNondeductibleLossOnConvertibleDebt_label_en-US" xlink:label="lab_acb_TaxEffectOfNondeductibleLossOnConvertibleDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax Effect Of Non-deductible Loss On Convertible Debt </link:label>
<link:label id="lab_acb_TaxEffectOfNondeductibleLossOnConvertibleDebt_documentation_en-US" xlink:label="lab_acb_TaxEffectOfNondeductibleLossOnConvertibleDebt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax Effect Of Non-deductible Loss On Convertible Debt </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TaxEffectOfNondeductibleLossOnConvertibleDebt" xlink:href="acb-20210630.xsd#acb_TaxEffectOfNondeductibleLossOnConvertibleDebt"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_TaxEffectOfNondeductibleLossOnConvertibleDebt" xlink:to="lab_acb_TaxEffectOfNondeductibleLossOnConvertibleDebt" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RepaymentsofConvertibleBorrowings_5b899104-b71b-47f7-95ea-998a4848393b_negatedTerseLabel_en-US" xlink:label="lab_acb_RepaymentsofConvertibleBorrowings" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Repayment of convertible debenture </link:label>
<link:label id="lab_acb_RepaymentsofConvertibleBorrowings_201246f6-b202-491c-8877-5e8f8318798a_terseLabel_en-US" xlink:label="lab_acb_RepaymentsofConvertibleBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Repayments of convertible borrowings </link:label>
<link:label id="lab_acb_RepaymentsofConvertibleBorrowings_label_en-US" xlink:label="lab_acb_RepaymentsofConvertibleBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Repayments of Convertible Borrowings </link:label>
<link:label id="lab_acb_RepaymentsofConvertibleBorrowings_documentation_en-US" xlink:label="lab_acb_RepaymentsofConvertibleBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Repayments of Convertible Borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RepaymentsofConvertibleBorrowings" xlink:href="acb-20210630.xsd#acb_RepaymentsofConvertibleBorrowings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RepaymentsofConvertibleBorrowings" xlink:to="lab_acb_RepaymentsofConvertibleBorrowings" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsCovenantMinimumUnrestrictedCashBalancePercentageOfOutstandingPrincipalLessCashCollateral_2ea79987-2a31-4e0a-9a59-644c47cfd4ad_terseLabel_en-US" xlink:label="lab_acb_BorrowingsCovenantMinimumUnrestrictedCashBalancePercentageOfOutstandingPrincipalLessCashCollateral" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Minimum unrestricted cash balance, percentage of outstanding principal less cash collateral </link:label>
<link:label id="lab_acb_BorrowingsCovenantMinimumUnrestrictedCashBalancePercentageOfOutstandingPrincipalLessCashCollateral_label_en-US" xlink:label="lab_acb_BorrowingsCovenantMinimumUnrestrictedCashBalancePercentageOfOutstandingPrincipalLessCashCollateral" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Minimum Unrestricted Cash Balance, Percentage Of Outstanding Principal Less Cash Collateral </link:label>
<link:label id="lab_acb_BorrowingsCovenantMinimumUnrestrictedCashBalancePercentageOfOutstandingPrincipalLessCashCollateral_documentation_en-US" xlink:label="lab_acb_BorrowingsCovenantMinimumUnrestrictedCashBalancePercentageOfOutstandingPrincipalLessCashCollateral" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Minimum Unrestricted Cash Balance, Percentage Of Outstanding Principal Less Cash Collateral </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsCovenantMinimumUnrestrictedCashBalancePercentageOfOutstandingPrincipalLessCashCollateral" xlink:href="acb-20210630.xsd#acb_BorrowingsCovenantMinimumUnrestrictedCashBalancePercentageOfOutstandingPrincipalLessCashCollateral"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsCovenantMinimumUnrestrictedCashBalancePercentageOfOutstandingPrincipalLessCashCollateral" xlink:to="lab_acb_BorrowingsCovenantMinimumUnrestrictedCashBalancePercentageOfOutstandingPrincipalLessCashCollateral" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AmountsReceivableRelatedPartyTransactions_52c33d29-93d7-4579-9f00-f63a6053d719_terseLabel_en-US" xlink:label="lab_ifrs-full_AmountsReceivableRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loan receivable from investments in associates </link:label>
<link:label id="lab_ifrs-full_AmountsReceivableRelatedPartyTransactions_label_en-US" xlink:label="lab_ifrs-full_AmountsReceivableRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts receivable, related party transactions </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmountsReceivableRelatedPartyTransactions" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AmountsReceivableRelatedPartyTransactions"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmountsReceivableRelatedPartyTransactions" xlink:to="lab_ifrs-full_AmountsReceivableRelatedPartyTransactions" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax_72f919fa-0385-425d-a366-4c849b2f9f1d_terseLabel_en-US" xlink:label="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share of income (loss) from investment in associates </link:label>
<link:label id="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax_label_en-US" xlink:label="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:to="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_eb25afa3-05fc-43b9-a0b4-f126b4f46ea1_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Categories of related parties [axis] </link:label>
<link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Categories of related parties [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract_01cf3725-2348-4b01-812b-459903918a8c_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income tax (expense) recovery </link:label>
<link:label id="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current tax expense (income) and adjustments for current tax of prior periods [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:to="lab_ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_SegmentsMember_86f9f93e-76a6-4c79-a477-3e7d791ded3a_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Segments [member] </link:label>
<link:label id="lab_ifrs-full_SegmentsMember_label_en-US" xlink:label="lab_ifrs-full_SegmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Segments [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SegmentsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsMember" xlink:to="lab_ifrs-full_SegmentsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsPurchasedWarrantsExercisePrice_d7d62257-add2-48ba-8d7b-736e7c5e14d2_verboseLabel_en-US" xlink:label="lab_acb_FinancialAssetsPurchasedWarrantsExercisePrice" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise price of warrants (in CAD per share) </link:label>
<link:label id="lab_acb_FinancialAssetsPurchasedWarrantsExercisePrice_label_en-US" xlink:label="lab_acb_FinancialAssetsPurchasedWarrantsExercisePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets Purchased, Warrants, Exercise Price </link:label>
<link:label id="lab_acb_FinancialAssetsPurchasedWarrantsExercisePrice_documentation_en-US" xlink:label="lab_acb_FinancialAssetsPurchasedWarrantsExercisePrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets Purchased, Warrants, Exercise Price </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsPurchasedWarrantsExercisePrice" xlink:href="acb-20210630.xsd#acb_FinancialAssetsPurchasedWarrantsExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsPurchasedWarrantsExercisePrice" xlink:to="lab_acb_FinancialAssetsPurchasedWarrantsExercisePrice" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance_cb7982da-97c2-4021-a2d2-34dc4817c94f_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax expense (income) relating to gain (loss) on discontinuance </link:label>
<link:label id="lab_ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance_label_en-US" xlink:label="lab_ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax expense (income) relating to gain (loss) on discontinuance </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance" xlink:to="lab_ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ShareCapitalDividendPercentage_dfc064d4-0b1c-4db0-a6e9-22f4a78aa649_terseLabel_en-US" xlink:label="lab_acb_ShareCapitalDividendPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share capital, dividend as percentage </link:label>
<link:label id="lab_acb_ShareCapitalDividendPercentage_label_en-US" xlink:label="lab_acb_ShareCapitalDividendPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share Capital, Dividend, Percentage </link:label>
<link:label id="lab_acb_ShareCapitalDividendPercentage_documentation_en-US" xlink:label="lab_acb_ShareCapitalDividendPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share Capital, Dividend, Percentage </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ShareCapitalDividendPercentage" xlink:href="acb-20210630.xsd#acb_ShareCapitalDividendPercentage"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ShareCapitalDividendPercentage" xlink:to="lab_acb_ShareCapitalDividendPercentage" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfNoncurrentAssetsHeldForSaleTable_ce6bf85d-72c9-4b99-8f1b-edb9a97196e8_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfNoncurrentAssetsHeldForSaleTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of Non-current Assets Held for Sale [Table] </link:label>
<link:label id="lab_acb_DisclosureOfNoncurrentAssetsHeldForSaleTable_label_en-US" xlink:label="lab_acb_DisclosureOfNoncurrentAssetsHeldForSaleTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Non-current Assets Held For Sale [Table] </link:label>
<link:label id="lab_acb_DisclosureOfNoncurrentAssetsHeldForSaleTable_documentation_en-US" xlink:label="lab_acb_DisclosureOfNoncurrentAssetsHeldForSaleTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Non-current Assets Held For Sale [Table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfNoncurrentAssetsHeldForSaleTable" xlink:href="acb-20210630.xsd#acb_DisclosureOfNoncurrentAssetsHeldForSaleTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfNoncurrentAssetsHeldForSaleTable" xlink:to="lab_acb_DisclosureOfNoncurrentAssetsHeldForSaleTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019_6e509676-908c-4895-a69e-42698d3390cd_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Vested, released and issued (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AmountByWhichValueAssignedToKeyAssumptionMustChangeInOrderForUnitsRecoverableAmountToBeEqualToCarryingAmount_f80b3a52-47b3-44bc-bed3-6ce132b977f0_terseLabel_en-US" xlink:label="lab_ifrs-full_AmountByWhichValueAssignedToKeyAssumptionMustChangeInOrderForUnitsRecoverableAmountToBeEqualToCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Change required for the recoverable amount to equal the carrying value </link:label>
<link:label id="lab_ifrs-full_AmountByWhichValueAssignedToKeyAssumptionMustChangeInOrderForUnitsRecoverableAmountToBeEqualToCarryingAmount_label_en-US" xlink:label="lab_ifrs-full_AmountByWhichValueAssignedToKeyAssumptionMustChangeInOrderForUnitsRecoverableAmountToBeEqualToCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amount by which value assigned to key assumption must change in order for unit's recoverable amount to be equal to carrying amount </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmountByWhichValueAssignedToKeyAssumptionMustChangeInOrderForUnitsRecoverableAmountToBeEqualToCarryingAmount" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AmountByWhichValueAssignedToKeyAssumptionMustChangeInOrderForUnitsRecoverableAmountToBeEqualToCarryingAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmountByWhichValueAssignedToKeyAssumptionMustChangeInOrderForUnitsRecoverableAmountToBeEqualToCarryingAmount" xlink:to="lab_ifrs-full_AmountByWhichValueAssignedToKeyAssumptionMustChangeInOrderForUnitsRecoverableAmountToBeEqualToCarryingAmount" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsConsiderationReceivableOnDisposal_bf9bf1de-275d-442c-ad37-f113d6d22354_terseLabel_en-US" xlink:label="lab_acb_DisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsConsiderationReceivableOnDisposal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Consideration receivable </link:label>
<link:label id="lab_acb_DisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsConsiderationReceivableOnDisposal_label_en-US" xlink:label="lab_acb_DisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsConsiderationReceivableOnDisposal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disposal of Non Current Assets Or Disposal Groups Classified As Held For Sale And Discontinued Operations, Consideration Receivable On Disposal </link:label>
<link:label id="lab_acb_DisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsConsiderationReceivableOnDisposal_documentation_en-US" xlink:label="lab_acb_DisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsConsiderationReceivableOnDisposal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disposal of Non Current Assets Or Disposal Groups Classified As Held For Sale And Discontinued Operations, Consideration Receivable On Disposal </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsConsiderationReceivableOnDisposal" xlink:href="acb-20210630.xsd#acb_DisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsConsiderationReceivableOnDisposal"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsConsiderationReceivableOnDisposal" xlink:to="lab_acb_DisposalOfNonCurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsConsiderationReceivableOnDisposal" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CannabisCustomersMember_0165e977-98fc-44d4-b95e-e9fbb3c098d1_terseLabel_en-US" xlink:label="lab_acb_CannabisCustomersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cannabis </link:label>
<link:label id="lab_acb_CannabisCustomersMember_label_en-US" xlink:label="lab_acb_CannabisCustomersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cannabis Customers [Member] </link:label>
<link:label id="lab_acb_CannabisCustomersMember_documentation_en-US" xlink:label="lab_acb_CannabisCustomersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Cannabis Customers [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CannabisCustomersMember" xlink:href="acb-20210630.xsd#acb_CannabisCustomersMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CannabisCustomersMember" xlink:to="lab_acb_CannabisCustomersMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExpectedTaxRecoveryFromOperationsBeforeTaxesAndDiscontinuedOperations_168c585d-f5f9-490f-8a11-4949a719ea79_terseLabel_en-US" xlink:label="lab_acb_ExpectedTaxRecoveryFromOperationsBeforeTaxesAndDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected tax recovery from operations before taxes and discontinued operations </link:label>
<link:label id="lab_acb_ExpectedTaxRecoveryFromOperationsBeforeTaxesAndDiscontinuedOperations_label_en-US" xlink:label="lab_acb_ExpectedTaxRecoveryFromOperationsBeforeTaxesAndDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected Tax Recovery From Operations Before Taxes And Discontinued Operations </link:label>
<link:label id="lab_acb_ExpectedTaxRecoveryFromOperationsBeforeTaxesAndDiscontinuedOperations_documentation_en-US" xlink:label="lab_acb_ExpectedTaxRecoveryFromOperationsBeforeTaxesAndDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected Tax Recovery From Operations Before Taxes And Discontinued Operations </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExpectedTaxRecoveryFromOperationsBeforeTaxesAndDiscontinuedOperations" xlink:href="acb-20210630.xsd#acb_ExpectedTaxRecoveryFromOperationsBeforeTaxesAndDiscontinuedOperations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExpectedTaxRecoveryFromOperationsBeforeTaxesAndDiscontinuedOperations" xlink:to="lab_acb_ExpectedTaxRecoveryFromOperationsBeforeTaxesAndDiscontinuedOperations" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesForeignExchangeGainLoss_186355a3-005e-4248-bf2a-c5c45b17f78d_negatedTerseLabel_en-US" xlink:label="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesForeignExchangeGainLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> OCI FX and share of OCI income (loss) </link:label>
<link:label id="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesForeignExchangeGainLoss_label_en-US" xlink:label="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesForeignExchangeGainLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments In Subsidiaries, Joint Ventures And Associates, Foreign Exchange Gain (Loss) </link:label>
<link:label id="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesForeignExchangeGainLoss_documentation_en-US" xlink:label="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesForeignExchangeGainLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments In Subsidiaries, Joint Ventures And Associates, Foreign Exchange Gain (Loss) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesForeignExchangeGainLoss" xlink:href="acb-20210630.xsd#acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesForeignExchangeGainLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesForeignExchangeGainLoss" xlink:to="lab_acb_InvestmentsInSubsidiariesJointVenturesAndAssociatesForeignExchangeGainLoss" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ImpairmentDuringPeriodMember_da730c17-4742-4041-bdae-52a93073b1c5_terseLabel_en-US" xlink:label="lab_acb_ImpairmentDuringPeriodMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment </link:label>
<link:label id="lab_acb_ImpairmentDuringPeriodMember_label_en-US" xlink:label="lab_acb_ImpairmentDuringPeriodMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment During Period [Member] </link:label>
<link:label id="lab_acb_ImpairmentDuringPeriodMember_documentation_en-US" xlink:label="lab_acb_ImpairmentDuringPeriodMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment During Period </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ImpairmentDuringPeriodMember" xlink:href="acb-20210630.xsd#acb_ImpairmentDuringPeriodMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ImpairmentDuringPeriodMember" xlink:to="lab_acb_ImpairmentDuringPeriodMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable_ef451693-379f-4123-adc7-f9cbaf687665_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of analysis of single amount of discontinued operations [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of analysis of single amount of discontinued operations [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable" xlink:to="lab_ifrs-full_DisclosureOfAnalysisOfSingleAmountOfDiscontinuedOperationsTable" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AuroraNordicCannabisASMember_253b5386-f5f1-4610-9555-506bb6464c5e_verboseLabel_en-US" xlink:label="lab_acb_AuroraNordicCannabisASMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Nordic Cannabis A/S (“Aurora Nordic”) </link:label>
<link:label id="lab_acb_AuroraNordicCannabisASMember_f582edde-2d3a-45ac-a02e-559c94d52b47_terseLabel_en-US" xlink:label="lab_acb_AuroraNordicCannabisASMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Nordic </link:label>
<link:label id="lab_acb_AuroraNordicCannabisASMember_label_en-US" xlink:label="lab_acb_AuroraNordicCannabisASMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Nordic Cannabis A/S [Member] </link:label>
<link:label id="lab_acb_AuroraNordicCannabisASMember_documentation_en-US" xlink:label="lab_acb_AuroraNordicCannabisASMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Nordic Cannabis A/S [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AuroraNordicCannabisASMember" xlink:href="acb-20210630.xsd#acb_AuroraNordicCannabisASMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AuroraNordicCannabisASMember" xlink:to="lab_acb_AuroraNordicCannabisASMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted_068528ca-fcb3-410f-b7f6-5fa57a222fba_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average fair value of stock options granted (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average fair value at measurement date, share options granted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xlink:to="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination_b9e0ff12-291c-4af7-899f-74e964990d07_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition costs </link:label>
<link:label id="lab_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination_label_en-US" xlink:label="lab_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition-related costs for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination"/>
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<link:label id="lab_ifrs-full_NumberOfSharesIssuedAndFullyPaid_021b8af9-7d31-4dcd-9378-98141c6f2e86_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of shares issued and fully paid (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfSharesIssuedAndFullyPaid_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of shares issued and fully paid </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NumberOfSharesIssuedAndFullyPaid"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:to="lab_ifrs-full_NumberOfSharesIssuedAndFullyPaid" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_d659c8aa-b995-4631-8790-97cf3c1a1868_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share-Based Compensation </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for share-based payment transactions [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_PropertyPlantAndEquipmentMember_a1b17102-7967-438b-b0fd-f4cde5198dbb_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, plant and equipment [member] </link:label>
<link:label id="lab_ifrs-full_PropertyPlantAndEquipmentMember_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, plant and equipment [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PropertyPlantAndEquipmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="lab_ifrs-full_PropertyPlantAndEquipmentMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BasicAndDilutedEarningsLossPerShare_8ab9697c-974d-488d-b26a-df6fb7ab72d8_totalLabel_en-US" xlink:label="lab_ifrs-full_BasicAndDilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total operations (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_BasicAndDilutedEarningsLossPerShare_68e9977f-19b8-4bf7-8d61-7a3b5c932fc2_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicAndDilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Loss per share (basic and diluted) (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_BasicAndDilutedEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_BasicAndDilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Basic and diluted earnings (loss) per share </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicAndDilutedEarningsLossPerShare" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BasicAndDilutedEarningsLossPerShare"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicAndDilutedEarningsLossPerShare" xlink:to="lab_ifrs-full_BasicAndDilutedEarningsLossPerShare" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfCommonSharesRightToReceiveOtherEquityInstruments_e6adf9e8-aeab-4a29-9a3e-ce6024dfd49b_terseLabel_en-US" xlink:label="lab_acb_NumberOfCommonSharesRightToReceiveOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of common shares, right to receive (in shares) </link:label>
<link:label id="lab_acb_NumberOfCommonSharesRightToReceiveOtherEquityInstruments_label_en-US" xlink:label="lab_acb_NumberOfCommonSharesRightToReceiveOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Common Shares, Right To Receive, Other Equity Instruments </link:label>
<link:label id="lab_acb_NumberOfCommonSharesRightToReceiveOtherEquityInstruments_documentation_en-US" xlink:label="lab_acb_NumberOfCommonSharesRightToReceiveOtherEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Common Shares, Right To Receive, Other Equity Instruments </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfCommonSharesRightToReceiveOtherEquityInstruments" xlink:href="acb-20210630.xsd#acb_NumberOfCommonSharesRightToReceiveOtherEquityInstruments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfCommonSharesRightToReceiveOtherEquityInstruments" xlink:to="lab_acb_NumberOfCommonSharesRightToReceiveOtherEquityInstruments" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OperatingSubleasesMember_d73cf174-fec2-4f6e-85f9-990096cb0046_terseLabel_en-US" xlink:label="lab_acb_OperatingSubleasesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Operating Subleases </link:label>
<link:label id="lab_acb_OperatingSubleasesMember_label_en-US" xlink:label="lab_acb_OperatingSubleasesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Operating Subleases [Member] </link:label>
<link:label id="lab_acb_OperatingSubleasesMember_documentation_en-US" xlink:label="lab_acb_OperatingSubleasesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Operating Subleases </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OperatingSubleasesMember" xlink:href="acb-20210630.xsd#acb_OperatingSubleasesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OperatingSubleasesMember" xlink:to="lab_acb_OperatingSubleasesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_TaxEffectOfAdjustmentForChangeInPriorYearEstimates_f773e9b0-8640-4a73-9f22-6a76460cebbc_terseLabel_en-US" xlink:label="lab_acb_TaxEffectOfAdjustmentForChangeInPriorYearEstimates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected tax recovery from operations before taxes and discontinued operations </link:label>
<link:label id="lab_acb_TaxEffectOfAdjustmentForChangeInPriorYearEstimates_label_en-US" xlink:label="lab_acb_TaxEffectOfAdjustmentForChangeInPriorYearEstimates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax Effect Of Adjustment For Change In Prior Year Estimates </link:label>
<link:label id="lab_acb_TaxEffectOfAdjustmentForChangeInPriorYearEstimates_documentation_en-US" xlink:label="lab_acb_TaxEffectOfAdjustmentForChangeInPriorYearEstimates" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax Effect Of Adjustment For Change In Prior Year Estimates </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TaxEffectOfAdjustmentForChangeInPriorYearEstimates" xlink:href="acb-20210630.xsd#acb_TaxEffectOfAdjustmentForChangeInPriorYearEstimates"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_TaxEffectOfAdjustmentForChangeInPriorYearEstimates" xlink:to="lab_acb_TaxEffectOfAdjustmentForChangeInPriorYearEstimates" xlink:type="arc" order="1"/>
<link:label id="lab_acb_WeightedAverageEffectiveYieldMeasurementInputMember_3666599d-9520-4691-9b6b-502495d3f927_terseLabel_en-US" xlink:label="lab_acb_WeightedAverageEffectiveYieldMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average effective yield </link:label>
<link:label id="lab_acb_WeightedAverageEffectiveYieldMeasurementInputMember_label_en-US" xlink:label="lab_acb_WeightedAverageEffectiveYieldMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Effective Yield, Measurement Input [Member] </link:label>
<link:label id="lab_acb_WeightedAverageEffectiveYieldMeasurementInputMember_documentation_en-US" xlink:label="lab_acb_WeightedAverageEffectiveYieldMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Effective Yield, Measurement Input </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_WeightedAverageEffectiveYieldMeasurementInputMember" xlink:href="acb-20210630.xsd#acb_WeightedAverageEffectiveYieldMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_WeightedAverageEffectiveYieldMeasurementInputMember" xlink:to="lab_acb_WeightedAverageEffectiveYieldMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_TaxExpenseOtherThanIncomeTaxExpense_ee5ef141-d060-4a9b-9f2f-0fd35d5d7cd8_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Excise taxes </link:label>
<link:label id="lab_ifrs-full_TaxExpenseOtherThanIncomeTaxExpense_label_en-US" xlink:label="lab_ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Tax expense other than income tax expense </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TaxExpenseOtherThanIncomeTaxExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" xlink:to="lab_ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory_2c51fd79-e570-4534-b31d-7c22d3c324d8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets Measured at Fair Value </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value measurement of assets [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BorrowingsInterestRate_1d2b130a-9a45-46d6-9be6-43012e9a61c8_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, interest rate </link:label>
<link:label id="lab_ifrs-full_BorrowingsInterestRate_label_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, interest rate </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsInterestRate" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BorrowingsInterestRate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsInterestRate" xlink:to="lab_ifrs-full_BorrowingsInterestRate" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AlcannaInc.Member_3b9dd978-063b-4290-91c8-b0f56c3b608c_terseLabel_en-US" xlink:label="lab_acb_AlcannaInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Alcanna </link:label>
<link:label id="lab_acb_AlcannaInc.Member_label_en-US" xlink:label="lab_acb_AlcannaInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Alcanna Inc. [Member] </link:label>
<link:label id="lab_acb_AlcannaInc.Member_documentation_en-US" xlink:label="lab_acb_AlcannaInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Alcanna Inc. [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AlcannaInc.Member" xlink:href="acb-20210630.xsd#acb_AlcannaInc.Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AlcannaInc.Member" xlink:to="lab_acb_AlcannaInc.Member" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_36daa5b2-e7aa-4960-87bc-4c676fd82ca1_verboseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Issued (in shares) </link:label>
<link:label id="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of other equity instruments granted in share-based payment arrangement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:to="lab_ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BasicAndDilutedEarningsPerShareAbstract_e6aa9c80-9db9-4a28-9c8a-28691772190a_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicAndDilutedEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Net loss per share - basic and diluted </link:label>
<link:label id="lab_ifrs-full_BasicAndDilutedEarningsPerShareAbstract_label_en-US" xlink:label="lab_ifrs-full_BasicAndDilutedEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Basic and diluted earnings per share [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicAndDilutedEarningsPerShareAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BasicAndDilutedEarningsPerShareAbstract"/>
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<link:label id="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate_735331b0-ac15-43d7-a864-9e7a74c32a1c_terseLabel_en-US" xlink:label="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets </link:label>
<link:label id="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Identifiable intangible assets recognised as of acquisition date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities_2a284ed7-65f6-402d-8964-d0900fd273d8_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from disposal of marketable securities </link:label>
<link:label id="lab_ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds from sales or maturity of financial instruments, classified as investing activities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories_528e3565-4e67-4d3c-a30c-027043f243a4_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventory </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for measuring inventories [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory_3e510e7c-da5a-46e3-a410-ef75bf5b4ccc_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-Controlling Interests </link:label>
<link:label id="lab_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of non-controlling interests [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_dei_CurrentFiscalYearEndDate_788cd880-7413-4548-9b95-4b55390750e1_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current Fiscal Year End Date </link:label>
<link:label id="lab_dei_CurrentFiscalYearEndDate_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current Fiscal Year End Date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_CurrentFiscalYearEndDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate" xlink:to="lab_dei_CurrentFiscalYearEndDate" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_74b12ffe-f64f-4f43-99f9-55751b4a8cc8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of nature and extent of risks arising from financial instruments [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of nature and extent of risks arising from financial instruments [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AmountsPayableRelatedPartyTransactions_ac9947c1-bba8-46cb-9a13-867de49c5b5d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Production costs with investments in associates </link:label>
<link:label id="lab_ifrs-full_AmountsPayableRelatedPartyTransactions_label_en-US" xlink:label="lab_ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Amounts payable, related party transactions </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AmountsPayableRelatedPartyTransactions"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:to="lab_ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfReconciliationofStatutoryIncomeTaxRatetoEffectiveTaxRateTableTextBlock_adc53670-37ab-4c73-946a-949e0686ac08_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfReconciliationofStatutoryIncomeTaxRatetoEffectiveTaxRateTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reconciliation of Net Tax Provision to Income (Loss) Before Income Tax </link:label>
<link:label id="lab_acb_DisclosureOfReconciliationofStatutoryIncomeTaxRatetoEffectiveTaxRateTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfReconciliationofStatutoryIncomeTaxRatetoEffectiveTaxRateTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Reconciliation of Statutory Income Tax Rate to Effective Tax Rate [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfReconciliationofStatutoryIncomeTaxRatetoEffectiveTaxRateTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfReconciliationofStatutoryIncomeTaxRatetoEffectiveTaxRateTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Reconciliation of Statutory Income Tax Rate to Effective Tax Rate [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfReconciliationofStatutoryIncomeTaxRatetoEffectiveTaxRateTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfReconciliationofStatutoryIncomeTaxRatetoEffectiveTaxRateTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfReconciliationofStatutoryIncomeTaxRatetoEffectiveTaxRateTableTextBlock" xlink:to="lab_acb_DisclosureOfReconciliationofStatutoryIncomeTaxRatetoEffectiveTaxRateTableTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment_3632fae1-23e3-4d98-84f0-9b871330497b_terseLabel_en-US" xlink:label="lab_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Percentage of net proceeds from sale of facilities to be used for repayment </link:label>
<link:label id="lab_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment_label_en-US" xlink:label="lab_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Percentage Of Net Proceeds From Sale Of Facilities To Be Used For Repayment </link:label>
<link:label id="lab_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment_documentation_en-US" xlink:label="lab_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Percentage Of Net Proceeds From Sale Of Facilities To Be Used For Repayment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:href="acb-20210630.xsd#acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:to="lab_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepayment" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis_65ea6722-7037-49b2-93de-e4414ceaa974_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of intangible assets and goodwill [axis] </link:label>
<link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Classes of intangible assets and goodwill [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems_27f9ec51-1296-4c70-9dd2-82c0548d5922_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of operating segments [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of operating segments [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ItemsOfContingentLiabilitiesAxis_ca27f40d-83b0-4b90-870a-fbb0b269775f_terseLabel_en-US" xlink:label="lab_ifrs-full_ItemsOfContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Items of contingent liabilities [axis] </link:label>
<link:label id="lab_ifrs-full_ItemsOfContingentLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ItemsOfContingentLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Items of contingent liabilities [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ItemsOfContingentLiabilitiesAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ItemsOfContingentLiabilitiesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ItemsOfContingentLiabilitiesAxis" xlink:to="lab_ifrs-full_ItemsOfContingentLiabilitiesAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ProceedsFromIssuingSharesAmountAllocatedToShareCapital_104e74e1-963e-4670-8bf6-d9d828767e4f_terseLabel_en-US" xlink:label="lab_acb_ProceedsFromIssuingSharesAmountAllocatedToShareCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shares issued for cash, net of share issue costs, amount allocated to share capital </link:label>
<link:label id="lab_acb_ProceedsFromIssuingSharesAmountAllocatedToShareCapital_label_en-US" xlink:label="lab_acb_ProceedsFromIssuingSharesAmountAllocatedToShareCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds From Issuing Shares, Amount Allocated To Share Capital </link:label>
<link:label id="lab_acb_ProceedsFromIssuingSharesAmountAllocatedToShareCapital_documentation_en-US" xlink:label="lab_acb_ProceedsFromIssuingSharesAmountAllocatedToShareCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Proceeds From Issuing Shares, Amount Allocated To Share Capital </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ProceedsFromIssuingSharesAmountAllocatedToShareCapital" xlink:href="acb-20210630.xsd#acb_ProceedsFromIssuingSharesAmountAllocatedToShareCapital"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ProceedsFromIssuingSharesAmountAllocatedToShareCapital" xlink:to="lab_acb_ProceedsFromIssuingSharesAmountAllocatedToShareCapital" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OtherImmaterialInvestmentsMember_b23eceaa-de58-4e02-b003-8c5defbbc05a_terseLabel_en-US" xlink:label="lab_acb_OtherImmaterialInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other immaterial investments </link:label>
<link:label id="lab_acb_OtherImmaterialInvestmentsMember_label_en-US" xlink:label="lab_acb_OtherImmaterialInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Immaterial Investments [Member] </link:label>
<link:label id="lab_acb_OtherImmaterialInvestmentsMember_documentation_en-US" xlink:label="lab_acb_OtherImmaterialInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Immaterial Investments [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OtherImmaterialInvestmentsMember" xlink:href="acb-20210630.xsd#acb_OtherImmaterialInvestmentsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OtherImmaterialInvestmentsMember" xlink:to="lab_acb_OtherImmaterialInvestmentsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_WarrantsMember_2f46c916-ae60-43af-9ae4-1d13f174e4d4_terseLabel_en-US" xlink:label="lab_acb_WarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants </link:label>
<link:label id="lab_acb_WarrantsMember_label_en-US" xlink:label="lab_acb_WarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants [Member] </link:label>
<link:label id="lab_acb_WarrantsMember_documentation_en-US" xlink:label="lab_acb_WarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_WarrantsMember" xlink:href="acb-20210630.xsd#acb_WarrantsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_WarrantsMember" xlink:to="lab_acb_WarrantsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepaymentInExcessOfThresholdAmount_fa5f24cf-6748-4740-af5f-fa5b5dd2db60_terseLabel_en-US" xlink:label="lab_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepaymentInExcessOfThresholdAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Percentage of net proceeds from sale of facilities to be used for repayment, in excess of threshold amount </link:label>
<link:label id="lab_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepaymentInExcessOfThresholdAmount_label_en-US" xlink:label="lab_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepaymentInExcessOfThresholdAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Percentage Of Net Proceeds From Sale Of Facilities To Be Used For Repayment, In Excess Of Threshold Amount </link:label>
<link:label id="lab_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepaymentInExcessOfThresholdAmount_documentation_en-US" xlink:label="lab_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepaymentInExcessOfThresholdAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Covenant, Percentage Of Net Proceeds From Sale Of Facilities To Be Used For Repayment, In Excess Of Threshold Amount </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepaymentInExcessOfThresholdAmount" xlink:href="acb-20210630.xsd#acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepaymentInExcessOfThresholdAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepaymentInExcessOfThresholdAmount" xlink:to="lab_acb_BorrowingsCovenantPercentageOfNetProceedsFromSaleOfFacilitiesToBeUsedForRepaymentInExcessOfThresholdAmount" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_6a51468b-28db-42dc-a598-0a2c0d964d77_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of Detailed Information About Convertible Debentures </link:label>
<link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of detailed information about borrowings [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_acb_StatementofcashflowsadditionaldisclosuresAbstract_645c377c-64f2-4c96-891f-8afc334a8092_terseLabel_en-US" xlink:label="lab_acb_StatementofcashflowsadditionaldisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of cash flows, additional disclosures [Abstract] </link:label>
<link:label id="lab_acb_StatementofcashflowsadditionaldisclosuresAbstract_label_en-US" xlink:label="lab_acb_StatementofcashflowsadditionaldisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of cash flows, additional disclosures [Abstract] </link:label>
<link:label id="lab_acb_StatementofcashflowsadditionaldisclosuresAbstract_documentation_en-US" xlink:label="lab_acb_StatementofcashflowsadditionaldisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of cash flows, additional disclosures [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_StatementofcashflowsadditionaldisclosuresAbstract" xlink:href="acb-20210630.xsd#acb_StatementofcashflowsadditionaldisclosuresAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_StatementofcashflowsadditionaldisclosuresAbstract" xlink:to="lab_acb_StatementofcashflowsadditionaldisclosuresAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AtTheMarketSupplementAdditionalAmountAllowedCommonShares_7cf7b2f1-eb24-45ef-907f-07c5c9cbffa9_terseLabel_en-US" xlink:label="lab_acb_AtTheMarketSupplementAdditionalAmountAllowedCommonShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> ATM supplement, additional amount allowed, common shares </link:label>
<link:label id="lab_acb_AtTheMarketSupplementAdditionalAmountAllowedCommonShares_label_en-US" xlink:label="lab_acb_AtTheMarketSupplementAdditionalAmountAllowedCommonShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> At-The-Market Supplement, Additional Amount Allowed, Common Shares </link:label>
<link:label id="lab_acb_AtTheMarketSupplementAdditionalAmountAllowedCommonShares_documentation_en-US" xlink:label="lab_acb_AtTheMarketSupplementAdditionalAmountAllowedCommonShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> At-The-Market Supplement, Additional Amount Allowed, Common Shares </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AtTheMarketSupplementAdditionalAmountAllowedCommonShares" xlink:href="acb-20210630.xsd#acb_AtTheMarketSupplementAdditionalAmountAllowedCommonShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AtTheMarketSupplementAdditionalAmountAllowedCommonShares" xlink:to="lab_acb_AtTheMarketSupplementAdditionalAmountAllowedCommonShares" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseInContingentConsiderationAssetLiability_58056718-6583-484f-a13e-0b05026f281d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInContingentConsiderationAssetLiability" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized gain (loss) on changes in contingent consideration fair value </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseInContingentConsiderationAssetLiability_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInContingentConsiderationAssetLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) in contingent consideration asset (liability) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInContingentConsiderationAssetLiability" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInContingentConsiderationAssetLiability"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInContingentConsiderationAssetLiability" xlink:to="lab_ifrs-full_IncreaseDecreaseInContingentConsiderationAssetLiability" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities_6a2ad2aa-0a43-4e5f-9950-a58fd9717dca_terseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Percentage of reasonably possible decrease in unobservable input, liabilities </link:label>
<link:label id="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities_label_en-US" xlink:label="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Percentage of reasonably possible decrease in unobservable input, liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:to="lab_ifrs-full_PercentageOfReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DecreaseThroughRepaymentFinancialAssets_ec9774d2-7520-474f-b5eb-995b03f68dfb_negatedTerseLabel_en-US" xlink:label="lab_acb_DecreaseThroughRepaymentFinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Repayment </link:label>
<link:label id="lab_acb_DecreaseThroughRepaymentFinancialAssets_label_en-US" xlink:label="lab_acb_DecreaseThroughRepaymentFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Decrease Through Repayment, Financial Assets </link:label>
<link:label id="lab_acb_DecreaseThroughRepaymentFinancialAssets_documentation_en-US" xlink:label="lab_acb_DecreaseThroughRepaymentFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Decrease Through Repayment, Financial Assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DecreaseThroughRepaymentFinancialAssets" xlink:href="acb-20210630.xsd#acb_DecreaseThroughRepaymentFinancialAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DecreaseThroughRepaymentFinancialAssets" xlink:to="lab_acb_DecreaseThroughRepaymentFinancialAssets" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill_185b2d16-ae2f-468f-a970-dc091066534d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment </link:label>
<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill_19c51d79-a9fc-4d8f-918e-598bb778d1f2_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment loss recognised in profit or loss, intangible assets and goodwill </link:label>
<link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment loss recognised in profit or loss, intangible assets and goodwill </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GainsLossesRecognisedWhenControlInSubsidiaryIsLost_98520558-e3f9-4507-aa61-ecc2c16a41e3_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedWhenControlInSubsidiaryIsLost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gain on loss of control of subsidiary </link:label>
<link:label id="lab_ifrs-full_GainsLossesRecognisedWhenControlInSubsidiaryIsLost_label_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedWhenControlInSubsidiaryIsLost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (losses) recognised when control of subsidiary is lost </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesRecognisedWhenControlInSubsidiaryIsLost" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesRecognisedWhenControlInSubsidiaryIsLost"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesRecognisedWhenControlInSubsidiaryIsLost" xlink:to="lab_ifrs-full_GainsLossesRecognisedWhenControlInSubsidiaryIsLost" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_MeasurementAxis_9d41e753-ffd5-4bc8-b9f1-e74e394d8ff2_terseLabel_en-US" xlink:label="lab_ifrs-full_MeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Measurement [axis] </link:label>
<link:label id="lab_ifrs-full_MeasurementAxis_label_en-US" xlink:label="lab_ifrs-full_MeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Measurement [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MeasurementAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_MeasurementAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MeasurementAxis" xlink:to="lab_ifrs-full_MeasurementAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExeterPropertyMember_23c9684e-617c-47f9-84cd-86a82a1ae514_terseLabel_en-US" xlink:label="lab_acb_ExeterPropertyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exeter Property </link:label>
<link:label id="lab_acb_ExeterPropertyMember_label_en-US" xlink:label="lab_acb_ExeterPropertyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exeter Property [Member] </link:label>
<link:label id="lab_acb_ExeterPropertyMember_documentation_en-US" xlink:label="lab_acb_ExeterPropertyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exeter Property [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExeterPropertyMember" xlink:href="acb-20210630.xsd#acb_ExeterPropertyMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExeterPropertyMember" xlink:to="lab_acb_ExeterPropertyMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract_293e66cc-f383-46d6-9f2d-e54580a00d07_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Comprehensive loss attributable to: </link:label>
<link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Comprehensive income attributable to [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComprehensiveIncomeAttributableToAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DepreciationExpenseRecognisedInCostOfGoodsSold_58e484ba-7542-4f92-9306-95e65540816b_terseLabel_en-US" xlink:label="lab_acb_DepreciationExpenseRecognisedInCostOfGoodsSold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Depreciation expense recognized in cost of goods sold </link:label>
<link:label id="lab_acb_DepreciationExpenseRecognisedInCostOfGoodsSold_label_en-US" xlink:label="lab_acb_DepreciationExpenseRecognisedInCostOfGoodsSold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Depreciation Expense Recognised In Cost Of Goods Sold </link:label>
<link:label id="lab_acb_DepreciationExpenseRecognisedInCostOfGoodsSold_documentation_en-US" xlink:label="lab_acb_DepreciationExpenseRecognisedInCostOfGoodsSold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Depreciation Expense Recognised In Cost Of Goods Sold </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DepreciationExpenseRecognisedInCostOfGoodsSold" xlink:href="acb-20210630.xsd#acb_DepreciationExpenseRecognisedInCostOfGoodsSold"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DepreciationExpenseRecognisedInCostOfGoodsSold" xlink:to="lab_acb_DepreciationExpenseRecognisedInCostOfGoodsSold" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_Merchandise_3e193392-8574-4c11-960a-ab21bcffeed4_terseLabel_en-US" xlink:label="lab_ifrs-full_Merchandise" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Merchandise and accessories </link:label>
<link:label id="lab_ifrs-full_Merchandise_label_en-US" xlink:label="lab_ifrs-full_Merchandise" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current merchandise </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Merchandise" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Merchandise"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Merchandise" xlink:to="lab_ifrs-full_Merchandise" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CounterpartiesAxis_af879149-7ba8-4afa-b147-f221f817a723_terseLabel_en-US" xlink:label="lab_ifrs-full_CounterpartiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Counterparties [axis] </link:label>
<link:label id="lab_ifrs-full_CounterpartiesAxis_label_en-US" xlink:label="lab_ifrs-full_CounterpartiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Counterparties [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CounterpartiesAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CounterpartiesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CounterpartiesAxis" xlink:to="lab_ifrs-full_CounterpartiesAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AuroraLarssenProjectsInc.Member_e8ff910c-c476-427e-8eda-885db5b24807_terseLabel_en-US" xlink:label="lab_acb_AuroraLarssenProjectsInc.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Aurora Larssen Projects Inc. </link:label>
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<link:label id="lab_ifrs-full_IssuedCapital_ca646ff5-4071-4842-8fa8-28006aabafc6_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share capital </link:label>
<link:label id="lab_ifrs-full_IssuedCapital_label_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Issued capital </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapital" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssuedCapital"/>
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<link:label id="lab_acb_WarrantsReceivedPercentageOfCommonSharesIssuedAndOutstanding_e2c516a8-7370-4bc4-90da-6a1268a25ab4_terseLabel_en-US" xlink:label="lab_acb_WarrantsReceivedPercentageOfCommonSharesIssuedAndOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants received, percentage of common shares issued and outstanding </link:label>
<link:label id="lab_acb_WarrantsReceivedPercentageOfCommonSharesIssuedAndOutstanding_label_en-US" xlink:label="lab_acb_WarrantsReceivedPercentageOfCommonSharesIssuedAndOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants Received, Percentage Of Common Shares Issued And Outstanding </link:label>
<link:label id="lab_acb_WarrantsReceivedPercentageOfCommonSharesIssuedAndOutstanding_documentation_en-US" xlink:label="lab_acb_WarrantsReceivedPercentageOfCommonSharesIssuedAndOutstanding" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Warrants Received, Percentage Of Common Shares Issued And Outstanding On Date Of First Exercise </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_WarrantsReceivedPercentageOfCommonSharesIssuedAndOutstanding" xlink:href="acb-20210630.xsd#acb_WarrantsReceivedPercentageOfCommonSharesIssuedAndOutstanding"/>
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<link:label id="lab_acb_NumberOfWarrantsExercisedInShareBasedPaymentArrangement_eed18a08-f643-44dd-b9d6-a72285e7b9cf_terseLabel_en-US" xlink:label="lab_acb_NumberOfWarrantsExercisedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Exercise of warrants (in shares) </link:label>
<link:label id="lab_acb_NumberOfWarrantsExercisedInShareBasedPaymentArrangement_label_en-US" xlink:label="lab_acb_NumberOfWarrantsExercisedInShareBasedPaymentArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Warrants Exercised In Share-Based Payment Arrangement </link:label>
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<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTransactionsWithNoncontrollingInterestsExplanatory_656348a4-2cf2-4cb7-9ea4-1e6e44d625ec_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTransactionsWithNoncontrollingInterestsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Non-Controlling Interests </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForTransactionsWithNoncontrollingInterestsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTransactionsWithNoncontrollingInterestsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for transactions with non-controlling interests [text block] </link:label>
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<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfCommonSharesPerUnit_c699eb30-320f-4cf6-a1d3-b0fdd47d80d3_verboseLabel_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfCommonSharesPerUnit" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number of common shares in each unit </link:label>
<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfCommonSharesPerUnit_label_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfCommonSharesPerUnit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Composition Of Financial Assets Purchased, Number Of Common Shares Per Unit </link:label>
<link:label id="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfCommonSharesPerUnit_documentation_en-US" xlink:label="lab_acb_CompositionOfFinancialAssetsPurchasedNumberOfCommonSharesPerUnit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Composition Of Financial Assets Purchased, Number Of Common Shares Per Unit </link:label>
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<link:label id="lab_acb_June2019DebenturesAndNovember2019DebenturesMember_ad29bda5-6b96-4e4e-b8fc-a0f380f3ebee_terseLabel_en-US" xlink:label="lab_acb_June2019DebenturesAndNovember2019DebenturesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> June 2019 Debentures And November 2019 Debentures </link:label>
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<link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis_f0cb80a0-b001-491a-991b-aaf4e51ea017_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Subsidiaries [axis] </link:label>
<link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis_label_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Subsidiaries [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis"/>
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<link:label id="lab_acb_PaymentsToTerminateSponsorshipAndLicensingFees_755a3561-92f2-4785-8927-7fba48920c8c_terseLabel_en-US" xlink:label="lab_acb_PaymentsToTerminateSponsorshipAndLicensingFees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected payments to terminate contractual capital commitments </link:label>
<link:label id="lab_acb_PaymentsToTerminateSponsorshipAndLicensingFees_label_en-US" xlink:label="lab_acb_PaymentsToTerminateSponsorshipAndLicensingFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payments To Terminate Sponsorship And Licensing Fees </link:label>
<link:label id="lab_acb_PaymentsToTerminateSponsorshipAndLicensingFees_documentation_en-US" xlink:label="lab_acb_PaymentsToTerminateSponsorshipAndLicensingFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payments To Terminate Sponsorship And Licensing Fees </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_PaymentsToTerminateSponsorshipAndLicensingFees" xlink:href="acb-20210630.xsd#acb_PaymentsToTerminateSponsorshipAndLicensingFees"/>
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<link:label id="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember_e21654b2-b37f-4e94-bf32-c7a70406a865_terseLabel_en-US" xlink:label="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges of exercise prices for outstanding share options [member] </link:label>
<link:label id="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember_label_en-US" xlink:label="lab_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges of exercise prices for outstanding share options [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember"/>
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<link:label id="lab_ifrs-full_UnobservableInputsAxis_9add4f3f-da14-4816-a954-6bf8be32c420_terseLabel_en-US" xlink:label="lab_ifrs-full_UnobservableInputsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unobservable inputs [axis] </link:label>
<link:label id="lab_ifrs-full_UnobservableInputsAxis_label_en-US" xlink:label="lab_ifrs-full_UnobservableInputsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unobservable inputs [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnobservableInputsAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_UnobservableInputsAxis"/>
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<link:label id="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019_ed623ed6-44ca-489b-8cb5-a38b8fe44ad6_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise (in CAD per share) </link:label>
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<link:label id="lab_ifrs-full_ProfessionalFeesExpense_f0228108-d0ab-4712-a029-707fad931155_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfessionalFeesExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Service fees </link:label>
<link:label id="lab_ifrs-full_ProfessionalFeesExpense_label_en-US" xlink:label="lab_ifrs-full_ProfessionalFeesExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Professional fees expense </link:label>
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<link:label id="lab_ifrs-full_LegalProceedingsProvision_accaf7e6-dc02-4096-ad9e-70e8d8804742_terseLabel_en-US" xlink:label="lab_ifrs-full_LegalProceedingsProvision" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal proceedings provision </link:label>
<link:label id="lab_ifrs-full_LegalProceedingsProvision_label_en-US" xlink:label="lab_ifrs-full_LegalProceedingsProvision" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Legal proceedings provision </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LegalProceedingsProvision" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LegalProceedingsProvision"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LegalProceedingsProvision" xlink:to="lab_ifrs-full_LegalProceedingsProvision" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GoodwillRecognisedAsOfAcquisitionDateProvisionalAllocationAtAcquisition_277b4252-62d4-4222-9e8d-6b148aef5231_verboseLabel_en-US" xlink:label="lab_acb_GoodwillRecognisedAsOfAcquisitionDateProvisionalAllocationAtAcquisition" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill </link:label>
<link:label id="lab_acb_GoodwillRecognisedAsOfAcquisitionDateProvisionalAllocationAtAcquisition_label_en-US" xlink:label="lab_acb_GoodwillRecognisedAsOfAcquisitionDateProvisionalAllocationAtAcquisition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill Recognised As Of Acquisition Date, Provisional Allocation At Acquisition </link:label>
<link:label id="lab_acb_GoodwillRecognisedAsOfAcquisitionDateProvisionalAllocationAtAcquisition_documentation_en-US" xlink:label="lab_acb_GoodwillRecognisedAsOfAcquisitionDateProvisionalAllocationAtAcquisition" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill Recognised As Of Acquisition Date, Provisional Allocation At Acquisition </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GoodwillRecognisedAsOfAcquisitionDateProvisionalAllocationAtAcquisition" xlink:href="acb-20210630.xsd#acb_GoodwillRecognisedAsOfAcquisitionDateProvisionalAllocationAtAcquisition"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_GoodwillRecognisedAsOfAcquisitionDateProvisionalAllocationAtAcquisition" xlink:to="lab_acb_GoodwillRecognisedAsOfAcquisitionDateProvisionalAllocationAtAcquisition" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CurrentReceivablesFromSaleOfInvestmentsInSubsidiaries_161a205d-5cea-4b5d-8ee8-773ab739b180_terseLabel_en-US" xlink:label="lab_acb_CurrentReceivablesFromSaleOfInvestmentsInSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Consideration receivable from divestiture </link:label>
<link:label id="lab_acb_CurrentReceivablesFromSaleOfInvestmentsInSubsidiaries_label_en-US" xlink:label="lab_acb_CurrentReceivablesFromSaleOfInvestmentsInSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current Receivables From Sale Of Investments In Subsidiaries </link:label>
<link:label id="lab_acb_CurrentReceivablesFromSaleOfInvestmentsInSubsidiaries_documentation_en-US" xlink:label="lab_acb_CurrentReceivablesFromSaleOfInvestmentsInSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current Receivables From Sale Of Investments In Subsidiaries </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CurrentReceivablesFromSaleOfInvestmentsInSubsidiaries" xlink:href="acb-20210630.xsd#acb_CurrentReceivablesFromSaleOfInvestmentsInSubsidiaries"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CurrentReceivablesFromSaleOfInvestmentsInSubsidiaries" xlink:to="lab_acb_CurrentReceivablesFromSaleOfInvestmentsInSubsidiaries" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_RecipesFormulaeModelsDesignsAndPrototypesMember_e7590bde-be7e-4fec-8888-654150f85f4b_terseLabel_en-US" xlink:label="lab_ifrs-full_RecipesFormulaeModelsDesignsAndPrototypesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intellectual property and know-how </link:label>
<link:label id="lab_ifrs-full_RecipesFormulaeModelsDesignsAndPrototypesMember_label_en-US" xlink:label="lab_ifrs-full_RecipesFormulaeModelsDesignsAndPrototypesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Recipes, formulae, models, designs and prototypes [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RecipesFormulaeModelsDesignsAndPrototypesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RecipesFormulaeModelsDesignsAndPrototypesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RecipesFormulaeModelsDesignsAndPrototypesMember" xlink:to="lab_ifrs-full_RecipesFormulaeModelsDesignsAndPrototypesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_UruguayPropertiesMember_0c419287-b969-47f5-87b6-c74ad9479a04_terseLabel_en-US" xlink:label="lab_acb_UruguayPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Uruguay Properties </link:label>
<link:label id="lab_acb_UruguayPropertiesMember_label_en-US" xlink:label="lab_acb_UruguayPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Uruguay Properties [Member] </link:label>
<link:label id="lab_acb_UruguayPropertiesMember_documentation_en-US" xlink:label="lab_acb_UruguayPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Uruguay Properties </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_UruguayPropertiesMember" xlink:href="acb-20210630.xsd#acb_UruguayPropertiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_UruguayPropertiesMember" xlink:to="lab_acb_UruguayPropertiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_NotLaterThanOneYearMember_90e6858a-a5dd-4cc9-b974-21e55a1cd427_verboseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Next 12 months </link:label>
<link:label id="lab_ifrs-full_NotLaterThanOneYearMember_6ea0f0a9-b6e9-406b-a0b4-2b34635a91ec_terseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Next 12 months </link:label>
<link:label id="lab_ifrs-full_NotLaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Not later than one year [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotLaterThanOneYearMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NotLaterThanOneYearMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotLaterThanOneYearMember" xlink:to="lab_ifrs-full_NotLaterThanOneYearMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember_0391b0ae-3b3f-43a0-9b81-bd87df6cc12f_terseLabel_en-US" xlink:label="lab_ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Point-in-time </link:label>
<link:label id="lab_ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember_label_en-US" xlink:label="lab_ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goods or services transferred at point in time [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember" xlink:to="lab_ifrs-full_GoodsOrServicesTransferredAtPointInTimeMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DividendYieldMeasurementInputMember_04ba85a6-6ae7-4953-88e5-2a7eeb73259b_terseLabel_en-US" xlink:label="lab_acb_DividendYieldMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Dividend yield </link:label>
<link:label id="lab_acb_DividendYieldMeasurementInputMember_label_en-US" xlink:label="lab_acb_DividendYieldMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Dividend Yield, Measurement Input [Member] </link:label>
<link:label id="lab_acb_DividendYieldMeasurementInputMember_documentation_en-US" xlink:label="lab_acb_DividendYieldMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Dividend Yield, Measurement Input [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DividendYieldMeasurementInputMember" xlink:href="acb-20210630.xsd#acb_DividendYieldMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DividendYieldMeasurementInputMember" xlink:to="lab_acb_DividendYieldMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_GrossProceedsFromIssuingShares_0b748ebc-31e5-4bdb-a4de-43248cb09f11_terseLabel_en-US" xlink:label="lab_acb_GrossProceedsFromIssuingShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross proceeds from issuing shares </link:label>
<link:label id="lab_acb_GrossProceedsFromIssuingShares_label_en-US" xlink:label="lab_acb_GrossProceedsFromIssuingShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross Proceeds from Issuing Shares </link:label>
<link:label id="lab_acb_GrossProceedsFromIssuingShares_documentation_en-US" xlink:label="lab_acb_GrossProceedsFromIssuingShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross Proceeds from Issuing Shares </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_GrossProceedsFromIssuingShares" xlink:href="acb-20210630.xsd#acb_GrossProceedsFromIssuingShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_GrossProceedsFromIssuingShares" xlink:to="lab_acb_GrossProceedsFromIssuingShares" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParent_0286dc8a-00fb-4d3d-8425-1ff275a47e69_totalLabel_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total equity attributable to Aurora shareholders </link:label>
<link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Equity attributable to owners of parent </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAttributableToOwnersOfParent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ObligationsForReturnsRefundsAndOtherSimilarObligations_5c994d4b-bf68-4a8d-b6d5-840b408ed12f_terseLabel_en-US" xlink:label="lab_acb_ObligationsForReturnsRefundsAndOtherSimilarObligations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Return liability for estimated variable revenue consideration </link:label>
<link:label id="lab_acb_ObligationsForReturnsRefundsAndOtherSimilarObligations_label_en-US" xlink:label="lab_acb_ObligationsForReturnsRefundsAndOtherSimilarObligations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Obligations For Returns, Refunds And Other Similar Obligations </link:label>
<link:label id="lab_acb_ObligationsForReturnsRefundsAndOtherSimilarObligations_documentation_en-US" xlink:label="lab_acb_ObligationsForReturnsRefundsAndOtherSimilarObligations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Obligations For Returns, Refunds And Other Similar Obligations </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ObligationsForReturnsRefundsAndOtherSimilarObligations" xlink:href="acb-20210630.xsd#acb_ObligationsForReturnsRefundsAndOtherSimilarObligations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ObligationsForReturnsRefundsAndOtherSimilarObligations" xlink:to="lab_acb_ObligationsForReturnsRefundsAndOtherSimilarObligations" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsRedemptionPeriodAxis_df3edfcf-bd39-466d-8332-07d996afefeb_terseLabel_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Redemption, Period [Axis] </link:label>
<link:label id="lab_acb_BorrowingsRedemptionPeriodAxis_label_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Redemption, Period [Axis] </link:label>
<link:label id="lab_acb_BorrowingsRedemptionPeriodAxis_documentation_en-US" xlink:label="lab_acb_BorrowingsRedemptionPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Redemption, Period [Axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsRedemptionPeriodAxis" xlink:href="acb-20210630.xsd#acb_BorrowingsRedemptionPeriodAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsRedemptionPeriodAxis" xlink:to="lab_acb_BorrowingsRedemptionPeriodAxis" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AccountsPayableAndAccruedLiabilities1Member_7b62652c-b8af-443f-ba19-7a4d14f076c9_terseLabel_en-US" xlink:label="lab_acb_AccountsPayableAndAccruedLiabilities1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts payable and accrued liabilities </link:label>
<link:label id="lab_acb_AccountsPayableAndAccruedLiabilities1Member_label_en-US" xlink:label="lab_acb_AccountsPayableAndAccruedLiabilities1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts Payable And Accrued Liabilities1 [Member] </link:label>
<link:label id="lab_acb_AccountsPayableAndAccruedLiabilities1Member_documentation_en-US" xlink:label="lab_acb_AccountsPayableAndAccruedLiabilities1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts Payable And Accrued Liabilities1 [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AccountsPayableAndAccruedLiabilities1Member" xlink:href="acb-20210630.xsd#acb_AccountsPayableAndAccruedLiabilities1Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AccountsPayableAndAccruedLiabilities1Member" xlink:to="lab_acb_AccountsPayableAndAccruedLiabilities1Member" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsLineItems_39a08861-ad1f-4a80-abd9-ab9ca3bf6ec5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of number and weighted average remaining contractual life of outstanding share options [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of number and weighted average remaining contractual life of outstanding share options [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsLineItems" xlink:to="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ConsiderationTransferredAcquisitionDateFairValueProvisionalAllocationAtAcquisition_ace15b3f-b681-4c82-98f1-da7e2779644a_terseLabel_en-US" xlink:label="lab_acb_ConsiderationTransferredAcquisitionDateFairValueProvisionalAllocationAtAcquisition" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Consideration payable </link:label>
<link:label id="lab_acb_ConsiderationTransferredAcquisitionDateFairValueProvisionalAllocationAtAcquisition_label_en-US" xlink:label="lab_acb_ConsiderationTransferredAcquisitionDateFairValueProvisionalAllocationAtAcquisition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Consideration Transferred, Acquisition-Date Fair Value, Provisional Allocation At Acquisition </link:label>
<link:label id="lab_acb_ConsiderationTransferredAcquisitionDateFairValueProvisionalAllocationAtAcquisition_documentation_en-US" xlink:label="lab_acb_ConsiderationTransferredAcquisitionDateFairValueProvisionalAllocationAtAcquisition" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Consideration Transferred, Acquisition-Date Fair Value, Provisional Allocation At Acquisition </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ConsiderationTransferredAcquisitionDateFairValueProvisionalAllocationAtAcquisition" xlink:href="acb-20210630.xsd#acb_ConsiderationTransferredAcquisitionDateFairValueProvisionalAllocationAtAcquisition"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ConsiderationTransferredAcquisitionDateFairValueProvisionalAllocationAtAcquisition" xlink:to="lab_acb_ConsiderationTransferredAcquisitionDateFairValueProvisionalAllocationAtAcquisition" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_Equity_636f35b8-de9a-4c48-a08e-fcc81e96ac43_totalLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Total equity </link:label>
<link:label id="lab_ifrs-full_Equity_e0fab7af-c361-48c3-8e2b-e9c08b1f20c7_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Beginning balance </link:label>
<link:label id="lab_ifrs-full_Equity_de4254fd-8f33-4c47-81da-051288217217_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ending balance </link:label>
<link:label id="lab_ifrs-full_Equity_13987dcd-ca5c-4386-b5bb-1a2faf2bf9ab_terseLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Equity </link:label>
<link:label id="lab_ifrs-full_Equity_label_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Equity </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Equity"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Equity" xlink:to="lab_ifrs-full_Equity" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentNotesAndDebenturesIssuedAndCurrentPortionOfNoncurrentNotesAndDebenturesIssued_0dce7984-47d0-484c-8fcb-b43f7292edc6_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentNotesAndDebenturesIssuedAndCurrentPortionOfNoncurrentNotesAndDebenturesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible debentures </link:label>
<link:label id="lab_ifrs-full_CurrentNotesAndDebenturesIssuedAndCurrentPortionOfNoncurrentNotesAndDebenturesIssued_d0d97e00-2781-40f6-86f8-1df53eaa09a1_negatedLabel_en-US" xlink:label="lab_ifrs-full_CurrentNotesAndDebenturesIssuedAndCurrentPortionOfNoncurrentNotesAndDebenturesIssued" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current portion </link:label>
<link:label id="lab_ifrs-full_CurrentNotesAndDebenturesIssuedAndCurrentPortionOfNoncurrentNotesAndDebenturesIssued_label_en-US" xlink:label="lab_ifrs-full_CurrentNotesAndDebenturesIssuedAndCurrentPortionOfNoncurrentNotesAndDebenturesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current notes and debentures issued and current portion of non-current notes and debentures issued </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentNotesAndDebenturesIssuedAndCurrentPortionOfNoncurrentNotesAndDebenturesIssued" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentNotesAndDebenturesIssuedAndCurrentPortionOfNoncurrentNotesAndDebenturesIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentNotesAndDebenturesIssuedAndCurrentPortionOfNoncurrentNotesAndDebenturesIssued" xlink:to="lab_ifrs-full_CurrentNotesAndDebenturesIssuedAndCurrentPortionOfNoncurrentNotesAndDebenturesIssued" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AcquisitionDateAcquisitionrelatedCostsRecognizedasExpenseAbstract_48fbe95f-832e-43b4-b11c-ed155d1f8e63_terseLabel_en-US" xlink:label="lab_acb_AcquisitionDateAcquisitionrelatedCostsRecognizedasExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition costs expensed </link:label>
<link:label id="lab_acb_AcquisitionDateAcquisitionrelatedCostsRecognizedasExpenseAbstract_label_en-US" xlink:label="lab_acb_AcquisitionDateAcquisitionrelatedCostsRecognizedasExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition-Date Acquisition-related Costs Recognized as Expense [Abstract] </link:label>
<link:label id="lab_acb_AcquisitionDateAcquisitionrelatedCostsRecognizedasExpenseAbstract_documentation_en-US" xlink:label="lab_acb_AcquisitionDateAcquisitionrelatedCostsRecognizedasExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Acquisition-Date Acquisition-related Costs Recognized as Expense [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AcquisitionDateAcquisitionrelatedCostsRecognizedasExpenseAbstract" xlink:href="acb-20210630.xsd#acb_AcquisitionDateAcquisitionrelatedCostsRecognizedasExpenseAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AcquisitionDateAcquisitionrelatedCostsRecognizedasExpenseAbstract" xlink:to="lab_acb_AcquisitionDateAcquisitionrelatedCostsRecognizedasExpenseAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_CanvasRxInc.Member_d84fdfc1-fd5d-4280-86b6-e27e11b44508_verboseLabel_en-US" xlink:label="lab_acb_CanvasRxInc.Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> CanvasRx </link:label>
<link:label id="lab_acb_CanvasRxInc.Member_label_en-US" xlink:label="lab_acb_CanvasRxInc.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> CanvasRx Inc. [Member] </link:label>
<link:label id="lab_acb_CanvasRxInc.Member_documentation_en-US" xlink:label="lab_acb_CanvasRxInc.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> CanvasRx Inc. [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_CanvasRxInc.Member" xlink:href="acb-20210630.xsd#acb_CanvasRxInc.Member"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_CanvasRxInc.Member" xlink:to="lab_acb_CanvasRxInc.Member" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ImpactsOfForeignExchangeOnIntercompanyBalancesToForeignExchangeOnCashAndCashEquivalentsMember_0f4851c6-2eca-405c-b53a-5c912d320867_terseLabel_en-US" xlink:label="lab_acb_ImpactsOfForeignExchangeOnIntercompanyBalancesToForeignExchangeOnCashAndCashEquivalentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impacts of Foreign Exchange on Intercompany Balances to Foreign Exchange on Cash and Cash Equivalents </link:label>
<link:label id="lab_acb_ImpactsOfForeignExchangeOnIntercompanyBalancesToForeignExchangeOnCashAndCashEquivalentsMember_label_en-US" xlink:label="lab_acb_ImpactsOfForeignExchangeOnIntercompanyBalancesToForeignExchangeOnCashAndCashEquivalentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impacts Of Foreign Exchange On Intercompany Balances To Foreign Exchange On Cash And Cash Equivalents [Member] </link:label>
<link:label id="lab_acb_ImpactsOfForeignExchangeOnIntercompanyBalancesToForeignExchangeOnCashAndCashEquivalentsMember_documentation_en-US" xlink:label="lab_acb_ImpactsOfForeignExchangeOnIntercompanyBalancesToForeignExchangeOnCashAndCashEquivalentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impacts Of Foreign Exchange On Intercompany Balances To Foreign Exchange On Cash And Cash Equivalents </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ImpactsOfForeignExchangeOnIntercompanyBalancesToForeignExchangeOnCashAndCashEquivalentsMember" xlink:href="acb-20210630.xsd#acb_ImpactsOfForeignExchangeOnIntercompanyBalancesToForeignExchangeOnCashAndCashEquivalentsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ImpactsOfForeignExchangeOnIntercompanyBalancesToForeignExchangeOnCashAndCashEquivalentsMember" xlink:to="lab_acb_ImpactsOfForeignExchangeOnIntercompanyBalancesToForeignExchangeOnCashAndCashEquivalentsMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory_1b346347-7444-4cb2-9c04-466518a78e6b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Range of Exercise Prices of Outstanding Share Options </link:label>
<link:label id="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of range of exercise prices of outstanding share options [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CarryingAmountMember_9c5c6ab6-ae30-4e5f-8552-0a5035ed1945_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Carrying amount [member] </link:label>
<link:label id="lab_ifrs-full_CarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Carrying amount [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CarryingAmountMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountMember" xlink:to="lab_ifrs-full_CarryingAmountMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables_8e5f1c59-fc25-4f75-b70b-351b05679304_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts receivable </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for decrease (increase) in trade and other receivables </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill_ed39a2b0-d3d2-428e-b869-04285510e21d_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets </link:label>
<link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets other than goodwill </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentTaxExpenseIncome_de54524a-21d6-4e1a-b25c-dd41eb0ef02d_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current </link:label>
<link:label id="lab_ifrs-full_CurrentTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current tax expense (income) </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxExpenseIncome" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentTaxExpenseIncome"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxExpenseIncome" xlink:to="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ContingentConsiderationPayableMember_f99138bd-5e77-4c7d-ba63-a1e5956a2f10_terseLabel_en-US" xlink:label="lab_acb_ContingentConsiderationPayableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Contingent consideration payable </link:label>
<link:label id="lab_acb_ContingentConsiderationPayableMember_c7a896f8-4573-42cd-874d-904cc85ddd8b_verboseLabel_en-US" xlink:label="lab_acb_ContingentConsiderationPayableMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Contingent consideration payable </link:label>
<link:label id="lab_acb_ContingentConsiderationPayableMember_label_en-US" xlink:label="lab_acb_ContingentConsiderationPayableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Contingent Consideration Payable [Member] </link:label>
<link:label id="lab_acb_ContingentConsiderationPayableMember_documentation_en-US" xlink:label="lab_acb_ContingentConsiderationPayableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Contingent Consideration Payable [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ContingentConsiderationPayableMember" xlink:href="acb-20210630.xsd#acb_ContingentConsiderationPayableMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ContingentConsiderationPayableMember" xlink:to="lab_acb_ContingentConsiderationPayableMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsByNameMember_967feadc-3e2c-4f97-aa2f-5c351ee66149_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsByNameMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets By Name [Member] </link:label>
<link:label id="lab_acb_FinancialAssetsByNameMember_label_en-US" xlink:label="lab_acb_FinancialAssetsByNameMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets By Name [Member] </link:label>
<link:label id="lab_acb_FinancialAssetsByNameMember_documentation_en-US" xlink:label="lab_acb_FinancialAssetsByNameMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets By Name </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsByNameMember" xlink:href="acb-20210630.xsd#acb_FinancialAssetsByNameMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsByNameMember" xlink:to="lab_acb_FinancialAssetsByNameMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate_31c7a45d-9bce-485a-9973-2586842de3e4_terseLabel_en-US" xlink:label="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill </link:label>
<link:label id="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate_718eb9d9-9cb1-4de5-a52f-cc31dec58079_totalLabel_en-US" xlink:label="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill </link:label>
<link:label id="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Goodwill recognised as of acquisition date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GoodwillRecognisedAsOfAcquisitionDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory_cac19a45-aece-40e5-bd4f-fc428770290e_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments in Associates and Joint Ventures </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for investment in associates and joint ventures [text block] </link:label>
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<link:label id="lab_ifrs-full_CurrentExciseTaxPayables_a0f52d31-fdea-4d91-bdec-2501dbc575d0_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentExciseTaxPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Excise tax payable </link:label>
<link:label id="lab_ifrs-full_CurrentExciseTaxPayables_label_en-US" xlink:label="lab_ifrs-full_CurrentExciseTaxPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current excise tax payables </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentExciseTaxPayables" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentExciseTaxPayables"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentExciseTaxPayables" xlink:to="lab_ifrs-full_CurrentExciseTaxPayables" xlink:type="arc" order="1"/>
<link:label id="lab_acb_WeightedAverageExercisePriceOfWarrantsIssued_9cfda86c-fd67-4f73-b0e8-484b19b9ad67_terseLabel_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfWarrantsIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted average exercise price, issued (in CAD per share) </link:label>
<link:label id="lab_acb_WeightedAverageExercisePriceOfWarrantsIssued_label_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfWarrantsIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Exercise Price Of Warrants Issued </link:label>
<link:label id="lab_acb_WeightedAverageExercisePriceOfWarrantsIssued_documentation_en-US" xlink:label="lab_acb_WeightedAverageExercisePriceOfWarrantsIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Weighted Average Exercise Price Of Warrants Issued </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_WeightedAverageExercisePriceOfWarrantsIssued" xlink:href="acb-20210630.xsd#acb_WeightedAverageExercisePriceOfWarrantsIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_WeightedAverageExercisePriceOfWarrantsIssued" xlink:to="lab_acb_WeightedAverageExercisePriceOfWarrantsIssued" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DebtInstrumentCovenantComplianceMaximumFundedDebtToShareholdersEquityRatio_c71adde1-be17-4945-9257-bb707c19914c_terseLabel_en-US" xlink:label="lab_acb_DebtInstrumentCovenantComplianceMaximumFundedDebtToShareholdersEquityRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Funded debt to shareholders' equity ratio, maximum </link:label>
<link:label id="lab_acb_DebtInstrumentCovenantComplianceMaximumFundedDebtToShareholdersEquityRatio_label_en-US" xlink:label="lab_acb_DebtInstrumentCovenantComplianceMaximumFundedDebtToShareholdersEquityRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Instrument, Covenant Compliance, Maximum Funded Debt To Shareholders Equity Ratio </link:label>
<link:label id="lab_acb_DebtInstrumentCovenantComplianceMaximumFundedDebtToShareholdersEquityRatio_documentation_en-US" xlink:label="lab_acb_DebtInstrumentCovenantComplianceMaximumFundedDebtToShareholdersEquityRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Debt Instrument, Covenant Compliance, Maximum Funded Debt To Shareholders Equity Ratio </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DebtInstrumentCovenantComplianceMaximumFundedDebtToShareholdersEquityRatio" xlink:href="acb-20210630.xsd#acb_DebtInstrumentCovenantComplianceMaximumFundedDebtToShareholdersEquityRatio"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DebtInstrumentCovenantComplianceMaximumFundedDebtToShareholdersEquityRatio" xlink:to="lab_acb_DebtInstrumentCovenantComplianceMaximumFundedDebtToShareholdersEquityRatio" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_PastDueStatusMember_49ea8ad3-3e62-4fb1-aaef-5e2c311ed0f0_terseLabel_en-US" xlink:label="lab_ifrs-full_PastDueStatusMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Past due status [member] </link:label>
<link:label id="lab_ifrs-full_PastDueStatusMember_label_en-US" xlink:label="lab_ifrs-full_PastDueStatusMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Past due status [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PastDueStatusMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PastDueStatusMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastDueStatusMember" xlink:to="lab_ifrs-full_PastDueStatusMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncreaseDecreaseAssetsHeldForSaleForeignExchange_a974e342-b053-4bb8-ab22-89ff5083d7c2_terseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseAssetsHeldForSaleForeignExchange" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Foreign exchange </link:label>
<link:label id="lab_acb_IncreaseDecreaseAssetsHeldForSaleForeignExchange_label_en-US" xlink:label="lab_acb_IncreaseDecreaseAssetsHeldForSaleForeignExchange" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Assets Held For Sale Foreign Exchange </link:label>
<link:label id="lab_acb_IncreaseDecreaseAssetsHeldForSaleForeignExchange_documentation_en-US" xlink:label="lab_acb_IncreaseDecreaseAssetsHeldForSaleForeignExchange" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Assets Held For Sale Foreign Exchange </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseDecreaseAssetsHeldForSaleForeignExchange" xlink:href="acb-20210630.xsd#acb_IncreaseDecreaseAssetsHeldForSaleForeignExchange"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncreaseDecreaseAssetsHeldForSaleForeignExchange" xlink:to="lab_acb_IncreaseDecreaseAssetsHeldForSaleForeignExchange" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment_b60e56a7-47b7-4716-b7ae-4f20da97205c_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains on disposals of property, plant and equipment </link:label>
<link:label id="lab_ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (losses) on disposals of property, plant and equipment </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_GainsLossesOnDisposalsOfPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
<link:label id="lab_dei_LocalPhoneNumber_228f7bdb-ffbf-4b3c-9530-a6cfd3848d45_terseLabel_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Local Phone Number </link:label>
<link:label id="lab_dei_LocalPhoneNumber_label_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Local Phone Number </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_LocalPhoneNumber"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LocalPhoneNumber" xlink:to="lab_dei_LocalPhoneNumber" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsDomain_15d13f55-7af0-4647-a600-389623268dac_terseLabel_en-US" xlink:label="lab_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Statement, Balance Sheet And Additional Disclosures By Disposal Groups, Including Discontinued Operations [Domain] </link:label>
<link:label id="lab_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsDomain_label_en-US" xlink:label="lab_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Statement, Balance Sheet And Additional Disclosures By Disposal Groups, Including Discontinued Operations [Domain] </link:label>
<link:label id="lab_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsDomain_documentation_en-US" xlink:label="lab_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Statement, Balance Sheet And Additional Disclosures By Disposal Groups, Including Discontinued Operations [Domain] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsDomain" xlink:href="acb-20210630.xsd#acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsDomain"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsDomain" xlink:to="lab_acb_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsDomain" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AtTheMarketSupplementGrossProceeds_7a43fee6-925f-4663-8112-eb0f19f5304a_terseLabel_en-US" xlink:label="lab_acb_AtTheMarketSupplementGrossProceeds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gross proceeds </link:label>
<link:label id="lab_acb_AtTheMarketSupplementGrossProceeds_label_en-US" xlink:label="lab_acb_AtTheMarketSupplementGrossProceeds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> At-The-Market Supplement, Gross Proceeds </link:label>
<link:label id="lab_acb_AtTheMarketSupplementGrossProceeds_documentation_en-US" xlink:label="lab_acb_AtTheMarketSupplementGrossProceeds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> At-The-Market Supplement, Gross Proceeds </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AtTheMarketSupplementGrossProceeds" xlink:href="acb-20210630.xsd#acb_AtTheMarketSupplementGrossProceeds"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AtTheMarketSupplementGrossProceeds" xlink:to="lab_acb_AtTheMarketSupplementGrossProceeds" xlink:type="arc" order="1"/>
<link:label id="lab_acb_StockholdersEquityNoteStockSplitConversionRatio_9136d3aa-8c0c-40a4-86f5-62ac5f3bf424_terseLabel_en-US" xlink:label="lab_acb_StockholdersEquityNoteStockSplitConversionRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Stock split ratio </link:label>
<link:label id="lab_acb_StockholdersEquityNoteStockSplitConversionRatio_label_en-US" xlink:label="lab_acb_StockholdersEquityNoteStockSplitConversionRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Stockholders' Equity Note, Stock Split, Conversion Ratio </link:label>
<link:label id="lab_acb_StockholdersEquityNoteStockSplitConversionRatio_documentation_en-US" xlink:label="lab_acb_StockholdersEquityNoteStockSplitConversionRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Stockholders' Equity Note, Stock Split, Conversion Ratio </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_StockholdersEquityNoteStockSplitConversionRatio" xlink:href="acb-20210630.xsd#acb_StockholdersEquityNoteStockSplitConversionRatio"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_StockholdersEquityNoteStockSplitConversionRatio" xlink:to="lab_acb_StockholdersEquityNoteStockSplitConversionRatio" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsConvertibleIntoUnitsPricePerUnitAtConversion_868c4e1d-9bbd-410b-8fc8-fbb1ef7fa490_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsConvertibleIntoUnitsPricePerUnitAtConversion" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Convertible debenture convertible into units, price per unit (in CAD per share) </link:label>
<link:label id="lab_acb_FinancialAssetsConvertibleIntoUnitsPricePerUnitAtConversion_label_en-US" xlink:label="lab_acb_FinancialAssetsConvertibleIntoUnitsPricePerUnitAtConversion" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Convertible Into Units, Price Per Unit At Conversion </link:label>
<link:label id="lab_acb_FinancialAssetsConvertibleIntoUnitsPricePerUnitAtConversion_documentation_en-US" xlink:label="lab_acb_FinancialAssetsConvertibleIntoUnitsPricePerUnitAtConversion" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Convertible Into Units, Price Per Unit At Conversion </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsConvertibleIntoUnitsPricePerUnitAtConversion" xlink:href="acb-20210630.xsd#acb_FinancialAssetsConvertibleIntoUnitsPricePerUnitAtConversion"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsConvertibleIntoUnitsPricePerUnitAtConversion" xlink:to="lab_acb_FinancialAssetsConvertibleIntoUnitsPricePerUnitAtConversion" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_SignificantUnobservableInputAssets_6ee2d2f8-a621-4e4e-9fe9-be7819a1eeee_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Significant unobservable input, assets </link:label>
<link:label id="lab_ifrs-full_SignificantUnobservableInputAssets_label_en-US" xlink:label="lab_ifrs-full_SignificantUnobservableInputAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Significant unobservable input, assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantUnobservableInputAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SignificantUnobservableInputAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantUnobservableInputAssets" xlink:to="lab_ifrs-full_SignificantUnobservableInputAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsConvertibleDebenturesRollForward_00108816-a8bb-4a07-af22-e0f70d9a298d_terseLabel_en-US" xlink:label="lab_acb_BorrowingsConvertibleDebenturesRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible Debentures [Roll Forward] </link:label>
<link:label id="lab_acb_BorrowingsConvertibleDebenturesRollForward_label_en-US" xlink:label="lab_acb_BorrowingsConvertibleDebenturesRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible Debentures [Roll Forward] </link:label>
<link:label id="lab_acb_BorrowingsConvertibleDebenturesRollForward_documentation_en-US" xlink:label="lab_acb_BorrowingsConvertibleDebenturesRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible Debentures [Roll Forward] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsConvertibleDebenturesRollForward" xlink:href="acb-20210630.xsd#acb_BorrowingsConvertibleDebenturesRollForward"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsConvertibleDebenturesRollForward" xlink:to="lab_acb_BorrowingsConvertibleDebenturesRollForward" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NotionalAmountExtinguished_fe65d55f-cef6-4345-a781-dda41eabad5a_terseLabel_en-US" xlink:label="lab_acb_NotionalAmountExtinguished" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Notional amount extinguished </link:label>
<link:label id="lab_acb_NotionalAmountExtinguished_label_en-US" xlink:label="lab_acb_NotionalAmountExtinguished" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Notional Amount Extinguished </link:label>
<link:label id="lab_acb_NotionalAmountExtinguished_documentation_en-US" xlink:label="lab_acb_NotionalAmountExtinguished" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Notional Amount Extinguished </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NotionalAmountExtinguished" xlink:href="acb-20210630.xsd#acb_NotionalAmountExtinguished"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NotionalAmountExtinguished" xlink:to="lab_acb_NotionalAmountExtinguished" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_9b18382a-469c-4892-a760-c60a44fb2f74_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] </link:label>
<link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis"/>
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<link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwillMember_85b45462-d453-402e-9cd5-6d3cdcecb33d_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets and goodwill [member] </link:label>
<link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwillMember_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets and goodwill [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsAndGoodwillMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LeaseLiabilitiesMember_5efa3e97-277d-4d67-b182-e2147c8c3dbb_terseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease liabilities </link:label>
<link:label id="lab_ifrs-full_LeaseLiabilitiesMember_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease liabilities [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilitiesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LeaseLiabilitiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilitiesMember" xlink:to="lab_ifrs-full_LeaseLiabilitiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_StatementOfChangesInEquityAbstract_19d4d0ea-7665-4df8-ba15-dfd80d403803_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of changes in equity [abstract] </link:label>
<link:label id="lab_ifrs-full_StatementOfChangesInEquityAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Statement of changes in equity [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfChangesInEquityAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="lab_ifrs-full_StatementOfChangesInEquityAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill_368c1a90-0626-4ba0-80b3-2b673de19dad_negatedTerseLabel_en-US" xlink:label="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment of intangible assets and goodwill </link:label>
<link:label id="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill_fe6bd0d9-9626-457f-bf2e-764e628c3167_terseLabel_en-US" xlink:label="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment of intangible assets and goodwill </link:label>
<link:label id="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment Loss (Reversal Of Impairment Loss) Recognised In Profit Or Loss, Intangible Assets And Goodwill </link:label>
<link:label id="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill_documentation_en-US" xlink:label="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Impairment Loss (Reversal Of Impairment Loss) Recognised In Profit Or Loss, Intangible Assets And Goodwill </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:href="acb-20210630.xsd#acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:to="lab_acb_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
<link:label id="lab_dei_AddressTypeDomain_0bb3a69b-d7d3-48f8-b5b6-f7b52d372647_terseLabel_en-US" xlink:label="lab_dei_AddressTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Address Type [Domain] </link:label>
<link:label id="lab_dei_AddressTypeDomain_label_en-US" xlink:label="lab_dei_AddressTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Address Type [Domain] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_AddressTypeDomain" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_AddressTypeDomain"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AddressTypeDomain" xlink:to="lab_dei_AddressTypeDomain" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AssociatesMember_aca35f3e-7749-4334-87b5-f4e779aa1b35_terseLabel_en-US" xlink:label="lab_ifrs-full_AssociatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Investments in associates </link:label>
<link:label id="lab_ifrs-full_AssociatesMember_label_en-US" xlink:label="lab_ifrs-full_AssociatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Associates [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssociatesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AssociatesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssociatesMember" xlink:to="lab_ifrs-full_AssociatesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired_a17f0bc7-5d0c-4de9-97e1-c63687ef6a8c_terseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Percentage of voting equity interests acquired </link:label>
<link:label id="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired_label_en-US" xlink:label="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Percentage of voting equity interests acquired </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PercentageOfVotingEquityInterestsAcquired"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:to="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_EquityInterestsOfAcquirer_64342816-e827-411c-834b-2fc3de8e968a_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityInterestsOfAcquirer" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Common shares issued </link:label>
<link:label id="lab_ifrs-full_EquityInterestsOfAcquirer_label_en-US" xlink:label="lab_ifrs-full_EquityInterestsOfAcquirer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Equity interests of acquirer </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityInterestsOfAcquirer" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityInterestsOfAcquirer"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityInterestsOfAcquirer" xlink:to="lab_ifrs-full_EquityInterestsOfAcquirer" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncomeStatementLocationMember_743393df-2b8b-49ca-947f-a6dce708811b_terseLabel_en-US" xlink:label="lab_acb_IncomeStatementLocationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Statement Location [Member] </link:label>
<link:label id="lab_acb_IncomeStatementLocationMember_label_en-US" xlink:label="lab_acb_IncomeStatementLocationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Statement Location [Member] </link:label>
<link:label id="lab_acb_IncomeStatementLocationMember_documentation_en-US" xlink:label="lab_acb_IncomeStatementLocationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Income Statement Location </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_IncomeStatementLocationMember" xlink:href="acb-20210630.xsd#acb_IncomeStatementLocationMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_IncomeStatementLocationMember" xlink:to="lab_acb_IncomeStatementLocationMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate_a921b00c-6d82-4c4a-97e6-1da829e97c52_terseLabel_en-US" xlink:label="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventories </link:label>
<link:label id="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate_label_en-US" xlink:label="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventory recognised as of acquisition date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InventoryRecognisedAsOfAcquisitionDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:to="lab_ifrs-full_InventoryRecognisedAsOfAcquisitionDate" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_6442a484-4a08-44b1-882f-204dd4803aa0_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Leases </link:label>
<link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Description of accounting policy for leases [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_d3a577d1-b906-4afe-aae5-4b9a202c6957_negatedLabel_en-US" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share of net income (loss) </link:label>
<link:label id="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_label_en-US" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Share of profit (loss) of associates and joint ventures accounted for using equity method </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets_ee903a64-79c1-4eaf-9b2b-fc79329edb70_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Prepaids and other current assets </link:label>
<link:label id="lab_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Current prepayments and other current assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" xlink:to="lab_ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" xlink:type="arc" order="1"/>
<link:label id="lab_acb_InventoriesExtractedCannabisMember_063e4732-b551-4244-8ae4-c4498c4f439b_terseLabel_en-US" xlink:label="lab_acb_InventoriesExtractedCannabisMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Extracted cannabis </link:label>
<link:label id="lab_acb_InventoriesExtractedCannabisMember_label_en-US" xlink:label="lab_acb_InventoriesExtractedCannabisMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventories, Extracted Cannabis [Member] </link:label>
<link:label id="lab_acb_InventoriesExtractedCannabisMember_documentation_en-US" xlink:label="lab_acb_InventoriesExtractedCannabisMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Inventories, Extracted Cannabis [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_InventoriesExtractedCannabisMember" xlink:href="acb-20210630.xsd#acb_InventoriesExtractedCannabisMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_InventoriesExtractedCannabisMember" xlink:to="lab_acb_InventoriesExtractedCannabisMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_PropertyPlantAndEquipmentAbstract_523b6812-3b7c-467d-8a8b-e7c524fb1096_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, plant and equipment [abstract] </link:label>
<link:label id="lab_ifrs-full_PropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Property, plant and equipment [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PropertyPlantAndEquipmentAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:to="lab_ifrs-full_PropertyPlantAndEquipmentAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_srt_RevisionOfPriorPeriodErrorCorrectionAdjustmentMember_56b97508-172d-4cab-a12d-cbc7b0677fd1_terseLabel_en-US" xlink:label="lab_srt_RevisionOfPriorPeriodErrorCorrectionAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Biological Assets and Inventory Adjustments </link:label>
<link:label id="lab_srt_RevisionOfPriorPeriodErrorCorrectionAdjustmentMember_label_en-US" xlink:label="lab_srt_RevisionOfPriorPeriodErrorCorrectionAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revision of Prior Period, Error Correction, Adjustment [Member] </link:label>
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<link:label id="lab_acb_DeferredTaxLiabilitiesBiologicalAssetsMember_5c0dd6c7-40a5-4565-8010-88a3627746b7_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesBiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Biological assets </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesBiologicalAssetsMember_label_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesBiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Biological Assets [Member] </link:label>
<link:label id="lab_acb_DeferredTaxLiabilitiesBiologicalAssetsMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxLiabilitiesBiologicalAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Liabilities, Biological Assets [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxLiabilitiesBiologicalAssetsMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxLiabilitiesBiologicalAssetsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxLiabilitiesBiologicalAssetsMember" xlink:to="lab_acb_DeferredTaxLiabilitiesBiologicalAssetsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_BorrowingsConvertibleForcedConversionPriceThresholdConsecutiveTradingDays_c527302a-dc49-4ed2-ad4d-e2ab6f95b660_terseLabel_en-US" xlink:label="lab_acb_BorrowingsConvertibleForcedConversionPriceThresholdConsecutiveTradingDays" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Consecutive trading days </link:label>
<link:label id="lab_acb_BorrowingsConvertibleForcedConversionPriceThresholdConsecutiveTradingDays_label_en-US" xlink:label="lab_acb_BorrowingsConvertibleForcedConversionPriceThresholdConsecutiveTradingDays" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Forced Conversion Price Threshold Consecutive Trading Days </link:label>
<link:label id="lab_acb_BorrowingsConvertibleForcedConversionPriceThresholdConsecutiveTradingDays_documentation_en-US" xlink:label="lab_acb_BorrowingsConvertibleForcedConversionPriceThresholdConsecutiveTradingDays" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Borrowings, Convertible, Forced Conversion Price Threshold Consecutive Trading Days </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_BorrowingsConvertibleForcedConversionPriceThresholdConsecutiveTradingDays" xlink:href="acb-20210630.xsd#acb_BorrowingsConvertibleForcedConversionPriceThresholdConsecutiveTradingDays"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_BorrowingsConvertibleForcedConversionPriceThresholdConsecutiveTradingDays" xlink:to="lab_acb_BorrowingsConvertibleForcedConversionPriceThresholdConsecutiveTradingDays" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract_114b06d7-ee62-4cf1-911c-d7b9c3e933cf_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets and goodwill [abstract] </link:label>
<link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Intangible assets and goodwill [abstract] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsAndGoodwillAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DeferredTaxAssetsLeasesMember_b546b719-d439-4962-9c4f-eabe9e2f243b_terseLabel_en-US" xlink:label="lab_acb_DeferredTaxAssetsLeasesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Leases </link:label>
<link:label id="lab_acb_DeferredTaxAssetsLeasesMember_label_en-US" xlink:label="lab_acb_DeferredTaxAssetsLeasesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Leases [Member] </link:label>
<link:label id="lab_acb_DeferredTaxAssetsLeasesMember_documentation_en-US" xlink:label="lab_acb_DeferredTaxAssetsLeasesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred Tax Assets, Leases [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DeferredTaxAssetsLeasesMember" xlink:href="acb-20210630.xsd#acb_DeferredTaxAssetsLeasesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DeferredTaxAssetsLeasesMember" xlink:to="lab_acb_DeferredTaxAssetsLeasesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExpectedStockPriceVolatilityOtherEquityInstrumentsGranted_eb9201aa-5abc-4fe5-aada-3fcd1ca280a2_terseLabel_en-US" xlink:label="lab_acb_ExpectedStockPriceVolatilityOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected stock price volatility </link:label>
<link:label id="lab_acb_ExpectedStockPriceVolatilityOtherEquityInstrumentsGranted_label_en-US" xlink:label="lab_acb_ExpectedStockPriceVolatilityOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected Stock Price Volatility, Other Equity Instruments Granted </link:label>
<link:label id="lab_acb_ExpectedStockPriceVolatilityOtherEquityInstrumentsGranted_documentation_en-US" xlink:label="lab_acb_ExpectedStockPriceVolatilityOtherEquityInstrumentsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expected Stock Price Volatility, Other Equity Instruments Granted </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExpectedStockPriceVolatilityOtherEquityInstrumentsGranted" xlink:href="acb-20210630.xsd#acb_ExpectedStockPriceVolatilityOtherEquityInstrumentsGranted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExpectedStockPriceVolatilityOtherEquityInstrumentsGranted" xlink:to="lab_acb_ExpectedStockPriceVolatilityOtherEquityInstrumentsGranted" xlink:type="arc" order="1"/>
<link:label id="lab_acb_AdditionsToLeaseLiability_fc9510a2-f076-45b2-afd3-032a4a9727e4_terseLabel_en-US" xlink:label="lab_acb_AdditionsToLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease additions </link:label>
<link:label id="lab_acb_AdditionsToLeaseLiability_label_en-US" xlink:label="lab_acb_AdditionsToLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions To Lease Liability </link:label>
<link:label id="lab_acb_AdditionsToLeaseLiability_documentation_en-US" xlink:label="lab_acb_AdditionsToLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Additions To Lease Liability </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_AdditionsToLeaseLiability" xlink:href="acb-20210630.xsd#acb_AdditionsToLeaseLiability"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_AdditionsToLeaseLiability" xlink:to="lab_acb_AdditionsToLeaseLiability" xlink:type="arc" order="1"/>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock_73869cd3-2dfb-45fd-876e-1af188157c93_terseLabel_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Trade and Other Receivables </link:label>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Detailed Information About Trade And Other Receivables, Explanatory [Table Text Block] </link:label>
<link:label id="lab_acb_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_acb_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure Of Detailed Information About Trade And Other Receivables, Explanatory [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock" xlink:href="acb-20210630.xsd#acb_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock" xlink:to="lab_acb_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
<link:label id="lab_acb_OtherCurrentLiabilitiesMember_686de00b-19fa-471f-af41-632fa5fd78f6_terseLabel_en-US" xlink:label="lab_acb_OtherCurrentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other current liabilities </link:label>
<link:label id="lab_acb_OtherCurrentLiabilitiesMember_label_en-US" xlink:label="lab_acb_OtherCurrentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Current Liabilities [Member] </link:label>
<link:label id="lab_acb_OtherCurrentLiabilitiesMember_documentation_en-US" xlink:label="lab_acb_OtherCurrentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other Current Liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_OtherCurrentLiabilitiesMember" xlink:href="acb-20210630.xsd#acb_OtherCurrentLiabilitiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_OtherCurrentLiabilitiesMember" xlink:to="lab_acb_OtherCurrentLiabilitiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RangesOfExercisePricesForOutstandingWarrantsAxis_a2bda72c-7aeb-4cbc-9dd1-73a9f09c1d44_terseLabel_en-US" xlink:label="lab_acb_RangesOfExercisePricesForOutstandingWarrantsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges Of Exercise Prices For Outstanding Warrants [Axis] </link:label>
<link:label id="lab_acb_RangesOfExercisePricesForOutstandingWarrantsAxis_label_en-US" xlink:label="lab_acb_RangesOfExercisePricesForOutstandingWarrantsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges Of Exercise Prices For Outstanding Warrants [Axis] </link:label>
<link:label id="lab_acb_RangesOfExercisePricesForOutstandingWarrantsAxis_documentation_en-US" xlink:label="lab_acb_RangesOfExercisePricesForOutstandingWarrantsAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Ranges Of Exercise Prices For Outstanding Warrants [Axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RangesOfExercisePricesForOutstandingWarrantsAxis" xlink:href="acb-20210630.xsd#acb_RangesOfExercisePricesForOutstandingWarrantsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RangesOfExercisePricesForOutstandingWarrantsAxis" xlink:to="lab_acb_RangesOfExercisePricesForOutstandingWarrantsAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations_29b010c6-3299-4eb8-8afe-1a432c341dfb_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Discontinued operations (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations_7c08af80-4ae7-4a58-af4b-baca3ff51061_verboseLabel_en-US" xlink:label="lab_ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Discontinued operations, basic and diluted loss per share (in CAD per share) </link:label>
<link:label id="lab_ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations_label_en-US" xlink:label="lab_ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Basic and diluted earnings (loss) per share from discontinued operations </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:to="lab_ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:type="arc" order="1"/>
<link:label id="lab_acb_TransactionCostsBorrowings_50c3e08a-e568-4199-abef-4d78a63fc4ff_terseLabel_en-US" xlink:label="lab_acb_TransactionCostsBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Transaction costs </link:label>
<link:label id="lab_acb_TransactionCostsBorrowings_label_en-US" xlink:label="lab_acb_TransactionCostsBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Transaction Costs, Borrowings </link:label>
<link:label id="lab_acb_TransactionCostsBorrowings_documentation_en-US" xlink:label="lab_acb_TransactionCostsBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Transaction Costs, Borrowings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_TransactionCostsBorrowings" xlink:href="acb-20210630.xsd#acb_TransactionCostsBorrowings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_TransactionCostsBorrowings" xlink:to="lab_acb_TransactionCostsBorrowings" xlink:type="arc" order="1"/>
<link:label id="lab_acb_IncreaseDecreaseThroughFairValueGainsLossesInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeReclassifiedToDeficit_7ca54563-23fe-4c5f-b571-91834be5178b_negatedTerseLabel_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughFairValueGainsLossesInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeReclassifiedToDeficit" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Choom marketable securities transferred to investment in associate </link:label>
<link:label id="lab_acb_IncreaseDecreaseThroughFairValueGainsLossesInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeReclassifiedToDeficit_label_en-US" xlink:label="lab_acb_IncreaseDecreaseThroughFairValueGainsLossesInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeReclassifiedToDeficit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (Decrease) Through Fair Value Gains (Losses) Investments In Equity Instruments Designated At Fair Value Through Other Comprehensive Income Reclassified To Deficit </link:label>
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<link:loc xlink:type="locator" xlink:label="loc_acb_IncreaseDecreaseThroughFairValueGainsLossesInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeReclassifiedToDeficit" xlink:href="acb-20210630.xsd#acb_IncreaseDecreaseThroughFairValueGainsLossesInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeReclassifiedToDeficit"/>
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<link:label id="lab_ifrs-full_PastDueStatusAxis_3475c019-2970-41eb-a00c-79667076f533_terseLabel_en-US" xlink:label="lab_ifrs-full_PastDueStatusAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Past due status [axis] </link:label>
<link:label id="lab_ifrs-full_PastDueStatusAxis_label_en-US" xlink:label="lab_ifrs-full_PastDueStatusAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Past due status [axis] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PastDueStatusAxis" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PastDueStatusAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastDueStatusAxis" xlink:to="lab_ifrs-full_PastDueStatusAxis" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_CreditSpreadMeasurementInputMember_01d1be3e-39e1-4cb1-bb5f-4f149fb4cc12_terseLabel_en-US" xlink:label="lab_ifrs-full_CreditSpreadMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit spread </link:label>
<link:label id="lab_ifrs-full_CreditSpreadMeasurementInputMember_label_en-US" xlink:label="lab_ifrs-full_CreditSpreadMeasurementInputMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Credit spread, measurement input [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CreditSpreadMeasurementInputMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CreditSpreadMeasurementInputMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CreditSpreadMeasurementInputMember" xlink:to="lab_ifrs-full_CreditSpreadMeasurementInputMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_NumberOfSharesIssuedForEquityFinancings_03057b96-b310-4826-803a-9f0ad83a0d05_terseLabel_en-US" xlink:label="lab_acb_NumberOfSharesIssuedForEquityFinancings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Shares issued through equity financings (in shares) </link:label>
<link:label id="lab_acb_NumberOfSharesIssuedForEquityFinancings_label_en-US" xlink:label="lab_acb_NumberOfSharesIssuedForEquityFinancings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Issued For Equity Financings </link:label>
<link:label id="lab_acb_NumberOfSharesIssuedForEquityFinancings_documentation_en-US" xlink:label="lab_acb_NumberOfSharesIssuedForEquityFinancings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Number Of Shares Issued For Equity Financings </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_NumberOfSharesIssuedForEquityFinancings" xlink:href="acb-20210630.xsd#acb_NumberOfSharesIssuedForEquityFinancings"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_NumberOfSharesIssuedForEquityFinancings" xlink:to="lab_acb_NumberOfSharesIssuedForEquityFinancings" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_PaymentsForDebtIssueCosts_5ff10b6a-3113-4e93-91d0-ee131e375017_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_PaymentsForDebtIssueCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financing fees </link:label>
<link:label id="lab_ifrs-full_PaymentsForDebtIssueCosts_label_en-US" xlink:label="lab_ifrs-full_PaymentsForDebtIssueCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Payments for debt issue costs </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsForDebtIssueCosts" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PaymentsForDebtIssueCosts"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsForDebtIssueCosts" xlink:to="lab_ifrs-full_PaymentsForDebtIssueCosts" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_FixturesAndFittingsMember_069eda50-09ff-42c5-811b-1afcb488b560_terseLabel_en-US" xlink:label="lab_ifrs-full_FixturesAndFittingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Furniture & fixtures </link:label>
<link:label id="lab_ifrs-full_FixturesAndFittingsMember_label_en-US" xlink:label="lab_ifrs-full_FixturesAndFittingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fixtures and fittings [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FixturesAndFittingsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FixturesAndFittingsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FixturesAndFittingsMember" xlink:to="lab_ifrs-full_FixturesAndFittingsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_FinancialAssetsConversionPercentageOfIssuedAndOutstandingCommonStock_2c3eb000-cd84-4985-86fe-cf547b0294a8_terseLabel_en-US" xlink:label="lab_acb_FinancialAssetsConversionPercentageOfIssuedAndOutstandingCommonStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Conversion percentage of issued and outstanding common stock </link:label>
<link:label id="lab_acb_FinancialAssetsConversionPercentageOfIssuedAndOutstandingCommonStock_label_en-US" xlink:label="lab_acb_FinancialAssetsConversionPercentageOfIssuedAndOutstandingCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Conversion, Percentage Of Issued And Outstanding Common Stock </link:label>
<link:label id="lab_acb_FinancialAssetsConversionPercentageOfIssuedAndOutstandingCommonStock_documentation_en-US" xlink:label="lab_acb_FinancialAssetsConversionPercentageOfIssuedAndOutstandingCommonStock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial Assets, Conversion, Percentage Of Issued And Outstanding Common Stock </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_FinancialAssetsConversionPercentageOfIssuedAndOutstandingCommonStock" xlink:href="acb-20210630.xsd#acb_FinancialAssetsConversionPercentageOfIssuedAndOutstandingCommonStock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_FinancialAssetsConversionPercentageOfIssuedAndOutstandingCommonStock" xlink:to="lab_acb_FinancialAssetsConversionPercentageOfIssuedAndOutstandingCommonStock" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_SalesAndMarketingExpense_008d7379-3618-4d3d-ace1-4d9ac382960b_terseLabel_en-US" xlink:label="lab_ifrs-full_SalesAndMarketingExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Sales and marketing </link:label>
<link:label id="lab_ifrs-full_SalesAndMarketingExpense_label_en-US" xlink:label="lab_ifrs-full_SalesAndMarketingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Sales and marketing expense </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SalesAndMarketingExpense" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SalesAndMarketingExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SalesAndMarketingExpense" xlink:to="lab_ifrs-full_SalesAndMarketingExpense" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory_04a45517-dfac-47a3-b767-794ab26ee072_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Accounts Receivable </link:label>
<link:label id="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of trade and other receivables [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OtherReservesMember_c27191a4-8638-4889-aadb-670643693fcf_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherReservesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Reserves </link:label>
<link:label id="lab_ifrs-full_OtherReservesMember_label_en-US" xlink:label="lab_ifrs-full_OtherReservesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other reserves [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherReservesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherReservesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherReservesMember" xlink:to="lab_ifrs-full_OtherReservesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_FinancialAssetsCategoryMember_925ef0c3-bd80-4888-8a7b-f3e785376a84_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial assets, category [member] </link:label>
<link:label id="lab_ifrs-full_FinancialAssetsCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Financial assets, category [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsCategoryMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinancialAssetsCategoryMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsCategoryMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_bd2fca3e-2538-472e-9602-c65034db43e0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of associates [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of associates [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory_a7ff179f-3bc9-40f4-afde-7dfcc1378e64_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Restructuring Provision </link:label>
<link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of other provisions [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfOtherProvisionsExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_dei_DocumentRegistrationStatement_25b37624-7cd9-4bbd-aa3b-08b1671b1468_terseLabel_en-US" xlink:label="lab_dei_DocumentRegistrationStatement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document Registration Statement </link:label>
<link:label id="lab_dei_DocumentRegistrationStatement_label_en-US" xlink:label="lab_dei_DocumentRegistrationStatement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Document Registration Statement </link:label>
<link:loc xlink:type="locator" xlink:label="loc_dei_DocumentRegistrationStatement" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentRegistrationStatement"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentRegistrationStatement" xlink:to="lab_dei_DocumentRegistrationStatement" xlink:type="arc" order="1"/>
<link:label id="lab_acb_LeaseTermReductionAndOtherItems_35665a3e-8839-441a-8612-a9a05e89d17a_negatedTerseLabel_en-US" xlink:label="lab_acb_LeaseTermReductionAndOtherItems" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease term reduction and other items </link:label>
<link:label id="lab_acb_LeaseTermReductionAndOtherItems_label_en-US" xlink:label="lab_acb_LeaseTermReductionAndOtherItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease Term Reduction And Other Items </link:label>
<link:label id="lab_acb_LeaseTermReductionAndOtherItems_documentation_en-US" xlink:label="lab_acb_LeaseTermReductionAndOtherItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Lease Term Reduction And Other Items </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_LeaseTermReductionAndOtherItems" xlink:href="acb-20210630.xsd#acb_LeaseTermReductionAndOtherItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_LeaseTermReductionAndOtherItems" xlink:to="lab_acb_LeaseTermReductionAndOtherItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesLineItems_4852cc34-0837-49e9-ac94-d0f733f2706d_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesLineItems" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesLineItems" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsTable_5b2d3249-e214-494f-8319-17f1b4ef356e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, assets [table] </link:label>
<link:label id="lab_ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, assets [table] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsTable" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfSensitivityAnalysisOfFairValueMeasurementToChangesInUnobservableInputsAssetsTable" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_EntitysTotalForRelatedPartiesMember_e10b34a0-e587-4b09-b9f3-1b13f869a755_terseLabel_en-US" xlink:label="lab_ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity's total for related parties [member] </link:label>
<link:label id="lab_ifrs-full_EntitysTotalForRelatedPartiesMember_label_en-US" xlink:label="lab_ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Entity's total for related parties [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="lab_ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_ExpenseFromSharebasedPaymentTransactionsCompensationCostsCapitalized_2894a6ad-5117-4cb9-9594-ffd59fd5a58c_terseLabel_en-US" xlink:label="lab_acb_ExpenseFromSharebasedPaymentTransactionsCompensationCostsCapitalized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Compensation cost capitalized </link:label>
<link:label id="lab_acb_ExpenseFromSharebasedPaymentTransactionsCompensationCostsCapitalized_label_en-US" xlink:label="lab_acb_ExpenseFromSharebasedPaymentTransactionsCompensationCostsCapitalized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expense From Share-based Payment Transactions, Compensation Costs Capitalized </link:label>
<link:label id="lab_acb_ExpenseFromSharebasedPaymentTransactionsCompensationCostsCapitalized_documentation_en-US" xlink:label="lab_acb_ExpenseFromSharebasedPaymentTransactionsCompensationCostsCapitalized" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Expense From Share-based Payment Transactions, Compensation Costs Capitalized </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_ExpenseFromSharebasedPaymentTransactionsCompensationCostsCapitalized" xlink:href="acb-20210630.xsd#acb_ExpenseFromSharebasedPaymentTransactionsCompensationCostsCapitalized"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_ExpenseFromSharebasedPaymentTransactionsCompensationCostsCapitalized" xlink:to="lab_acb_ExpenseFromSharebasedPaymentTransactionsCompensationCostsCapitalized" xlink:type="arc" order="1"/>
<link:label id="lab_acb_EffectiveInterestRateMember_2f8dc3a1-2cf4-4114-b91a-fa93f83d8ac9_terseLabel_en-US" xlink:label="lab_acb_EffectiveInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Effective Interest Rate </link:label>
<link:label id="lab_acb_EffectiveInterestRateMember_label_en-US" xlink:label="lab_acb_EffectiveInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Effective Interest Rate [Member] </link:label>
<link:label id="lab_acb_EffectiveInterestRateMember_documentation_en-US" xlink:label="lab_acb_EffectiveInterestRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Effective Interest Rate [Member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_EffectiveInterestRateMember" xlink:href="acb-20210630.xsd#acb_EffectiveInterestRateMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_EffectiveInterestRateMember" xlink:to="lab_acb_EffectiveInterestRateMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_InterestRateTypesMember_932c753d-2fdd-4203-b6c6-91e4e43e4213_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateTypesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest rate types [member] </link:label>
<link:label id="lab_ifrs-full_InterestRateTypesMember_label_en-US" xlink:label="lab_ifrs-full_InterestRateTypesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Interest rate types [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRateTypesMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestRateTypesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRateTypesMember" xlink:to="lab_ifrs-full_InterestRateTypesMember" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_LaterThanFiveYearsMember_823817d3-fee6-40fc-acc1-5e23b48a9470_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Thereafter </link:label>
<link:label id="lab_ifrs-full_LaterThanFiveYearsMember_a3d8fdbf-53f2-4ae3-bc8e-0e59d20c6269_verboseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> > 5 years </link:label>
<link:label id="lab_ifrs-full_LaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Later than five years [member] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanFiveYearsMember" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LaterThanFiveYearsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanFiveYearsMember" xlink:type="arc" order="1"/>
<link:label id="lab_acb_RevenueOfAcquireePostAcquisitionDate_485b61c3-6beb-4d1b-9182-d7fd36f44591_terseLabel_en-US" xlink:label="lab_acb_RevenueOfAcquireePostAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue of combined entity as if combination occurred at beginning of period </link:label>
<link:label id="lab_acb_RevenueOfAcquireePostAcquisitionDate_label_en-US" xlink:label="lab_acb_RevenueOfAcquireePostAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue Of Acquiree Post Acquisition Date </link:label>
<link:label id="lab_acb_RevenueOfAcquireePostAcquisitionDate_documentation_en-US" xlink:label="lab_acb_RevenueOfAcquireePostAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Revenue Of Acquiree Post Acquisition Date </link:label>
<link:loc xlink:type="locator" xlink:label="loc_acb_RevenueOfAcquireePostAcquisitionDate" xlink:href="acb-20210630.xsd#acb_RevenueOfAcquireePostAcquisitionDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_acb_RevenueOfAcquireePostAcquisitionDate" xlink:to="lab_acb_RevenueOfAcquireePostAcquisitionDate" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory_e20aa7c5-1e03-4e21-a994-dbe808be1e8e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Fair Value of Financial Instruments </link:label>
<link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Disclosure of fair value measurement [text block] </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DisclosureOfFairValueMeasurementExplanatory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill_965b8150-9ff1-431e-9c88-3d7a945e0143_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Foreign currency translation </link:label>
<link:label id="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Increase (decrease) through net exchange differences, intangible assets and goodwill </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets_59fca5bb-e07d-4d86-a353-0d5ccd03a4ae_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Unrealized gain on changes in fair value of biological assets </link:label>
<link:label id="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Gains (losses) on fair value adjustment, biological assets </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:to="lab_ifrs-full_GainsLossesOnFairValueAdjustmentBiologicalAssets" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_DeferredTaxLiabilities_ca442c83-5296-4d68-9ad2-4b8c7146b8ce_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred tax liability </link:label>
<link:label id="lab_ifrs-full_DeferredTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Deferred tax liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DeferredTaxLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxLiabilities" xlink:to="lab_ifrs-full_DeferredTaxLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities_f2c406e6-efae-47fa-9828-9d798391a9ac_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other current liabilities </link:label>
<link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Adjustments for increase (decrease) in other current liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" xlink:type="arc" order="1"/>
<link:label id="lab_ifrs-full_OtherCurrentFinancialLiabilities_581b988b-7fa6-4250-a839-47ec58224b3a_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Contingent consideration payable </link:label>
<link:label id="lab_ifrs-full_OtherCurrentFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US"> Other current financial liabilities </link:label>
<link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentFinancialLiabilities" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherCurrentFinancialLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentFinancialLiabilities" xlink:to="lab_ifrs-full_OtherCurrentFinancialLiabilities" xlink:type="arc" order="1"/>
</link:labelLink>
</link:linkbase>

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