SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Apple Inc. – ‘10-Q’ for 4/1/17 – ‘EX-101.DEF’

On:  Wednesday, 5/3/17, at 4:32pm ET   ·   For:  4/1/17   ·   Accession #:  1628280-17-4790   ·   File #:  1-36743

Previous ‘10-Q’:  ‘10-Q’ on 2/1/17 for 12/31/16   ·   Next:  ‘10-Q’ on 8/2/17 for 7/1/17   ·   Latest:  ‘10-Q’ on 2/2/24 for 12/30/23

Find Words in Filings emoji
 
  in    Show  and   Hints

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

 5/03/17  Apple Inc.                        10-Q        4/01/17   69:9.4M                                   Workiva Inc Wde… FA01/FA

Quarterly Report   —   Form 10-Q   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML    768K 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     30K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     31K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     28K 
11: R1          Document and Entity Information                     HTML     43K 
12: R2          Condensed Consolidated Statements of Operations     HTML     73K 
                (Unaudited)                                                      
13: R3          Condensed Consolidated Statements of Comprehensive  HTML     60K 
                Income (Unaudited)                                               
14: R4          Condensed Consolidated Statements of Comprehensive  HTML     37K 
                Income (Unaudited) (Parenthetical)                               
15: R5          Condensed Consolidated Balance Sheets (Unaudited)   HTML    111K 
16: R6          Condensed Consolidated Balance Sheets (Unaudited)   HTML     34K 
                (Parenthetical)                                                  
17: R7          Condensed Consolidated Statements of Cash Flows     HTML    121K 
                (Unaudited)                                                      
18: R8          Summary of Significant Accounting Policies          HTML     65K 
19: R9          Financial Instruments                               HTML    362K 
20: R10         Condensed Consolidated Financial Statement Details  HTML     61K 
21: R11         Acquired Intangible Assets                          HTML     46K 
22: R12         Income Taxes                                        HTML     32K 
23: R13         Debt                                                HTML    217K 
24: R14         Shareholders' Equity                                HTML     95K 
25: R15         Comprehensive Income                                HTML     85K 
26: R16         Benefit Plans                                       HTML     62K 
27: R17         Commitments and Contingencies                       HTML     59K 
28: R18         Segment Information and Geographic Data             HTML    105K 
29: R19         Summary of Significant Accounting Policies          HTML     60K 
                (Policies)                                                       
30: R20         Summary of Significant Accounting Policies          HTML     54K 
                (Tables)                                                         
31: R21         Financial Instruments (Tables)                      HTML    342K 
32: R22         Condensed Consolidated Financial Statement Details  HTML     64K 
                (Tables)                                                         
33: R23         Acquired Intangible Assets (Tables)                 HTML     46K 
34: R24         Debt (Tables)                                       HTML    212K 
35: R25         Shareholders' Equity (Tables)                       HTML     90K 
36: R26         Comprehensive Income (Tables)                       HTML     83K 
37: R27         Benefit Plans (Tables)                              HTML     58K 
38: R28         Commitments and Contingencies (Tables)              HTML     42K 
39: R29         Segment Information and Geographic Data (Tables)    HTML    100K 
40: R30         Summary of Significant Accounting Policies -        HTML     44K 
                Computation of Basic and Diluted Earnings Per                    
                Share (Details)                                                  
41: R31         Financial Instruments - Cash, Cash Equivalents and  HTML    107K 
                Marketable Securities (Details)                                  
42: R32         Financial Instruments - Additional Information      HTML     77K 
                (Details)                                                        
43: R33         Financial Instruments - Derivative Instruments at   HTML     50K 
                Gross Fair Value (Details)                                       
44: R34         Financial Instruments - Pre-Tax Gains and Losses    HTML     49K 
                of Derivative and Non-Derivative Instruments                     
                Designated as Hedges (Details)                                   
45: R35         Financial Instruments - Notional Amounts and        HTML     34K 
                Credit Risk Amounts Associated with Derivative                   
                Instruments (Details)                                            
46: R36         Condensed Consolidated Financial Statement Details  HTML     38K 
                - Property, Plant and Equipment, Net (Details)                   
47: R37         Condensed Consolidated Financial Statement Details  HTML     29K 
                - Other Non-Current Liabilities (Details)                        
48: R38         Condensed Consolidated Financial Statement Details  HTML     32K 
                - Other Income/(Expense), Net (Details)                          
49: R39         Acquired Intangible Assets - Components of Gross    HTML     35K 
                and Net Intangible Asset Balances (Details)                      
50: R40         Income Taxes - Additional Information (Details)     HTML     39K 
51: R41         Debt - Additional Information (Details)             HTML     61K 
52: R42         Debt - Summary of Cash Flows Associated with        HTML     38K 
                Commercial Paper (Details)                                       
53: R43         Debt - Summary of Term Debt (Details)               HTML    130K 
54: R44         Shareholders' Equity - Summary of Dividends         HTML     28K 
                Declared and Paid (Details)                                      
55: R45         Shareholders' Equity - Additional Information       HTML     25K 
                (Details)                                                        
56: R46         Shareholders' Equity - Accelerated Share            HTML     52K 
                Repurchase Activity and Related Information                      
                (Details)                                                        
57: R47         Shareholders' Equity - Repurchases of Common        HTML     34K 
                Shares in Open Market (Details)                                  
58: R48         Comprehensive Income - Pre-tax Amounts              HTML     48K 
                Reclassified from AOCI into Condensed Consolidated               
                Statements of Operations (Details)                               
59: R49         Comprehensive Income - Change in AOCI by Component  HTML     54K 
                (Details)                                                        
60: R50         Benefit Plans - Additional Information (Details)    HTML     49K 
61: R51         Benefit Plans - Restricted Stock Units Activity     HTML     51K 
                and Related Information (Details)                                
62: R52         Benefit Plans - Summary of Share-Based              HTML     33K 
                Compensation Expense (Details)                                   
63: R53         Commitments and Contingencies - Changes in Accrued  HTML     30K 
                Warranties and Related Costs (Details)                           
64: R54         Commitments and Contingencies - Additional          HTML     42K 
                Information (Details)                                            
65: R55         Segment Information and Geographic Data - Summary   HTML     40K 
                Information by Operating Segment (Details)                       
66: R56         Segment Information and Geographic Data -           HTML     37K 
                Reconciliation of Segment Operating Income to                    
                Condensed Consolidated Statements of Operations                  
                (Details)                                                        
68: XML         IDEA XML File -- Filing Summary                      XML    125K 
67: EXCEL       IDEA Workbook of Financial Reports                  XLSX     78K 
 5: EX-101.INS  XBRL Instance -- aapl-20170401                       XML   3.44M 
 7: EX-101.CAL  XBRL Calculations -- aapl-20170401_cal               XML    206K 
 8: EX-101.DEF  XBRL Definitions -- aapl-20170401_def                XML    485K 
 9: EX-101.LAB  XBRL Labels -- aapl-20170401_lab                     XML   1.37M 
10: EX-101.PRE  XBRL Presentations -- aapl-20170401_pre              XML    814K 
 6: EX-101.SCH  XBRL Schema -- aapl-20170401                         XSD    144K 
69: ZIP         XBRL Zipped Folder -- 0001628280-17-004790-xbrl      Zip    221K 


‘EX-101.DEF’   —   XBRL Definitions — aapl-20170401_def


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with Wdesk from Workiva -->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<link:roleRef roleURI="http://www.apple.com/role/AcquiredIntangibleAssets" xlink:href="aapl-20170401.xsd#AcquiredIntangibleAssets" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/AcquiredIntangibleAssetsComponentsOfGrossAndNetIntangibleAssetBalancesDetails" xlink:href="aapl-20170401.xsd#AcquiredIntangibleAssetsComponentsOfGrossAndNetIntangibleAssetBalancesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/AcquiredIntangibleAssetsTables" xlink:href="aapl-20170401.xsd#AcquiredIntangibleAssetsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/BenefitPlans" xlink:href="aapl-20170401.xsd#BenefitPlans" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/BenefitPlansAdditionalInformationDetails" xlink:href="aapl-20170401.xsd#BenefitPlansAdditionalInformationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/BenefitPlansRestrictedStockUnitsActivityAndRelatedInformationDetails" xlink:href="aapl-20170401.xsd#BenefitPlansRestrictedStockUnitsActivityAndRelatedInformationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/BenefitPlansSummaryOfShareBasedCompensationExpenseDetails" xlink:href="aapl-20170401.xsd#BenefitPlansSummaryOfShareBasedCompensationExpenseDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/BenefitPlansTables" xlink:href="aapl-20170401.xsd#BenefitPlansTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CommitmentsAndContingencies" xlink:href="aapl-20170401.xsd#CommitmentsAndContingencies" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" xlink:href="aapl-20170401.xsd#CommitmentsAndContingenciesAdditionalInformationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CommitmentsAndContingenciesChangesInAccruedWarrantiesAndRelatedCostsDetails" xlink:href="aapl-20170401.xsd#CommitmentsAndContingenciesChangesInAccruedWarrantiesAndRelatedCostsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CommitmentsAndContingenciesTables" xlink:href="aapl-20170401.xsd#CommitmentsAndContingenciesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/ComprehensiveIncome" xlink:href="aapl-20170401.xsd#ComprehensiveIncome" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/ComprehensiveIncomeChangeInAociByComponentDetails" xlink:href="aapl-20170401.xsd#ComprehensiveIncomeChangeInAociByComponentDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/ComprehensiveIncomePreTaxAmountsReclassifiedFromAociIntoCondensedConsolidatedStatementsOfOperationsDetails" xlink:href="aapl-20170401.xsd#ComprehensiveIncomePreTaxAmountsReclassifiedFromAociIntoCondensedConsolidatedStatementsOfOperationsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/ComprehensiveIncomeTables" xlink:href="aapl-20170401.xsd#ComprehensiveIncomeTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:href="aapl-20170401.xsd#CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:href="aapl-20170401.xsd#CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CondensedConsolidatedFinancialStatementDetails" xlink:href="aapl-20170401.xsd#CondensedConsolidatedFinancialStatementDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CondensedConsolidatedFinancialStatementDetailsOtherIncomeExpenseNetDetails" xlink:href="aapl-20170401.xsd#CondensedConsolidatedFinancialStatementDetailsOtherIncomeExpenseNetDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CondensedConsolidatedFinancialStatementDetailsOtherNonCurrentLiabilitiesDetails" xlink:href="aapl-20170401.xsd#CondensedConsolidatedFinancialStatementDetailsOtherNonCurrentLiabilitiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CondensedConsolidatedFinancialStatementDetailsPropertyPlantAndEquipmentNetDetails" xlink:href="aapl-20170401.xsd#CondensedConsolidatedFinancialStatementDetailsPropertyPlantAndEquipmentNetDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CondensedConsolidatedFinancialStatementDetailsTables" xlink:href="aapl-20170401.xsd#CondensedConsolidatedFinancialStatementDetailsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:href="aapl-20170401.xsd#CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:href="aapl-20170401.xsd#CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnauditedParenthetical" xlink:href="aapl-20170401.xsd#CondensedConsolidatedStatementsOfComprehensiveIncomeUnauditedParenthetical" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:href="aapl-20170401.xsd#CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/Debt" xlink:href="aapl-20170401.xsd#Debt" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/DebtAdditionalInformationDetails" xlink:href="aapl-20170401.xsd#DebtAdditionalInformationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/DebtSummaryOfCashFlowsAssociatedWithCommercialPaperDetails" xlink:href="aapl-20170401.xsd#DebtSummaryOfCashFlowsAssociatedWithCommercialPaperDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/DebtSummaryOfTermDebtDetails" xlink:href="aapl-20170401.xsd#DebtSummaryOfTermDebtDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/DebtTables" xlink:href="aapl-20170401.xsd#DebtTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/DocumentAndEntityInformation" xlink:href="aapl-20170401.xsd#DocumentAndEntityInformation" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/FinancialInstruments" xlink:href="aapl-20170401.xsd#FinancialInstruments" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/FinancialInstrumentsAdditionalInformationDetails" xlink:href="aapl-20170401.xsd#FinancialInstrumentsAdditionalInformationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/FinancialInstrumentsCashCashEquivalentsAndMarketableSecuritiesDetails" xlink:href="aapl-20170401.xsd#FinancialInstrumentsCashCashEquivalentsAndMarketableSecuritiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/FinancialInstrumentsDerivativeInstrumentsAtGrossFairValueDetails" xlink:href="aapl-20170401.xsd#FinancialInstrumentsDerivativeInstrumentsAtGrossFairValueDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/FinancialInstrumentsNotionalAmountsAndCreditRiskAmountsAssociatedWithDerivativeInstrumentsDetails" xlink:href="aapl-20170401.xsd#FinancialInstrumentsNotionalAmountsAndCreditRiskAmountsAssociatedWithDerivativeInstrumentsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/FinancialInstrumentsPreTaxGainsAndLossesOfDerivativeAndNonDerivativeInstrumentsDesignatedAsHedgesDetails" xlink:href="aapl-20170401.xsd#FinancialInstrumentsPreTaxGainsAndLossesOfDerivativeAndNonDerivativeInstrumentsDesignatedAsHedgesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/FinancialInstrumentsTables" xlink:href="aapl-20170401.xsd#FinancialInstrumentsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/IncomeTaxes" xlink:href="aapl-20170401.xsd#IncomeTaxes" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/IncomeTaxesAdditionalInformationDetails" xlink:href="aapl-20170401.xsd#IncomeTaxesAdditionalInformationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/SegmentInformationAndGeographicData" xlink:href="aapl-20170401.xsd#SegmentInformationAndGeographicData" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/SegmentInformationAndGeographicDataReconciliationOfSegmentOperatingIncomeToCondensedConsolidatedStatementsOfOperationsDetails" xlink:href="aapl-20170401.xsd#SegmentInformationAndGeographicDataReconciliationOfSegmentOperatingIncomeToCondensedConsolidatedStatementsOfOperationsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/SegmentInformationAndGeographicDataSummaryInformationByOperatingSegmentDetails" xlink:href="aapl-20170401.xsd#SegmentInformationAndGeographicDataSummaryInformationByOperatingSegmentDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/SegmentInformationAndGeographicDataTables" xlink:href="aapl-20170401.xsd#SegmentInformationAndGeographicDataTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/ShareholdersEquity" xlink:href="aapl-20170401.xsd#ShareholdersEquity" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/ShareholdersEquityAcceleratedShareRepurchaseActivityAndRelatedInformationDetails" xlink:href="aapl-20170401.xsd#ShareholdersEquityAcceleratedShareRepurchaseActivityAndRelatedInformationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/ShareholdersEquityAdditionalInformationDetails" xlink:href="aapl-20170401.xsd#ShareholdersEquityAdditionalInformationDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/ShareholdersEquityRepurchasesOfCommonSharesInOpenMarketDetails" xlink:href="aapl-20170401.xsd#ShareholdersEquityRepurchasesOfCommonSharesInOpenMarketDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/ShareholdersEquitySummaryOfDividendsDeclaredAndPaidDetails" xlink:href="aapl-20170401.xsd#ShareholdersEquitySummaryOfDividendsDeclaredAndPaidDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/ShareholdersEquityTables" xlink:href="aapl-20170401.xsd#ShareholdersEquityTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="aapl-20170401.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/SummaryOfSignificantAccountingPoliciesComputationOfBasicAndDilutedEarningsPerShareDetails" xlink:href="aapl-20170401.xsd#SummaryOfSignificantAccountingPoliciesComputationOfBasicAndDilutedEarningsPerShareDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="aapl-20170401.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple"/>
<link:roleRef roleURI="http://www.apple.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:href="aapl-20170401.xsd#SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple"/>
<link:definitionLink xlink:role="http://www.apple.com/role/AcquiredIntangibleAssets" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/AcquiredIntangibleAssetsComponentsOfGrossAndNetIntangibleAssetBalancesDetails" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/AcquiredIntangibleAssetsTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/BenefitPlans" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/BenefitPlansAdditionalInformationDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7BC0D06F28F9EFFEE43DC665EA45D79A" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0F32C96D1C84A33103D3C665EA45A4A4" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7BC0D06F28F9EFFEE43DC665EA45D79A" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0F32C96D1C84A33103D3C665EA45A4A4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_69095AAE1A64AEB7260CC665EA450E14" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0F32C96D1C84A33103D3C665EA45A4A4" xlink:to="loc_us-gaap_AwardTypeAxis_69095AAE1A64AEB7260CC665EA450E14" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_07B25272F2E10992B96FC665EA453F65_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_69095AAE1A64AEB7260CC665EA450E14" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_07B25272F2E10992B96FC665EA453F65_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_07B25272F2E10992B96FC665EA453F65" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_69095AAE1A64AEB7260CC665EA450E14" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_07B25272F2E10992B96FC665EA453F65" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_DF6635C7564AD44C522AC665EA453868" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_07B25272F2E10992B96FC665EA453F65" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_DF6635C7564AD44C522AC665EA453868" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_7158E43CF905712C2641C665EA45C13B" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7BC0D06F28F9EFFEE43DC665EA45D79A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_7158E43CF905712C2641C665EA45C13B" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberofSharesofCommonStockAwardedUponSettlement" xlink:label="loc_aapl_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberofSharesofCommonStockAwardedUponSettlement_B6EE06E1D71BFC7E2428C665EA45BF8C" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7BC0D06F28F9EFFEE43DC665EA45D79A" xlink:to="loc_aapl_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberofSharesofCommonStockAwardedUponSettlement_B6EE06E1D71BFC7E2428C665EA45BF8C" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsReductioninNumberofSharesAvailableforGrantPerShareGranted" xlink:label="loc_aapl_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsReductioninNumberofSharesAvailableforGrantPerShareGranted_7F123F4227388F1C3F4DC665EA46FE66" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7BC0D06F28F9EFFEE43DC665EA45D79A" xlink:to="loc_aapl_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsReductioninNumberofSharesAvailableforGrantPerShareGranted_7F123F4227388F1C3F4DC665EA46FE66" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsIncreaseinNumberofSharesAvailableforGrantPerShareCancelledorWithheld" xlink:label="loc_aapl_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsIncreaseinNumberofSharesAvailableforGrantPerShareCancelledorWithheld_78A6024C58F27B1DAA94C665EA4632E8" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7BC0D06F28F9EFFEE43DC665EA45D79A" xlink:to="loc_aapl_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsIncreaseinNumberofSharesAvailableforGrantPerShareCancelledorWithheld_78A6024C58F27B1DAA94C665EA4632E8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_81BFB5F51E9CFE7FBB5BC665EA463FD0" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7BC0D06F28F9EFFEE43DC665EA45D79A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_81BFB5F51E9CFE7FBB5BC665EA463FD0" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/BenefitPlansRestrictedStockUnitsActivityAndRelatedInformationDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_19ACCC7D8182D62A68CC262705B335D2" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_2E6DE62F2D81314BCDB4262705B299AD" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_19ACCC7D8182D62A68CC262705B335D2" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_2E6DE62F2D81314BCDB4262705B299AD" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_6A1234F51B15A7FF89B3262705B303C6" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_2E6DE62F2D81314BCDB4262705B299AD" xlink:to="loc_us-gaap_AwardTypeAxis_6A1234F51B15A7FF89B3262705B303C6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A13A39088C29470DEE93262705B30C3E_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_6A1234F51B15A7FF89B3262705B303C6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A13A39088C29470DEE93262705B30C3E_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A13A39088C29470DEE93262705B30C3E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_6A1234F51B15A7FF89B3262705B303C6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A13A39088C29470DEE93262705B30C3E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_2436C0A986F74CEA33BD262705B3C2DD" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_A13A39088C29470DEE93262705B30C3E" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_2436C0A986F74CEA33BD262705B3C2DD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_03BFF869A616B23C2B52262705B32BBA" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_19ACCC7D8182D62A68CC262705B335D2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_03BFF869A616B23C2B52262705B32BBA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_F57FD65499164B997869262705B38962" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_03BFF869A616B23C2B52262705B32BBA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_F57FD65499164B997869262705B38962" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_ED288FCAB1F3EC8AE160262705B3F09D" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_03BFF869A616B23C2B52262705B32BBA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_ED288FCAB1F3EC8AE160262705B3F09D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_8C1D929D1B9AFF8A4477262705B3887A" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_03BFF869A616B23C2B52262705B32BBA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_8C1D929D1B9AFF8A4477262705B3887A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_56AD2BB7D352B4D60C94262705B3BD96" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_03BFF869A616B23C2B52262705B32BBA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_56AD2BB7D352B4D60C94262705B3BD96" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_BDA53F7AE029F1B33CD3262705B3F361" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_19ACCC7D8182D62A68CC262705B335D2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_BDA53F7AE029F1B33CD3262705B3F361" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_E21BC436C84BD4EFF2EC262705B4909F" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_BDA53F7AE029F1B33CD3262705B3F361" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_E21BC436C84BD4EFF2EC262705B4909F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_F5DE093B4C57EA5AB4F9262705B42700" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_BDA53F7AE029F1B33CD3262705B3F361" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_F5DE093B4C57EA5AB4F9262705B42700" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_76ABA7B42624C45A74CD262705B4A7FB" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_BDA53F7AE029F1B33CD3262705B3F361" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_76ABA7B42624C45A74CD262705B4A7FB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_BCA4BA55924DE755C1AD262705B42F88" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_BDA53F7AE029F1B33CD3262705B3F361" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_BCA4BA55924DE755C1AD262705B42F88" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_DE523BBBBF7733C23188262705B441AE" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_19ACCC7D8182D62A68CC262705B335D2" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_DE523BBBBF7733C23188262705B441AE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested_5B3D601E83065CC7A5BE262705B9B0A2" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_DE523BBBBF7733C23188262705B441AE" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested_5B3D601E83065CC7A5BE262705B9B0A2" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/BenefitPlansSummaryOfShareBasedCompensationExpenseDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_0097B0899F3FA708AF1BED1E7AF13983" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_AE8E4A7FCFEFA869111FED1E7AF06EE9" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_0097B0899F3FA708AF1BED1E7AF13983" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_AE8E4A7FCFEFA869111FED1E7AF06EE9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_5C20EEABA663751DF20AED1E7AF1905E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_AE8E4A7FCFEFA869111FED1E7AF06EE9" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_5C20EEABA663751DF20AED1E7AF1905E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_AA5A486B6FCDCE851158ED1E7AF1DA0A_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_5C20EEABA663751DF20AED1E7AF1905E" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_AA5A486B6FCDCE851158ED1E7AF1DA0A_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_AA5A486B6FCDCE851158ED1E7AF1DA0A" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_5C20EEABA663751DF20AED1E7AF1905E" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_AA5A486B6FCDCE851158ED1E7AF1DA0A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_5893741C81371B1E600EED1E7AF12227" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_AA5A486B6FCDCE851158ED1E7AF1DA0A" xlink:to="loc_us-gaap_CostOfSalesMember_5893741C81371B1E600EED1E7AF12227" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_38A33C290B6252CD46F8ED1E7AF184BC" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_AA5A486B6FCDCE851158ED1E7AF1DA0A" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_38A33C290B6252CD46F8ED1E7AF184BC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_6F3464D56034153CE193ED1E7AF1E31F" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_AA5A486B6FCDCE851158ED1E7AF1DA0A" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_6F3464D56034153CE193ED1E7AF1E31F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_ECA41E4C9A79AE28DD10ED1E7AF12A14" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_0097B0899F3FA708AF1BED1E7AF13983" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_ECA41E4C9A79AE28DD10ED1E7AF12A14" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/BenefitPlansTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/CommitmentsAndContingencies" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/CommitmentsAndContingenciesAdditionalInformationDetails" xlink:type="extended">
<link:loc xlink:href="aapl-20170401.xsd#aapl_CommitmentsAndContingenciesDisclosureLineItems" xlink:label="loc_aapl_CommitmentsAndContingenciesDisclosureLineItems_4C0F2411D1AE5083FB0226295AD57FCA" xlink:type="locator"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_CommitmentsAndContingenciesDisclosureTable" xlink:label="loc_aapl_CommitmentsAndContingenciesDisclosureTable_094F80615D48A3984B2E26295AD4728A" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_aapl_CommitmentsAndContingenciesDisclosureLineItems_4C0F2411D1AE5083FB0226295AD57FCA" xlink:to="loc_aapl_CommitmentsAndContingenciesDisclosureTable_094F80615D48A3984B2E26295AD4728A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LitigationCaseAxis" xlink:label="loc_us-gaap_LitigationCaseAxis_86F9026E165B18D475B426295AD4F218" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_aapl_CommitmentsAndContingenciesDisclosureTable_094F80615D48A3984B2E26295AD4728A" xlink:to="loc_us-gaap_LitigationCaseAxis_86F9026E165B18D475B426295AD4F218" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="loc_us-gaap_LitigationCaseTypeDomain_D720ABBF3DBF37E9FA6D26295AD4BB50_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LitigationCaseAxis_86F9026E165B18D475B426295AD4F218" xlink:to="loc_us-gaap_LitigationCaseTypeDomain_D720ABBF3DBF37E9FA6D26295AD4BB50_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="loc_us-gaap_LitigationCaseTypeDomain_D720ABBF3DBF37E9FA6D26295AD4BB50" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LitigationCaseAxis_86F9026E165B18D475B426295AD4F218" xlink:to="loc_us-gaap_LitigationCaseTypeDomain_D720ABBF3DBF37E9FA6D26295AD4BB50" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_SamsungElectronicsCoLtdMember" xlink:label="loc_aapl_SamsungElectronicsCoLtdMember_17FF43994A79A5A428E826295AD41516" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationCaseTypeDomain_D720ABBF3DBF37E9FA6D26295AD4BB50" xlink:to="loc_aapl_SamsungElectronicsCoLtdMember_17FF43994A79A5A428E826295AD41516" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_75DD79235CB32BC131FF26295AD520BC" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_aapl_CommitmentsAndContingenciesDisclosureTable_094F80615D48A3984B2E26295AD4728A" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_75DD79235CB32BC131FF26295AD520BC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_4E866F597759EC9D354926295AD5F06E_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_75DD79235CB32BC131FF26295AD520BC" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_4E866F597759EC9D354926295AD5F06E_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_4E866F597759EC9D354926295AD5F06E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_75DD79235CB32BC131FF26295AD520BC" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_4E866F597759EC9D354926295AD5F06E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SalesRevenueNetMember" xlink:label="loc_us-gaap_SalesRevenueNetMember_7586109C095932569BA826295AD53776" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_4E866F597759EC9D354926295AD5F06E" xlink:to="loc_us-gaap_SalesRevenueNetMember_7586109C095932569BA826295AD53776" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_8CB8C4BE37ABAFFB8B4C26295AD440E7" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_aapl_CommitmentsAndContingenciesDisclosureTable_094F80615D48A3984B2E26295AD4728A" xlink:to="loc_us-gaap_RangeAxis_8CB8C4BE37ABAFFB8B4C26295AD440E7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_AD7CFC34B61FCCAD72B926295AD4BEB6_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_8CB8C4BE37ABAFFB8B4C26295AD440E7" xlink:to="loc_us-gaap_RangeMember_AD7CFC34B61FCCAD72B926295AD4BEB6_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_AD7CFC34B61FCCAD72B926295AD4BEB6" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_8CB8C4BE37ABAFFB8B4C26295AD440E7" xlink:to="loc_us-gaap_RangeMember_AD7CFC34B61FCCAD72B926295AD4BEB6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_34818770FB2108E02E5926295AD46EBC" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_AD7CFC34B61FCCAD72B926295AD4BEB6" xlink:to="loc_us-gaap_MaximumMember_34818770FB2108E02E5926295AD46EBC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermPurchaseCommitmentPeriod" xlink:label="loc_us-gaap_LongtermPurchaseCommitmentPeriod_5EDB15F710D1D5B5BE2126295AD56CDF" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_CommitmentsAndContingenciesDisclosureLineItems_4C0F2411D1AE5083FB0226295AD57FCA" xlink:to="loc_us-gaap_LongtermPurchaseCommitmentPeriod_5EDB15F710D1D5B5BE2126295AD56CDF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_E916E01885108C6851DA26295AD53A0D" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_CommitmentsAndContingenciesDisclosureLineItems_4C0F2411D1AE5083FB0226295AD57FCA" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_E916E01885108C6851DA26295AD53A0D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract" xlink:label="loc_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_5AB37945BA77A60A749826295ADAD330" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_CommitmentsAndContingenciesDisclosureLineItems_4C0F2411D1AE5083FB0226295AD57FCA" xlink:to="loc_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_5AB37945BA77A60A749826295ADAD330" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_ResultOfLegalProceedings" xlink:label="loc_aapl_ResultOfLegalProceedings_4FE495FC027B9C85946926295ADAEE32" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_CommitmentsAndContingenciesDisclosureLineItems_4C0F2411D1AE5083FB0226295AD57FCA" xlink:to="loc_aapl_ResultOfLegalProceedings_4FE495FC027B9C85946926295ADAEE32" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainContingencyUnrecordedAmount" xlink:label="loc_us-gaap_GainContingencyUnrecordedAmount_5D64100C6C44AB6F6FA526295ADA07EC" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_CommitmentsAndContingenciesDisclosureLineItems_4C0F2411D1AE5083FB0226295AD57FCA" xlink:to="loc_us-gaap_GainContingencyUnrecordedAmount_5D64100C6C44AB6F6FA526295ADA07EC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromLegalSettlements" xlink:label="loc_us-gaap_ProceedsFromLegalSettlements_72A4CA5B439422AAAA1226295ADAC1C4" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_CommitmentsAndContingenciesDisclosureLineItems_4C0F2411D1AE5083FB0226295AD57FCA" xlink:to="loc_us-gaap_ProceedsFromLegalSettlements_72A4CA5B439422AAAA1226295ADAC1C4" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/CommitmentsAndContingenciesChangesInAccruedWarrantiesAndRelatedCostsDetails" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/CommitmentsAndContingenciesTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/ComprehensiveIncome" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/ComprehensiveIncomeChangeInAociByComponentDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_1F564BEB6A45F67C3F94C6CB7E4511CC" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6C1BE7FD16805661ACFEC6CB7E448363" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_1F564BEB6A45F67C3F94C6CB7E4511CC" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6C1BE7FD16805661ACFEC6CB7E448363" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_36EDA1DE5012193775B4C6CB7E44AC45" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_6C1BE7FD16805661ACFEC6CB7E448363" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_36EDA1DE5012193775B4C6CB7E44AC45" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_EFB94824A892371FDB3EC6CB7E443961_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_36EDA1DE5012193775B4C6CB7E44AC45" xlink:to="loc_us-gaap_EquityComponentDomain_EFB94824A892371FDB3EC6CB7E443961_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_EFB94824A892371FDB3EC6CB7E443961" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_36EDA1DE5012193775B4C6CB7E44AC45" xlink:to="loc_us-gaap_EquityComponentDomain_EFB94824A892371FDB3EC6CB7E443961" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_156A2C50D9DA400435EEC6CB7E4564A1" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_EFB94824A892371FDB3EC6CB7E443961" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_156A2C50D9DA400435EEC6CB7E4564A1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_1ED746F380D492C2F47BC6CB7E457137" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_EFB94824A892371FDB3EC6CB7E443961" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_1ED746F380D492C2F47BC6CB7E457137" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_7A249659D910B1BC9C7DC6CB7E45365F" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_EFB94824A892371FDB3EC6CB7E443961" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_7A249659D910B1BC9C7DC6CB7E45365F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_DFF8F5E41AA14A33CB03C6CB7E453A4C" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_EFB94824A892371FDB3EC6CB7E443961" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_DFF8F5E41AA14A33CB03C6CB7E453A4C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AOCIAttributableToParentNetOfTaxRollForward" xlink:label="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_C0C8F47FAC6AEFA64A66C6CB7E457433" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_1F564BEB6A45F67C3F94C6CB7E4511CC" xlink:to="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_C0C8F47FAC6AEFA64A66C6CB7E457433" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_8A7629963CF502994C0FC6CB7E45B2F9" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_C0C8F47FAC6AEFA64A66C6CB7E457433" xlink:to="loc_us-gaap_StockholdersEquity_8A7629963CF502994C0FC6CB7E45B2F9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent" xlink:label="loc_us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent_BBDC9CC2E6907C70A31AC6CB7E4581D5" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_C0C8F47FAC6AEFA64A66C6CB7E457433" xlink:to="loc_us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent_BBDC9CC2E6907C70A31AC6CB7E4581D5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent_0FE1A7B5ED87ED98BFA7C6CB7E45BC5A" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_C0C8F47FAC6AEFA64A66C6CB7E457433" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent_0FE1A7B5ED87ED98BFA7C6CB7E45BC5A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_31D5435934C0C664AFE0C6CB7E45E435" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_C0C8F47FAC6AEFA64A66C6CB7E457433" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_31D5435934C0C664AFE0C6CB7E45E435" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_6E1A519B3F7BFE8F823CC6CB7E45F022" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_C0C8F47FAC6AEFA64A66C6CB7E457433" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_6E1A519B3F7BFE8F823CC6CB7E45F022" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/ComprehensiveIncomePreTaxAmountsReclassifiedFromAociIntoCondensedConsolidatedStatementsOfOperationsDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems" xlink:label="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_7F95120765918897ECBEC6CB252DAB88" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_363AD2F1329CF57D3124C6CB252C6FB2" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_7F95120765918897ECBEC6CB252DAB88" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_363AD2F1329CF57D3124C6CB252C6FB2" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_B4861DB7F9F100CA35FDC6CB252C1582" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_363AD2F1329CF57D3124C6CB252C6FB2" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_B4861DB7F9F100CA35FDC6CB252C1582" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_5F16BA097B312E829C70C6CB252CFAAF_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_B4861DB7F9F100CA35FDC6CB252C1582" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_5F16BA097B312E829C70C6CB252CFAAF_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_5F16BA097B312E829C70C6CB252CFAAF" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_B4861DB7F9F100CA35FDC6CB252C1582" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_5F16BA097B312E829C70C6CB252CFAAF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_D057B9EAF14BEFC2BFF6C6CB252C496D" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_5F16BA097B312E829C70C6CB252CFAAF" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_D057B9EAF14BEFC2BFF6C6CB252C496D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_22F708639F229145FCEDC6CB252D49FE" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_363AD2F1329CF57D3124C6CB252C6FB2" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_22F708639F229145FCEDC6CB252D49FE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_36668B9299217203E796C6CB252D4CBA_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_22F708639F229145FCEDC6CB252D49FE" xlink:to="loc_us-gaap_EquityComponentDomain_36668B9299217203E796C6CB252D4CBA_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_36668B9299217203E796C6CB252D4CBA" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_22F708639F229145FCEDC6CB252D49FE" xlink:to="loc_us-gaap_EquityComponentDomain_36668B9299217203E796C6CB252D4CBA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_E03F14E5FC1C811525E8C6CB252DF191" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_36668B9299217203E796C6CB252D4CBA" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_E03F14E5FC1C811525E8C6CB252DF191" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_ED490E3ED5A1A6E0087CC6CB252DDFB4" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_36668B9299217203E796C6CB252D4CBA" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_ED490E3ED5A1A6E0087CC6CB252DDFB4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_BB320B8CBC239CF54D17C6CB252DA9E3" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_363AD2F1329CF57D3124C6CB252C6FB2" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_BB320B8CBC239CF54D17C6CB252DA9E3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_798836604CF90741BCE2C6CB252D3132_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_BB320B8CBC239CF54D17C6CB252DA9E3" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_798836604CF90741BCE2C6CB252D3132_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_798836604CF90741BCE2C6CB252D3132" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_BB320B8CBC239CF54D17C6CB252DA9E3" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_798836604CF90741BCE2C6CB252D3132" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_E7AEA0C656E1F255D4CAC6CB252DF58F" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_798836604CF90741BCE2C6CB252D3132" xlink:to="loc_us-gaap_ForeignExchangeContractMember_E7AEA0C656E1F255D4CAC6CB252DF58F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_4ED9FA9676539DF3FFDEC6CB252D06F5" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_798836604CF90741BCE2C6CB252D3132" xlink:to="loc_us-gaap_InterestRateContractMember_4ED9FA9676539DF3FFDEC6CB252D06F5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_B7678FC46CBDADAD72BFC6CB252D25B5" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_7F95120765918897ECBEC6CB252DAB88" xlink:to="loc_us-gaap_SalesRevenueNet_B7678FC46CBDADAD72BFC6CB252D25B5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_FF2591D664491DC757BBC6CB252DDBC7" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_7F95120765918897ECBEC6CB252DAB88" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_FF2591D664491DC757BBC6CB252DDBC7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_E16A3BBCFCB180A7D194C6CB252D3D54" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_7F95120765918897ECBEC6CB252DAB88" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_E16A3BBCFCB180A7D194C6CB252D3D54" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_A40D56A39C56A45D7D33C6CB252D6131" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_7F95120765918897ECBEC6CB252DAB88" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_A40D56A39C56A45D7D33C6CB252D6131" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/ComprehensiveIncomeTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/CondensedConsolidatedFinancialStatementDetails" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/CondensedConsolidatedFinancialStatementDetailsOtherIncomeExpenseNetDetails" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/CondensedConsolidatedFinancialStatementDetailsOtherNonCurrentLiabilitiesDetails" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/CondensedConsolidatedFinancialStatementDetailsPropertyPlantAndEquipmentNetDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_421070716F27CF0DF6AC907514D53ED6" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_EC5FE8F94220FF86BDB7907514D5C3AF" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_421070716F27CF0DF6AC907514D53ED6" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_EC5FE8F94220FF86BDB7907514D5C3AF" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_62BF6F95A21C9E1FB6DB907514D5B022" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_EC5FE8F94220FF86BDB7907514D5C3AF" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_62BF6F95A21C9E1FB6DB907514D5B022" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_A1D0EDD0DA0D19A34517907514D5382C_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_62BF6F95A21C9E1FB6DB907514D5B022" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_A1D0EDD0DA0D19A34517907514D5382C_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_A1D0EDD0DA0D19A34517907514D5382C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_62BF6F95A21C9E1FB6DB907514D5B022" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_A1D0EDD0DA0D19A34517907514D5382C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LandAndBuildingMember" xlink:label="loc_us-gaap_LandAndBuildingMember_86623904481090F99CB0907514D54C7F" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_A1D0EDD0DA0D19A34517907514D5382C" xlink:to="loc_us-gaap_LandAndBuildingMember_86623904481090F99CB0907514D54C7F" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_MachineryEquipmentAndInternalUseSoftwareMember" xlink:label="loc_aapl_MachineryEquipmentAndInternalUseSoftwareMember_716BF5C112606EC7C6A2907514D50D5C" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_A1D0EDD0DA0D19A34517907514D5382C" xlink:to="loc_aapl_MachineryEquipmentAndInternalUseSoftwareMember_716BF5C112606EC7C6A2907514D50D5C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_E7ECCBB5175B56B90EFA907514D5839B" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_A1D0EDD0DA0D19A34517907514D5382C" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_E7ECCBB5175B56B90EFA907514D5839B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_94F2B86103E48BAB7DD7907514D6DBB9" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_421070716F27CF0DF6AC907514D53ED6" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_94F2B86103E48BAB7DD7907514D6DBB9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_B15542897AF9B56FF756907514D65367" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_421070716F27CF0DF6AC907514D53ED6" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_B15542897AF9B56FF756907514D65367" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_B559A6AD5B98B0C300D0907514D694C3" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_421070716F27CF0DF6AC907514D53ED6" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_B559A6AD5B98B0C300D0907514D694C3" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/CondensedConsolidatedFinancialStatementDetailsTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnauditedParenthetical" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/Debt" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/DebtAdditionalInformationDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_BD0C9CF9CD839512452EB5D48206D34B" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_E6A4E1262F3DFD10B749B5D481FB240F" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BD0C9CF9CD839512452EB5D48206D34B" xlink:to="loc_us-gaap_DebtInstrumentTable_E6A4E1262F3DFD10B749B5D481FB240F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_C3BE0F0A815177E36140B5D482000056" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_E6A4E1262F3DFD10B749B5D481FB240F" xlink:to="loc_us-gaap_RangeAxis_C3BE0F0A815177E36140B5D482000056" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_8AE965B90D7DB3A3E86FB5D482007657_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_C3BE0F0A815177E36140B5D482000056" xlink:to="loc_us-gaap_RangeMember_8AE965B90D7DB3A3E86FB5D482007657_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_8AE965B90D7DB3A3E86FB5D482007657" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_C3BE0F0A815177E36140B5D482000056" xlink:to="loc_us-gaap_RangeMember_8AE965B90D7DB3A3E86FB5D482007657" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_E4E3A567CEE933D7EAA8B5D48200756A" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_8AE965B90D7DB3A3E86FB5D482007657" xlink:to="loc_us-gaap_MaximumMember_E4E3A567CEE933D7EAA8B5D48200756A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_796241F8983FB25CEF74B5D48200E9E3" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_E6A4E1262F3DFD10B749B5D481FB240F" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_796241F8983FB25CEF74B5D48200E9E3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_7379AABDADE76E990223B5D482004801_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_796241F8983FB25CEF74B5D48200E9E3" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_7379AABDADE76E990223B5D482004801_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_7379AABDADE76E990223B5D482004801" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_796241F8983FB25CEF74B5D48200E9E3" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_7379AABDADE76E990223B5D482004801" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommercialPaperMember" xlink:label="loc_us-gaap_CommercialPaperMember_9774F140AEAE3479F158B5D48200139C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_7379AABDADE76E990223B5D482004801" xlink:to="loc_us-gaap_CommercialPaperMember_9774F140AEAE3479F158B5D48200139C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_EAD954B6DE83E169B87CB5D48201D4D2" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_E6A4E1262F3DFD10B749B5D481FB240F" xlink:to="loc_us-gaap_DebtInstrumentAxis_EAD954B6DE83E169B87CB5D48201D4D2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_5B872766B5402A884FBFB5D48201602B_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_EAD954B6DE83E169B87CB5D48201D4D2" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_5B872766B5402A884FBFB5D48201602B_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_5B872766B5402A884FBFB5D48201602B" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_EAD954B6DE83E169B87CB5D48201D4D2" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_5B872766B5402A884FBFB5D48201602B" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_SecondQuarter2017DebtIssuanceof10.0BillionMember" xlink:label="loc_aapl_SecondQuarter2017DebtIssuanceof10.0BillionMember_3A92D612F1185F917909B5D4820101BC" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5B872766B5402A884FBFB5D48201602B" xlink:to="loc_aapl_SecondQuarter2017DebtIssuanceof10.0BillionMember_3A92D612F1185F917909B5D4820101BC" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_SecondQuarter2017DebtIssuanceof1.0BillionMember" xlink:label="loc_aapl_SecondQuarter2017DebtIssuanceof1.0BillionMember_4A226C46AFBFFC2D255BB5D48201FBFD" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5B872766B5402A884FBFB5D48201602B" xlink:to="loc_aapl_SecondQuarter2017DebtIssuanceof1.0BillionMember_4A226C46AFBFFC2D255BB5D48201FBFD" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_ThirdQuarter2015YenDenominatedDebtIssuanceMember" xlink:label="loc_aapl_ThirdQuarter2015YenDenominatedDebtIssuanceMember_B127B6C58E8415FCC0ECB5D4820120F2" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5B872766B5402A884FBFB5D48201602B" xlink:to="loc_aapl_ThirdQuarter2015YenDenominatedDebtIssuanceMember_B127B6C58E8415FCC0ECB5D4820120F2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_17B610DEBB2E33A7F3F2B5D482015AE9" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_E6A4E1262F3DFD10B749B5D481FB240F" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_17B610DEBB2E33A7F3F2B5D482015AE9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_C36BC3E09061423735A1B5D482017347_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_17B610DEBB2E33A7F3F2B5D482015AE9" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_C36BC3E09061423735A1B5D482017347_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_C36BC3E09061423735A1B5D482017347" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_17B610DEBB2E33A7F3F2B5D482015AE9" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_C36BC3E09061423735A1B5D482017347" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_8BBCB408BF95B59DDA76B5D48201C185" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_C36BC3E09061423735A1B5D482017347" xlink:to="loc_us-gaap_InterestRateSwapMember_8BBCB408BF95B59DDA76B5D48201C185" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_13AAE6ADEB3E023ED5BFB5D482012DC6" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_E6A4E1262F3DFD10B749B5D481FB240F" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_13AAE6ADEB3E023ED5BFB5D482012DC6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_5DCA197B86B9A18995C8B5D48201FCFF_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_13AAE6ADEB3E023ED5BFB5D482012DC6" xlink:to="loc_us-gaap_HedgingRelationshipDomain_5DCA197B86B9A18995C8B5D48201FCFF_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_5DCA197B86B9A18995C8B5D48201FCFF" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_13AAE6ADEB3E023ED5BFB5D482012DC6" xlink:to="loc_us-gaap_HedgingRelationshipDomain_5DCA197B86B9A18995C8B5D48201FCFF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetInvestmentHedgingMember" xlink:label="loc_us-gaap_NetInvestmentHedgingMember_0C62EBD92236C70F7C71B5D482018D98" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_5DCA197B86B9A18995C8B5D48201FCFF" xlink:to="loc_us-gaap_NetInvestmentHedgingMember_0C62EBD92236C70F7C71B5D482018D98" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_18E90134A8145691BFD8B5D482066AC0" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_E6A4E1262F3DFD10B749B5D481FB240F" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_18E90134A8145691BFD8B5D482066AC0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_90CBAEC1E7864FA0CBF4B5D48206A5DA_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_18E90134A8145691BFD8B5D482066AC0" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_90CBAEC1E7864FA0CBF4B5D48206A5DA_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_90CBAEC1E7864FA0CBF4B5D48206A5DA" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_18E90134A8145691BFD8B5D482066AC0" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_90CBAEC1E7864FA0CBF4B5D48206A5DA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_049929D988F076C544DDB5D482062F69" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_90CBAEC1E7864FA0CBF4B5D48206A5DA" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_049929D988F076C544DDB5D482062F69" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommercialPaper" xlink:label="loc_us-gaap_CommercialPaper_AEE1FF090B7C28A6B6F1B5D48206AF60" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BD0C9CF9CD839512452EB5D48206D34B" xlink:to="loc_us-gaap_CommercialPaper_AEE1FF090B7C28A6B6F1B5D48206AF60" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="loc_us-gaap_DebtInstrumentTerm_E96D736C403682372DD8B5D48206212E" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BD0C9CF9CD839512452EB5D48206D34B" xlink:to="loc_us-gaap_DebtInstrumentTerm_E96D736C403682372DD8B5D48206212E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:label="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate_611E8544692017465058B5D4820628CF" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BD0C9CF9CD839512452EB5D48206D34B" xlink:to="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate_611E8544692017465058B5D4820628CF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_D6815A61E88A5E5D6C4EB5D482070C8D" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BD0C9CF9CD839512452EB5D48206D34B" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_D6815A61E88A5E5D6C4EB5D482070C8D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_6549D8493F0B95168676B5D48207F088" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BD0C9CF9CD839512452EB5D48206D34B" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_6549D8493F0B95168676B5D48207F088" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_33FDAFDACBE6CE2048FBB5D4820774C6" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BD0C9CF9CD839512452EB5D48206D34B" xlink:to="loc_invest_DerivativeNotionalAmount_33FDAFDACBE6CE2048FBB5D4820774C6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SeniorNotes" xlink:label="loc_us-gaap_SeniorNotes_867437DEF8A1C0CBB87CB5D4820747C9" xlink:type="locator"/>
<link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BD0C9CF9CD839512452EB5D48206D34B" xlink:to="loc_us-gaap_SeniorNotes_867437DEF8A1C0CBB87CB5D4820747C9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="loc_us-gaap_InterestExpenseDebt_062A9966BF851281C34DB5D4820700C2" xlink:type="locator"/>
<link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BD0C9CF9CD839512452EB5D48206D34B" xlink:to="loc_us-gaap_InterestExpenseDebt_062A9966BF851281C34DB5D4820700C2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="loc_us-gaap_LongTermDebtFairValue_13B173D04DC1931D73A2B5D48207BA72" xlink:type="locator"/>
<link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BD0C9CF9CD839512452EB5D48206D34B" xlink:to="loc_us-gaap_LongTermDebtFairValue_13B173D04DC1931D73A2B5D48207BA72" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/DebtSummaryOfCashFlowsAssociatedWithCommercialPaperDetails" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/DebtSummaryOfTermDebtDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_D3F74617116E6278F94EC5EABA70A1BF" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_EBB0C5EC375ED7448C37C5EABA6848E4" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D3F74617116E6278F94EC5EABA70A1BF" xlink:to="loc_us-gaap_DebtInstrumentTable_EBB0C5EC375ED7448C37C5EABA6848E4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_2189275FB91196FE3977C5EABA6812E1" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_EBB0C5EC375ED7448C37C5EABA6848E4" xlink:to="loc_us-gaap_DebtInstrumentAxis_2189275FB91196FE3977C5EABA6812E1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_9F6681A27BB30BBAA516C5EABA68A42F_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_2189275FB91196FE3977C5EABA6812E1" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_9F6681A27BB30BBAA516C5EABA68A42F_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_9F6681A27BB30BBAA516C5EABA68A42F" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_2189275FB91196FE3977C5EABA6812E1" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_9F6681A27BB30BBAA516C5EABA68A42F" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_A2013DebtIssuanceMember" xlink:label="loc_aapl_A2013DebtIssuanceMember_078D081221B41219B86CC5EABA685A27" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9F6681A27BB30BBAA516C5EABA68A42F" xlink:to="loc_aapl_A2013DebtIssuanceMember_078D081221B41219B86CC5EABA685A27" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_A2014DebtIssuanceMember" xlink:label="loc_aapl_A2014DebtIssuanceMember_DA1EF1D13C161C682EE9C5EABA68E869" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9F6681A27BB30BBAA516C5EABA68A42F" xlink:to="loc_aapl_A2014DebtIssuanceMember_DA1EF1D13C161C682EE9C5EABA68E869" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_A2015DebtIssuanceMember" xlink:label="loc_aapl_A2015DebtIssuanceMember_3B82DA776B9A67E71E96C5EABA68200E" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9F6681A27BB30BBAA516C5EABA68A42F" xlink:to="loc_aapl_A2015DebtIssuanceMember_3B82DA776B9A67E71E96C5EABA68200E" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_A2016DebtIssuanceMember" xlink:label="loc_aapl_A2016DebtIssuanceMember_16541A0B60B79C0C7F68C5EABA686F0F" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9F6681A27BB30BBAA516C5EABA68A42F" xlink:to="loc_aapl_A2016DebtIssuanceMember_16541A0B60B79C0C7F68C5EABA686F0F" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_SecondQuarter2017DebtIssuanceof10.0BillionMember" xlink:label="loc_aapl_SecondQuarter2017DebtIssuanceof10.0BillionMember_0D72BFA98A911F7AEDD2C5EABA6808A4" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9F6681A27BB30BBAA516C5EABA68A42F" xlink:to="loc_aapl_SecondQuarter2017DebtIssuanceof10.0BillionMember_0D72BFA98A911F7AEDD2C5EABA6808A4" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_SecondQuarter2017DebtIssuanceof1.0BillionMember" xlink:label="loc_aapl_SecondQuarter2017DebtIssuanceof1.0BillionMember_136BB31F0B73265F2B9BC5EABA68D753" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9F6681A27BB30BBAA516C5EABA68A42F" xlink:to="loc_aapl_SecondQuarter2017DebtIssuanceof1.0BillionMember_136BB31F0B73265F2B9BC5EABA68D753" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_D2B78E225DE35566CC33C5EABA68ECAD" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_EBB0C5EC375ED7448C37C5EABA6848E4" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_D2B78E225DE35566CC33C5EABA68ECAD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_D2B78E225DE35566CC33C5EABA68ECAD" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_D2B78E225DE35566CC33C5EABA68ECAD" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FloatingRateNotesMember" xlink:label="loc_aapl_FloatingRateNotesMember_72EB7E988E899308B24AC5EABA6E246E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FloatingRateNotesMember_72EB7E988E899308B24AC5EABA6E246E" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FixedRateRangefrom1.000to3.850NotesMember" xlink:label="loc_aapl_FixedRateRangefrom1.000to3.850NotesMember_02102EAF47599E53EC43C5EABA6FF836" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FixedRateRangefrom1.000to3.850NotesMember_02102EAF47599E53EC43C5EABA6FF836" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FixedRateRangefrom1.050to4.450NotesMember" xlink:label="loc_aapl_FixedRateRangefrom1.050to4.450NotesMember_865D1B8CC00FC611C69AC5EABA6F0A0F" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FixedRateRangefrom1.050to4.450NotesMember_865D1B8CC00FC611C69AC5EABA6F0A0F" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FixedRateRangefrom0.350to4.375NotesMember" xlink:label="loc_aapl_FixedRateRangefrom0.350to4.375NotesMember_56BF72E1B0B5D6057900C5EABA6F062F" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FixedRateRangefrom0.350to4.375NotesMember_56BF72E1B0B5D6057900C5EABA6F062F" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FixedRateRangefrom1.100to4.650NotesMember" xlink:label="loc_aapl_FixedRateRangefrom1.100to4.650NotesMember_FCC5102FBE3CAC897373C5EABA6FEFAB" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FixedRateRangefrom1.100to4.650NotesMember_FCC5102FBE3CAC897373C5EABA6FEFAB" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FloatingRateNotesDue2019Member" xlink:label="loc_aapl_FloatingRateNotesDue2019Member_3EF935626611B4A5A1D0C5EABA6F2D5F" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FloatingRateNotesDue2019Member_3EF935626611B4A5A1D0C5EABA6F2D5F" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FloatingRateNotesDue2020Member" xlink:label="loc_aapl_FloatingRateNotesDue2020Member_456149D99E280E18C2C4C5EABA6F765C" xlink:type="locator"/>
<link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FloatingRateNotesDue2020Member_456149D99E280E18C2C4C5EABA6F765C" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FloatingRateNotesDue2022Member" xlink:label="loc_aapl_FloatingRateNotesDue2022Member_6A32FBDED208D7EA398FC5EABA6F32F6" xlink:type="locator"/>
<link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FloatingRateNotesDue2022Member_6A32FBDED208D7EA398FC5EABA6F32F6" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FixedRate1.550NotesMember" xlink:label="loc_aapl_FixedRate1.550NotesMember_BF57FDA77A4FCA1CC923C5EABA6FF83D" xlink:type="locator"/>
<link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FixedRate1.550NotesMember_BF57FDA77A4FCA1CC923C5EABA6FF83D" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FixedRate1.900NotesMember" xlink:label="loc_aapl_FixedRate1.900NotesMember_5942145D3F5F2EC7F8E7C5EABA6F1050" xlink:type="locator"/>
<link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FixedRate1.900NotesMember_5942145D3F5F2EC7F8E7C5EABA6F1050" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FixedRate2.500NotesMember" xlink:label="loc_aapl_FixedRate2.500NotesMember_91E856BCEA7701A7CF5DC5EABA6F2500" xlink:type="locator"/>
<link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FixedRate2.500NotesMember_91E856BCEA7701A7CF5DC5EABA6F2500" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FixedRate3.000NotesMember" xlink:label="loc_aapl_FixedRate3.000NotesMember_96F75B4A04A9FDB99B1DC5EABA70D0EA" xlink:type="locator"/>
<link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FixedRate3.000NotesMember_96F75B4A04A9FDB99B1DC5EABA70D0EA" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FixedRate3.350NotesMember" xlink:label="loc_aapl_FixedRate3.350NotesMember_486B634DCD9B32ED71B2C5EABA7087CE" xlink:type="locator"/>
<link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FixedRate3.350NotesMember_486B634DCD9B32ED71B2C5EABA7087CE" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FixedRate4.250NotesMember" xlink:label="loc_aapl_FixedRate4.250NotesMember_61253971CCA3EEC6BE70C5EABA709A5B" xlink:type="locator"/>
<link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FixedRate4.250NotesMember_61253971CCA3EEC6BE70C5EABA709A5B" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FixedRate4.300NotesMember" xlink:label="loc_aapl_FixedRate4.300NotesMember_371CA272ED1DD7A7FC92C5EABA70A15C" xlink:type="locator"/>
<link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_523B4436881C3A6AF1A1C5EABA688E94" xlink:to="loc_aapl_FixedRate4.300NotesMember_371CA272ED1DD7A7FC92C5EABA70A15C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_0FED255A8E656911F457C5EABA705B90" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_EBB0C5EC375ED7448C37C5EABA6848E4" xlink:to="loc_us-gaap_RangeAxis_0FED255A8E656911F457C5EABA705B90" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_D13290227F0F7F1746B8C5EABA70D600_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_0FED255A8E656911F457C5EABA705B90" xlink:to="loc_us-gaap_RangeMember_D13290227F0F7F1746B8C5EABA70D600_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_D13290227F0F7F1746B8C5EABA70D600" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_0FED255A8E656911F457C5EABA705B90" xlink:to="loc_us-gaap_RangeMember_D13290227F0F7F1746B8C5EABA70D600" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_62ED8D7DDDB15036E8DAC5EABA708B28" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_D13290227F0F7F1746B8C5EABA70D600" xlink:to="loc_us-gaap_MinimumMember_62ED8D7DDDB15036E8DAC5EABA708B28" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_A00DE247E4887843F17FC5EABA70A1F7" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_D13290227F0F7F1746B8C5EABA70D600" xlink:to="loc_us-gaap_MaximumMember_A00DE247E4887843F17FC5EABA70A1F7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_9AE8A31DC1DED89A70F9C5EABA702772" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D3F74617116E6278F94EC5EABA70A1BF" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_9AE8A31DC1DED89A70F9C5EABA702772" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_A3976DE93DBBC4C15A7FC5EABA7074F2" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D3F74617116E6278F94EC5EABA70A1BF" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_A3976DE93DBBC4C15A7FC5EABA7074F2" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_HedgeAccountingAdjustmentsRelatedToLongTermDebt" xlink:label="loc_aapl_HedgeAccountingAdjustmentsRelatedToLongTermDebt_EEA73ABB1A062C11655BC5EABA709F9F" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D3F74617116E6278F94EC5EABA70A1BF" xlink:to="loc_aapl_HedgeAccountingAdjustmentsRelatedToLongTermDebt_EEA73ABB1A062C11655BC5EABA709F9F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_BF43F47E547C838EF64CC5EABA709C7D" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D3F74617116E6278F94EC5EABA70A1BF" xlink:to="loc_us-gaap_LongTermDebtCurrent_BF43F47E547C838EF64CC5EABA709C7D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_60F1BE199B37F985A79AC5EABA7125D5" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D3F74617116E6278F94EC5EABA70A1BF" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_60F1BE199B37F985A79AC5EABA7125D5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_CE24AB65B6CCF2E5AD58C5EABA714977" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D3F74617116E6278F94EC5EABA70A1BF" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_CE24AB65B6CCF2E5AD58C5EABA714977" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_DebtInstrumentMaturityYearRangeStart" xlink:label="loc_aapl_DebtInstrumentMaturityYearRangeStart_C1C2659498597551F608C5EABA70D18C" xlink:type="locator"/>
<link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D3F74617116E6278F94EC5EABA70A1BF" xlink:to="loc_aapl_DebtInstrumentMaturityYearRangeStart_C1C2659498597551F608C5EABA70D18C" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_DebtInstrumentMaturityYearRangeEnd" xlink:label="loc_aapl_DebtInstrumentMaturityYearRangeEnd_2E4EF5279CF505B38A90C5EABA7055ED" xlink:type="locator"/>
<link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D3F74617116E6278F94EC5EABA70A1BF" xlink:to="loc_aapl_DebtInstrumentMaturityYearRangeEnd_2E4EF5279CF505B38A90C5EABA7055ED" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_DebtInstrumentMaturityYear" xlink:label="loc_aapl_DebtInstrumentMaturityYear_709F78305170119ABAC3C5EABA70A80A" xlink:type="locator"/>
<link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D3F74617116E6278F94EC5EABA70A1BF" xlink:to="loc_aapl_DebtInstrumentMaturityYear_709F78305170119ABAC3C5EABA70A80A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_4E8E8D22926CF4C6D8DFC5EABA719FB7" xlink:type="locator"/>
<link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D3F74617116E6278F94EC5EABA70A1BF" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_4E8E8D22926CF4C6D8DFC5EABA719FB7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentInterestRateDuringPeriod" xlink:label="loc_us-gaap_DebtInstrumentInterestRateDuringPeriod_A2745F845B9BCB342037C5EABA71EEF3" xlink:type="locator"/>
<link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_D3F74617116E6278F94EC5EABA70A1BF" xlink:to="loc_us-gaap_DebtInstrumentInterestRateDuringPeriod_A2745F845B9BCB342037C5EABA71EEF3" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/DebtTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/DocumentAndEntityInformation" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/FinancialInstruments" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/FinancialInstrumentsAdditionalInformationDetails" xlink:type="extended">
<link:loc xlink:href="aapl-20170401.xsd#aapl_FinancialInstrumentsLineItems" xlink:label="loc_aapl_FinancialInstrumentsLineItems_F58C3158F8EB849F1B82ACCD107BA670" xlink:type="locator"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_FinancialInstrumentsTable" xlink:label="loc_aapl_FinancialInstrumentsTable_E8A6F001DB71782E0344ACCD10797CFC" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_aapl_FinancialInstrumentsLineItems_F58C3158F8EB849F1B82ACCD107BA670" xlink:to="loc_aapl_FinancialInstrumentsTable_E8A6F001DB71782E0344ACCD10797CFC" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_9E5F909097B4E33BC6EFACCD10790C19" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_aapl_FinancialInstrumentsTable_E8A6F001DB71782E0344ACCD10797CFC" xlink:to="loc_us-gaap_HedgingDesignationAxis_9E5F909097B4E33BC6EFACCD10790C19" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_8EF41DF6B7B3C29704DDACCD107A9706_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_9E5F909097B4E33BC6EFACCD10790C19" xlink:to="loc_us-gaap_HedgingDesignationDomain_8EF41DF6B7B3C29704DDACCD107A9706_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_8EF41DF6B7B3C29704DDACCD107A9706" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_9E5F909097B4E33BC6EFACCD10790C19" xlink:to="loc_us-gaap_HedgingDesignationDomain_8EF41DF6B7B3C29704DDACCD107A9706" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_BC64BE2B77952B672DBFACCD107A684E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_8EF41DF6B7B3C29704DDACCD107A9706" xlink:to="loc_us-gaap_NondesignatedMember_BC64BE2B77952B672DBFACCD107A684E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_3A2DB4AD276A8AF9F25BACCD107A7A99" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_aapl_FinancialInstrumentsTable_E8A6F001DB71782E0344ACCD10797CFC" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_3A2DB4AD276A8AF9F25BACCD107A7A99" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_BB54FAFAF3A0FA4E8198ACCD107AD7D4_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_3A2DB4AD276A8AF9F25BACCD107A7A99" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_BB54FAFAF3A0FA4E8198ACCD107AD7D4_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_BB54FAFAF3A0FA4E8198ACCD107AD7D4" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_3A2DB4AD276A8AF9F25BACCD107A7A99" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_BB54FAFAF3A0FA4E8198ACCD107AD7D4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SalesRevenueNetMember" xlink:label="loc_us-gaap_SalesRevenueNetMember_D262D43E29D9D03B20CDACCD107A5ADB" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_BB54FAFAF3A0FA4E8198ACCD107AD7D4" xlink:to="loc_us-gaap_SalesRevenueNetMember_D262D43E29D9D03B20CDACCD107A5ADB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_74DCB1DAA057C50595F7ACCD107AF155" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_BB54FAFAF3A0FA4E8198ACCD107AD7D4" xlink:to="loc_us-gaap_CostOfSalesMember_74DCB1DAA057C50595F7ACCD107AF155" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NonoperatingIncomeExpenseMember" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseMember_1ECBEEAB67EC178A7B52ACCF10BA7F17" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_BB54FAFAF3A0FA4E8198ACCD107AD7D4" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseMember_1ECBEEAB67EC178A7B52ACCF10BA7F17" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_47A883E2474406289D17ACCD107A4F20" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_aapl_FinancialInstrumentsTable_E8A6F001DB71782E0344ACCD10797CFC" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_47A883E2474406289D17ACCD107A4F20" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_DFE9D26237C02F655F7BACCD107A4C25_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_47A883E2474406289D17ACCD107A4F20" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_DFE9D26237C02F655F7BACCD107A4C25_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_DFE9D26237C02F655F7BACCD107A4C25" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_47A883E2474406289D17ACCD107A4F20" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_DFE9D26237C02F655F7BACCD107A4C25" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherCurrentAssetsMember" xlink:label="loc_us-gaap_OtherCurrentAssetsMember_F6CA9DFFCDEB3DA564DAACCD107A513B" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_DFE9D26237C02F655F7BACCD107A4C25" xlink:to="loc_us-gaap_OtherCurrentAssetsMember_F6CA9DFFCDEB3DA564DAACCD107A513B" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccruedLiabilitiesMember" xlink:label="loc_us-gaap_AccruedLiabilitiesMember_12DE8FA95D5DD0E5ACBFACCD107A1BFE" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_DFE9D26237C02F655F7BACCD107A4C25" xlink:to="loc_us-gaap_AccruedLiabilitiesMember_12DE8FA95D5DD0E5ACBFACCD107A1BFE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_6C80563602ECF81D6DC3ACCD107A1776" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_aapl_FinancialInstrumentsTable_E8A6F001DB71782E0344ACCD10797CFC" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_6C80563602ECF81D6DC3ACCD107A1776" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_D362B95C6D21E7F26D1DACCD107AE89D_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_6C80563602ECF81D6DC3ACCD107A1776" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_D362B95C6D21E7F26D1DACCD107AE89D_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_D362B95C6D21E7F26D1DACCD107AE89D" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_6C80563602ECF81D6DC3ACCD107A1776" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_D362B95C6D21E7F26D1DACCD107AE89D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TradeAccountsReceivableMember" xlink:label="loc_us-gaap_TradeAccountsReceivableMember_C71F7D32EE2FC7A45DC6ACCD107AE131" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_D362B95C6D21E7F26D1DACCD107AE89D" xlink:to="loc_us-gaap_TradeAccountsReceivableMember_C71F7D32EE2FC7A45DC6ACCD107AE131" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_NonTradeReceivableMember" xlink:label="loc_aapl_NonTradeReceivableMember_4C0883A773656DE81760ACCD107AFBDA" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_D362B95C6D21E7F26D1DACCD107AE89D" xlink:to="loc_aapl_NonTradeReceivableMember_4C0883A773656DE81760ACCD107AFBDA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_657B0ABFC6F357BD96C5ACCD107A016F" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_aapl_FinancialInstrumentsTable_E8A6F001DB71782E0344ACCD10797CFC" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_657B0ABFC6F357BD96C5ACCD107A016F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_47B009C89E0A44F01139ACCD107A7C9C_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_657B0ABFC6F357BD96C5ACCD107A016F" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_47B009C89E0A44F01139ACCD107A7C9C_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_47B009C89E0A44F01139ACCD107A7C9C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_657B0ABFC6F357BD96C5ACCD107A016F" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_47B009C89E0A44F01139ACCD107A7C9C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CreditConcentrationRiskMember" xlink:label="loc_us-gaap_CreditConcentrationRiskMember_E36564A885DBE04E9A19ACCD107B72A6" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_47B009C89E0A44F01139ACCD107A7C9C" xlink:to="loc_us-gaap_CreditConcentrationRiskMember_E36564A885DBE04E9A19ACCD107B72A6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="loc_us-gaap_MajorCustomersAxis_2F84718A5D4D287052C6ACCD107B624E" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_aapl_FinancialInstrumentsTable_E8A6F001DB71782E0344ACCD10797CFC" xlink:to="loc_us-gaap_MajorCustomersAxis_2F84718A5D4D287052C6ACCD107B624E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_73A5C70E75ECA890E34FACCD107B7308_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MajorCustomersAxis_2F84718A5D4D287052C6ACCD107B624E" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_73A5C70E75ECA890E34FACCD107B7308_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_73A5C70E75ECA890E34FACCD107B7308" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorCustomersAxis_2F84718A5D4D287052C6ACCD107B624E" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_73A5C70E75ECA890E34FACCD107B7308" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_CustomerOneConcentrationRiskMember" xlink:label="loc_aapl_CustomerOneConcentrationRiskMember_5EA80BADF854457EC9DFACCD107BD256" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_73A5C70E75ECA890E34FACCD107B7308" xlink:to="loc_aapl_CustomerOneConcentrationRiskMember_5EA80BADF854457EC9DFACCD107BD256" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_CustomerTwoConcentrationRiskMember" xlink:label="loc_aapl_CustomerTwoConcentrationRiskMember_B02BDF8D2ED5BD27A5E7ACCD107B3804" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_73A5C70E75ECA890E34FACCD107B7308" xlink:to="loc_aapl_CustomerTwoConcentrationRiskMember_B02BDF8D2ED5BD27A5E7ACCD107B3804" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_CellularNetworkCarriersMember" xlink:label="loc_aapl_CellularNetworkCarriersMember_14CBDBDAD2AB338B006BACCD107BF240" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_73A5C70E75ECA890E34FACCD107B7308" xlink:to="loc_aapl_CellularNetworkCarriersMember_14CBDBDAD2AB338B006BACCD107BF240" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_VendorOneMember" xlink:label="loc_aapl_VendorOneMember_F4876FD2369FA4CCA524ACCD107B166C" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_73A5C70E75ECA890E34FACCD107B7308" xlink:to="loc_aapl_VendorOneMember_F4876FD2369FA4CCA524ACCD107B166C" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_VendorTwoMember" xlink:label="loc_aapl_VendorTwoMember_EC681E8DD074F58FAFFBACCD107BA58B" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_73A5C70E75ECA890E34FACCD107B7308" xlink:to="loc_aapl_VendorTwoMember_EC681E8DD074F58FAFFBACCD107BA58B" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_VendorThreeMember" xlink:label="loc_aapl_VendorThreeMember_EC0C0D758FB0E8111F21ACCD107B6BC7" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_73A5C70E75ECA890E34FACCD107B7308" xlink:to="loc_aapl_VendorThreeMember_EC0C0D758FB0E8111F21ACCD107B6BC7" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_LongTermMarketableSecuritiesMaturitiesTermMinimum" xlink:label="loc_aapl_LongTermMarketableSecuritiesMaturitiesTermMinimum_26739255CD98D5C0CCAFACCD107BA1C1" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_FinancialInstrumentsLineItems_F58C3158F8EB849F1B82ACCD107BA670" xlink:to="loc_aapl_LongTermMarketableSecuritiesMaturitiesTermMinimum_26739255CD98D5C0CCAFACCD107BA1C1" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_LongTermMarketableSecuritiesMaturitiesTermMaximum" xlink:label="loc_aapl_LongTermMarketableSecuritiesMaturitiesTermMaximum_A781550C326BE8516953ACCD107B69E9" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_FinancialInstrumentsLineItems_F58C3158F8EB849F1B82ACCD107BA670" xlink:to="loc_aapl_LongTermMarketableSecuritiesMaturitiesTermMaximum_A781550C326BE8516953ACCD107B69E9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MaximumLengthOfTimeForeignCurrencyCashFlowHedge" xlink:label="loc_us-gaap_MaximumLengthOfTimeForeignCurrencyCashFlowHedge_FDB1D00AF84A6D415547ACCD107BFB1F" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_FinancialInstrumentsLineItems_F58C3158F8EB849F1B82ACCD107BA670" xlink:to="loc_us-gaap_MaximumLengthOfTimeForeignCurrencyCashFlowHedge_FDB1D00AF84A6D415547ACCD107BFB1F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1" xlink:label="loc_us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1_C085DEA31856F3143C6FACCD107B0675" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_FinancialInstrumentsLineItems_F58C3158F8EB849F1B82ACCD107BA670" xlink:to="loc_us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1_C085DEA31856F3143C6FACCD107B0675" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_7395B63CA37BEF645BD1ACCD107BBC73" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_FinancialInstrumentsLineItems_F58C3158F8EB849F1B82ACCD107BA670" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_7395B63CA37BEF645BD1ACCD107BBC73" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CollateralAlreadyPostedAggregateFairValue" xlink:label="loc_us-gaap_CollateralAlreadyPostedAggregateFairValue_DD78BABF41A01F56C8E2ACCD107B5C68" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_FinancialInstrumentsLineItems_F58C3158F8EB849F1B82ACCD107BA670" xlink:to="loc_us-gaap_CollateralAlreadyPostedAggregateFairValue_DD78BABF41A01F56C8E2ACCD107B5C68" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_CollateralAlreadyReceivedAggregateFairValue" xlink:label="loc_aapl_CollateralAlreadyReceivedAggregateFairValue_3C195C9937102101E4A3ACCD107BE6BF" xlink:type="locator"/>
<link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_FinancialInstrumentsLineItems_F58C3158F8EB849F1B82ACCD107BA670" xlink:to="loc_aapl_CollateralAlreadyReceivedAggregateFairValue_3C195C9937102101E4A3ACCD107BE6BF" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_DerivativeAssetsReductionforMasterNettingArrangements" xlink:label="loc_aapl_DerivativeAssetsReductionforMasterNettingArrangements_909F16478C2A8F136EE9ACCD107B2B80" xlink:type="locator"/>
<link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_FinancialInstrumentsLineItems_F58C3158F8EB849F1B82ACCD107BA670" xlink:to="loc_aapl_DerivativeAssetsReductionforMasterNettingArrangements_909F16478C2A8F136EE9ACCD107B2B80" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_DerivativeLiabilitiesReductionforMasterNettingArrangements" xlink:label="loc_aapl_DerivativeLiabilitiesReductionforMasterNettingArrangements_AB1C5A65F976858C6E0BACCD107C8165" xlink:type="locator"/>
<link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_FinancialInstrumentsLineItems_F58C3158F8EB849F1B82ACCD107BA670" xlink:to="loc_aapl_DerivativeLiabilitiesReductionforMasterNettingArrangements_AB1C5A65F976858C6E0BACCD107C8165" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_13AAF3BAC7A8E44A07FDACCD107CD4D8" xlink:type="locator"/>
<link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_FinancialInstrumentsLineItems_F58C3158F8EB849F1B82ACCD107BA670" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_13AAF3BAC7A8E44A07FDACCD107CD4D8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_C1AD0806E681FCE5D8F0ACCD107C0009" xlink:type="locator"/>
<link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_FinancialInstrumentsLineItems_F58C3158F8EB849F1B82ACCD107BA670" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_C1AD0806E681FCE5D8F0ACCD107C0009" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/FinancialInstrumentsCashCashEquivalentsAndMarketableSecuritiesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_536493E51750DCF4593FED1E7B6A73D2" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_4742CE768AE013C273BCED1E7B6900FA" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_536493E51750DCF4593FED1E7B6A73D2" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_4742CE768AE013C273BCED1E7B6900FA" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_8D1756554584ED627549ED1E7B697D25" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_4742CE768AE013C273BCED1E7B6900FA" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_8D1756554584ED627549ED1E7B697D25" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_851F8EBFA63916E9E37CED1E7B695C3C_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_8D1756554584ED627549ED1E7B697D25" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_851F8EBFA63916E9E37CED1E7B695C3C_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_851F8EBFA63916E9E37CED1E7B695C3C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_8D1756554584ED627549ED1E7B697D25" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_851F8EBFA63916E9E37CED1E7B695C3C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_7DC496E8D1D051AE88B9ED1E7B695F04" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_851F8EBFA63916E9E37CED1E7B695C3C" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_7DC496E8D1D051AE88B9ED1E7B695F04" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_8459D65715C7029B062FED1E7B69BB24" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_851F8EBFA63916E9E37CED1E7B695C3C" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_8459D65715C7029B062FED1E7B69BB24" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InvestmentTypeAxis" xlink:label="loc_us-gaap_InvestmentTypeAxis_0782BBABC5880CF0A98CED1E7B6A41E5" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_4742CE768AE013C273BCED1E7B6900FA" xlink:to="loc_us-gaap_InvestmentTypeAxis_0782BBABC5880CF0A98CED1E7B6A41E5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_0782BBABC5880CF0A98CED1E7B6A41E5" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_0782BBABC5880CF0A98CED1E7B6A41E5" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashMember" xlink:label="loc_us-gaap_CashMember_1B620F351BD55147A84EED1E7B6AD233" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780" xlink:to="loc_us-gaap_CashMember_1B620F351BD55147A84EED1E7B6AD233" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="loc_us-gaap_MoneyMarketFundsMember_09038DE1B4F85A6712CCED1E7B6AB3BB" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780" xlink:to="loc_us-gaap_MoneyMarketFundsMember_09038DE1B4F85A6712CCED1E7B6AB3BB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MutualFundMember" xlink:label="loc_us-gaap_MutualFundMember_90CE1A55E901EE390406ED1E7B6A2C15" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780" xlink:to="loc_us-gaap_MutualFundMember_90CE1A55E901EE390406ED1E7B6A2C15" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_USTreasurySecuritiesMember" xlink:label="loc_us-gaap_USTreasurySecuritiesMember_C31D1BD37D8BFD8E1C64ED1E7B6AD579" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780" xlink:to="loc_us-gaap_USTreasurySecuritiesMember_C31D1BD37D8BFD8E1C64ED1E7B6AD579" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_FA82784BBE47EE5B1EA4ED1E7B6A3586" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_FA82784BBE47EE5B1EA4ED1E7B6A3586" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_FE3591265F5BDA810B4DED1E7B6A9832" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_FE3591265F5BDA810B4DED1E7B6A9832" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BankTimeDepositsMember" xlink:label="loc_us-gaap_BankTimeDepositsMember_B28F9CE731BCEADDB2CAED1E7B6AAE8C" xlink:type="locator"/>
<link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780" xlink:to="loc_us-gaap_BankTimeDepositsMember_B28F9CE731BCEADDB2CAED1E7B6AAE8C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommercialPaperMember" xlink:label="loc_us-gaap_CommercialPaperMember_782CEEC2E48A43FA04AFED1E7B6A6B3D" xlink:type="locator"/>
<link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780" xlink:to="loc_us-gaap_CommercialPaperMember_782CEEC2E48A43FA04AFED1E7B6A6B3D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_E3B5B7C8E25526596223ED1E7B6AF6C4" xlink:type="locator"/>
<link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_E3B5B7C8E25526596223ED1E7B6AF6C4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_USStatesAndPoliticalSubdivisionsMember" xlink:label="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_825F11D477D6C9903A93ED1E7B6A7854" xlink:type="locator"/>
<link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780" xlink:to="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_825F11D477D6C9903A93ED1E7B6A7854" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_8317416C99FEBECD4BA9ED1E7B6AC0A9" xlink:type="locator"/>
<link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_19569357C2A34BD15C68ED1E7B6A7780" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_8317416C99FEBECD4BA9ED1E7B6AC0A9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_D8C8041A0ED96F7CC65CED1E7B6B3626" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_536493E51750DCF4593FED1E7B6A73D2" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_D8C8041A0ED96F7CC65CED1E7B6B3626" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_4A393357C6E91056EA63ED1E7B6B6006" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_536493E51750DCF4593FED1E7B6A73D2" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_4A393357C6E91056EA63ED1E7B6B6006" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_AAB08EA051265744C7CDED1E7B6BC8B4" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_536493E51750DCF4593FED1E7B6A73D2" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_AAB08EA051265744C7CDED1E7B6BC8B4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_D2C1A758AEDC748E1AE8ED1E7B6B0024" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_536493E51750DCF4593FED1E7B6A73D2" xlink:to="loc_us-gaap_AvailableForSaleSecurities_D2C1A758AEDC748E1AE8ED1E7B6B0024" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0D5B2083EED210DC2D13ED1E7B6BB56D" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_536493E51750DCF4593FED1E7B6A73D2" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0D5B2083EED210DC2D13ED1E7B6BB56D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesCurrent" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesCurrent_F23D0CF5ED2221D364CFED1E7B6BA0EC" xlink:type="locator"/>
<link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_536493E51750DCF4593FED1E7B6A73D2" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesCurrent_F23D0CF5ED2221D364CFED1E7B6BA0EC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesNoncurrent" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesNoncurrent_569EEC3E9F36F92BD222ED1E7B6B45BD" xlink:type="locator"/>
<link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_536493E51750DCF4593FED1E7B6A73D2" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesNoncurrent_569EEC3E9F36F92BD222ED1E7B6B45BD" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/FinancialInstrumentsDerivativeInstrumentsAtGrossFairValueDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_94DDF91C91452BC45A32261A84D0C95E" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_D3DDFCDF1FB01DF70C8C261A84CE788D" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94DDF91C91452BC45A32261A84D0C95E" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_D3DDFCDF1FB01DF70C8C261A84CE788D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_00C5C2898ECE56140339261A84D0D013" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_D3DDFCDF1FB01DF70C8C261A84CE788D" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_00C5C2898ECE56140339261A84D0D013" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_B9B4FF8C7DCAF42B981A261A84D088E6_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_00C5C2898ECE56140339261A84D0D013" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_B9B4FF8C7DCAF42B981A261A84D088E6_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_B9B4FF8C7DCAF42B981A261A84D088E6" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_00C5C2898ECE56140339261A84D0D013" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_B9B4FF8C7DCAF42B981A261A84D088E6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherCurrentAssetsMember" xlink:label="loc_us-gaap_OtherCurrentAssetsMember_8FEA1A5575AF91EA140D261A84D0B8DE" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_B9B4FF8C7DCAF42B981A261A84D088E6" xlink:to="loc_us-gaap_OtherCurrentAssetsMember_8FEA1A5575AF91EA140D261A84D0B8DE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccruedLiabilitiesMember" xlink:label="loc_us-gaap_AccruedLiabilitiesMember_119110860FB7FCF38BF7261A84D026B3" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_B9B4FF8C7DCAF42B981A261A84D088E6" xlink:to="loc_us-gaap_AccruedLiabilitiesMember_119110860FB7FCF38BF7261A84D026B3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_E16318E23285B0EDBE58261A84CFEDF6" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_D3DDFCDF1FB01DF70C8C261A84CE788D" xlink:to="loc_us-gaap_HedgingDesignationAxis_E16318E23285B0EDBE58261A84CFEDF6" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_0E0BF193FF2B540E96A8261A84CF0B38_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_E16318E23285B0EDBE58261A84CFEDF6" xlink:to="loc_us-gaap_HedgingDesignationDomain_0E0BF193FF2B540E96A8261A84CF0B38_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_0E0BF193FF2B540E96A8261A84CF0B38" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_E16318E23285B0EDBE58261A84CFEDF6" xlink:to="loc_us-gaap_HedgingDesignationDomain_0E0BF193FF2B540E96A8261A84CF0B38" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_93004725CFC345F18DB2261A84CF4125" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_0E0BF193FF2B540E96A8261A84CF0B38" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_93004725CFC345F18DB2261A84CF4125" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_AC3D396B9F81E83F4D3F261A84CF1172" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_0E0BF193FF2B540E96A8261A84CF0B38" xlink:to="loc_us-gaap_NondesignatedMember_AC3D396B9F81E83F4D3F261A84CF1172" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_305CFB54AC8277FB26CB261A84CF7B06" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_D3DDFCDF1FB01DF70C8C261A84CE788D" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_305CFB54AC8277FB26CB261A84CF7B06" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_C7DAF7208C5F671ED69D261A84CF28FF_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_305CFB54AC8277FB26CB261A84CF7B06" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_C7DAF7208C5F671ED69D261A84CF28FF_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_C7DAF7208C5F671ED69D261A84CF28FF" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_305CFB54AC8277FB26CB261A84CF7B06" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_C7DAF7208C5F671ED69D261A84CF28FF" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_F4A5655531E4EBA0C268261A84CF931A" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_C7DAF7208C5F671ED69D261A84CF28FF" xlink:to="loc_us-gaap_ForeignExchangeContractMember_F4A5655531E4EBA0C268261A84CF931A" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_7A53232AFF75165C3A51261A84CFDB6D" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_C7DAF7208C5F671ED69D261A84CF28FF" xlink:to="loc_us-gaap_InterestRateContractMember_7A53232AFF75165C3A51261A84CFDB6D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_18C2AFACAB9F7BD253D2261A84CFF5B9" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_D3DDFCDF1FB01DF70C8C261A84CE788D" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_18C2AFACAB9F7BD253D2261A84CFF5B9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_DF7136B3B20CDBB73667261A84CFB891_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_18C2AFACAB9F7BD253D2261A84CFF5B9" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_DF7136B3B20CDBB73667261A84CFB891_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_DF7136B3B20CDBB73667261A84CFB891" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_18C2AFACAB9F7BD253D2261A84CFF5B9" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_DF7136B3B20CDBB73667261A84CFB891" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_CE7F3CC3D1AE09834CA8261A84D02E81" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_DF7136B3B20CDBB73667261A84CFB891" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_CE7F3CC3D1AE09834CA8261A84D02E81" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeAssetsAbstract" xlink:label="loc_us-gaap_DerivativeAssetsAbstract_85746F5A58E68C60E9F6261A84D0F1B9" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94DDF91C91452BC45A32261A84D0C95E" xlink:to="loc_us-gaap_DerivativeAssetsAbstract_85746F5A58E68C60E9F6261A84D0F1B9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_82DBA1D0D1F241F1A9E0261A84D095FD" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeAssetsAbstract_85746F5A58E68C60E9F6261A84D0F1B9" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_82DBA1D0D1F241F1A9E0261A84D095FD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeLiabilitiesAbstract" xlink:label="loc_us-gaap_DerivativeLiabilitiesAbstract_14D96BEB9FF16E99AF33261A84D05DDC" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_94DDF91C91452BC45A32261A84D0C95E" xlink:to="loc_us-gaap_DerivativeLiabilitiesAbstract_14D96BEB9FF16E99AF33261A84D05DDC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_3D0D2757A638FA40977D261A84D0670C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLiabilitiesAbstract_14D96BEB9FF16E99AF33261A84D05DDC" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_3D0D2757A638FA40977D261A84D0670C" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/FinancialInstrumentsNotionalAmountsAndCreditRiskAmountsAssociatedWithDerivativeInstrumentsDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_1AB79C04BDD7976934B9F7D66FD2F737" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_9C53AD0CE445FC8E0C4FF7D66FD16825" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_1AB79C04BDD7976934B9F7D66FD2F737" xlink:to="loc_us-gaap_DerivativeTable_9C53AD0CE445FC8E0C4FF7D66FD16825" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_376EAE901E1493400051F7D66FD16DA3" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_9C53AD0CE445FC8E0C4FF7D66FD16825" xlink:to="loc_us-gaap_HedgingDesignationAxis_376EAE901E1493400051F7D66FD16DA3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_52881E73E64C851154FEF7D66FD1C27E_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_376EAE901E1493400051F7D66FD16DA3" xlink:to="loc_us-gaap_HedgingDesignationDomain_52881E73E64C851154FEF7D66FD1C27E_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_52881E73E64C851154FEF7D66FD1C27E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_376EAE901E1493400051F7D66FD16DA3" xlink:to="loc_us-gaap_HedgingDesignationDomain_52881E73E64C851154FEF7D66FD1C27E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_D2027461DACD7DA46956F7D66FD18BD9" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_52881E73E64C851154FEF7D66FD1C27E" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_D2027461DACD7DA46956F7D66FD18BD9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_A55BD78A9528FD543D37F7D66FD20562" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_52881E73E64C851154FEF7D66FD1C27E" xlink:to="loc_us-gaap_NondesignatedMember_A55BD78A9528FD543D37F7D66FD20562" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_7B081D09F4BEB6FD9725F7D66FD2ABCD" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_9C53AD0CE445FC8E0C4FF7D66FD16825" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_7B081D09F4BEB6FD9725F7D66FD2ABCD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_A0C1CE96E36E4DB03104F7D66FD2BA1D_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_7B081D09F4BEB6FD9725F7D66FD2ABCD" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_A0C1CE96E36E4DB03104F7D66FD2BA1D_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_A0C1CE96E36E4DB03104F7D66FD2BA1D" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_7B081D09F4BEB6FD9725F7D66FD2ABCD" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_A0C1CE96E36E4DB03104F7D66FD2BA1D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_4BE4773E3A2222B020FAF7D66FD26402" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_A0C1CE96E36E4DB03104F7D66FD2BA1D" xlink:to="loc_us-gaap_ForeignExchangeContractMember_4BE4773E3A2222B020FAF7D66FD26402" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_690C21194CEF6DF40AD4F7D66FD21568" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_A0C1CE96E36E4DB03104F7D66FD2BA1D" xlink:to="loc_us-gaap_InterestRateContractMember_690C21194CEF6DF40AD4F7D66FD21568" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_6857ED678F4BF35169CFF7D66FD22B76" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_1AB79C04BDD7976934B9F7D66FD2F737" xlink:to="loc_invest_DerivativeNotionalAmount_6857ED678F4BF35169CFF7D66FD22B76" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_DerivativeCounterpartyCreditRiskExposure" xlink:label="loc_aapl_DerivativeCounterpartyCreditRiskExposure_89FCE2B12AFEC64BEBABF7D66FD2934D" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_1AB79C04BDD7976934B9F7D66FD2F737" xlink:to="loc_aapl_DerivativeCounterpartyCreditRiskExposure_89FCE2B12AFEC64BEBABF7D66FD2934D" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/FinancialInstrumentsPreTaxGainsAndLossesOfDerivativeAndNonDerivativeInstrumentsDesignatedAsHedgesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_EAF745D48AB982B8401C90753140F508" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_956EEBFADFA2FF19F8289075313F390A" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_EAF745D48AB982B8401C90753140F508" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_956EEBFADFA2FF19F8289075313F390A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_C8F545A74B28C0A403599075313FA143" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_956EEBFADFA2FF19F8289075313F390A" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_C8F545A74B28C0A403599075313FA143" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_02E7029CF6D3C2A7C9C89075313F6DD7_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_C8F545A74B28C0A403599075313FA143" xlink:to="loc_us-gaap_HedgingRelationshipDomain_02E7029CF6D3C2A7C9C89075313F6DD7_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_02E7029CF6D3C2A7C9C89075313F6DD7" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_C8F545A74B28C0A403599075313FA143" xlink:to="loc_us-gaap_HedgingRelationshipDomain_02E7029CF6D3C2A7C9C89075313F6DD7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="loc_us-gaap_CashFlowHedgingMember_1FF328ED09711BB339849075313F94C5" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_02E7029CF6D3C2A7C9C89075313F6DD7" xlink:to="loc_us-gaap_CashFlowHedgingMember_1FF328ED09711BB339849075313F94C5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetInvestmentHedgingMember" xlink:label="loc_us-gaap_NetInvestmentHedgingMember_38FFA6EC51ED46B2BC239075313FDFC9" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_02E7029CF6D3C2A7C9C89075313F6DD7" xlink:to="loc_us-gaap_NetInvestmentHedgingMember_38FFA6EC51ED46B2BC239075313FDFC9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueHedgingMember" xlink:label="loc_us-gaap_FairValueHedgingMember_15A054537A4BB5A8C08C9075313FB7FB" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_02E7029CF6D3C2A7C9C89075313F6DD7" xlink:to="loc_us-gaap_FairValueHedgingMember_15A054537A4BB5A8C08C9075313FB7FB" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_ED02B05D55CBCDD8C61D9075313FB558" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_956EEBFADFA2FF19F8289075313F390A" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_ED02B05D55CBCDD8C61D9075313FB558" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_E03649E93CF670B82B2F9075313FEF90_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_ED02B05D55CBCDD8C61D9075313FB558" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_E03649E93CF670B82B2F9075313FEF90_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_E03649E93CF670B82B2F9075313FEF90" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_ED02B05D55CBCDD8C61D9075313FB558" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_E03649E93CF670B82B2F9075313FEF90" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_251184542CE380E5E7129075313F2283" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_E03649E93CF670B82B2F9075313FEF90" xlink:to="loc_us-gaap_ForeignExchangeContractMember_251184542CE380E5E7129075313F2283" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_BCF362CF6DADE242AD8E90753140AA75" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_E03649E93CF670B82B2F9075313FEF90" xlink:to="loc_us-gaap_InterestRateContractMember_BCF362CF6DADE242AD8E90753140AA75" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_ForeignCurrencyDebtMember" xlink:label="loc_aapl_ForeignCurrencyDebtMember_0AFCA3045BABB2AD7F809075314089CA" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_E03649E93CF670B82B2F9075313FEF90" xlink:to="loc_aapl_ForeignCurrencyDebtMember_0AFCA3045BABB2AD7F809075314089CA" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_38A7D71878EF576097F7907531400399" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_EAF745D48AB982B8401C90753140F508" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_38A7D71878EF576097F7907531400399" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_B96A59D00F723361668F907531401D0E" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_EAF745D48AB982B8401C90753140F508" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_B96A59D00F723361668F907531401D0E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_BBD8554CAFEF5F7D5DA990753140A16F" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_EAF745D48AB982B8401C90753140F508" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_BBD8554CAFEF5F7D5DA990753140A16F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1" xlink:label="loc_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_C11B923E49AAFDC019A890753140A7DB" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_EAF745D48AB982B8401C90753140F508" xlink:to="loc_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_C11B923E49AAFDC019A890753140A7DB" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/FinancialInstrumentsTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/IncomeTaxes" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/IncomeTaxesAdditionalInformationDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxContingencyLineItems" xlink:label="loc_us-gaap_IncomeTaxContingencyLineItems_4A7B6AF529D326A87AB5ED1E7B386099" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxContingencyTable" xlink:label="loc_us-gaap_IncomeTaxContingencyTable_7151D53A283EF0165D62ED1E7B37F28A" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_4A7B6AF529D326A87AB5ED1E7B386099" xlink:to="loc_us-gaap_IncomeTaxContingencyTable_7151D53A283EF0165D62ED1E7B37F28A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_2AF8F0DC157A6D82F2A8ED1E7B37E6CD" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_7151D53A283EF0165D62ED1E7B37F28A" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_2AF8F0DC157A6D82F2A8ED1E7B37E6CD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="loc_us-gaap_LossContingencyNatureDomain_3FA9F9B1C262EFEC2F6AED1E7B38B887_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_2AF8F0DC157A6D82F2A8ED1E7B37E6CD" xlink:to="loc_us-gaap_LossContingencyNatureDomain_3FA9F9B1C262EFEC2F6AED1E7B38B887_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="loc_us-gaap_LossContingencyNatureDomain_3FA9F9B1C262EFEC2F6AED1E7B38B887" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_2AF8F0DC157A6D82F2A8ED1E7B37E6CD" xlink:to="loc_us-gaap_LossContingencyNatureDomain_3FA9F9B1C262EFEC2F6AED1E7B38B887" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_UnfavorableInvestigationOutcomeEUStateAidRulesMember" xlink:label="loc_aapl_UnfavorableInvestigationOutcomeEUStateAidRulesMember_032CF659C41A344FCC9AED1E7B38AEAC" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_3FA9F9B1C262EFEC2F6AED1E7B38B887" xlink:to="loc_aapl_UnfavorableInvestigationOutcomeEUStateAidRulesMember_032CF659C41A344FCC9AED1E7B38AEAC" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_IncomeTaxContingencyNumberOfSubsidiaries" xlink:label="loc_aapl_IncomeTaxContingencyNumberOfSubsidiaries_44D16EEDE71D28CA0169ED1E7B3814B1" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_4A7B6AF529D326A87AB5ED1E7B386099" xlink:to="loc_aapl_IncomeTaxContingencyNumberOfSubsidiaries_44D16EEDE71D28CA0169ED1E7B3814B1" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:label="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_5C7C4F277A3F6BF47467ED1E7B38D602" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_4A7B6AF529D326A87AB5ED1E7B386099" xlink:to="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_5C7C4F277A3F6BF47467ED1E7B38D602" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/SegmentInformationAndGeographicData" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/SegmentInformationAndGeographicDataReconciliationOfSegmentOperatingIncomeToCondensedConsolidatedStatementsOfOperationsDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems" xlink:label="loc_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_123A3DDCCF411A736C38F231216B08C8" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable" xlink:label="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_CFC57B436196A083CC09F231216873C7" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_123A3DDCCF411A736C38F231216B08C8" xlink:to="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_CFC57B436196A083CC09F231216873C7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_800DFA42D5FB7AC687CBF2312169A4C9" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_CFC57B436196A083CC09F231216873C7" xlink:to="loc_us-gaap_ConsolidationItemsAxis_800DFA42D5FB7AC687CBF2312169A4C9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_BF53F64F0F9A7771FECEF2312169F176_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConsolidationItemsAxis_800DFA42D5FB7AC687CBF2312169A4C9" xlink:to="loc_us-gaap_ConsolidationItemsDomain_BF53F64F0F9A7771FECEF2312169F176_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_BF53F64F0F9A7771FECEF2312169F176" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConsolidationItemsAxis_800DFA42D5FB7AC687CBF2312169A4C9" xlink:to="loc_us-gaap_ConsolidationItemsDomain_BF53F64F0F9A7771FECEF2312169F176" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_58BBCECEA33755068A4EF2312169007F" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_BF53F64F0F9A7771FECEF2312169F176" xlink:to="loc_us-gaap_OperatingSegmentsMember_58BBCECEA33755068A4EF2312169007F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MaterialReconcilingItemsMember" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_4A62B988C94E8AE9F939F231216BA785" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_BF53F64F0F9A7771FECEF2312169F176" xlink:to="loc_us-gaap_MaterialReconcilingItemsMember_4A62B988C94E8AE9F939F231216BA785" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CorporateNonSegmentMember" xlink:label="loc_us-gaap_CorporateNonSegmentMember_83B6BA51E93F609CD8F1F231216B29FD" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_BF53F64F0F9A7771FECEF2312169F176" xlink:to="loc_us-gaap_CorporateNonSegmentMember_83B6BA51E93F609CD8F1F231216B29FD" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_7B8C0B360278298330F2F231216BC45C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_123A3DDCCF411A736C38F231216B08C8" xlink:to="loc_us-gaap_OperatingIncomeLoss_7B8C0B360278298330F2F231216BC45C" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_012885B399A833C4EE67F231216BFB3D" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_123A3DDCCF411A736C38F231216B08C8" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_012885B399A833C4EE67F231216BFB3D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherOperatingIncomeExpenseNet" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_AB2FB71D96086ABE9727F231216BA2AB" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_123A3DDCCF411A736C38F231216B08C8" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_AB2FB71D96086ABE9727F231216BA2AB" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/SegmentInformationAndGeographicDataSummaryInformationByOperatingSegmentDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_3E9A75FAB49985D072449077DD10052C" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_17E2D81B25CA3BFDA3039077DD0F0A52" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3E9A75FAB49985D072449077DD10052C" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_17E2D81B25CA3BFDA3039077DD0F0A52" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_518A6474BA791097469A9077DD0F91AC" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_17E2D81B25CA3BFDA3039077DD0F0A52" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_518A6474BA791097469A9077DD0F91AC" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_E28669BCAFE59A870E2A9077DD105F39_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_518A6474BA791097469A9077DD0F91AC" xlink:to="loc_us-gaap_SegmentDomain_E28669BCAFE59A870E2A9077DD105F39_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_E28669BCAFE59A870E2A9077DD105F39" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_518A6474BA791097469A9077DD0F91AC" xlink:to="loc_us-gaap_SegmentDomain_E28669BCAFE59A870E2A9077DD105F39" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_AmericasSegmentMember" xlink:label="loc_aapl_AmericasSegmentMember_A973758FCBB31F73AA879077DD10691F" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_E28669BCAFE59A870E2A9077DD105F39" xlink:to="loc_aapl_AmericasSegmentMember_A973758FCBB31F73AA879077DD10691F" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_EuropeSegmentMember" xlink:label="loc_aapl_EuropeSegmentMember_83374B309ADA0A5D2B539077DD1084A7" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_E28669BCAFE59A870E2A9077DD105F39" xlink:to="loc_aapl_EuropeSegmentMember_83374B309ADA0A5D2B539077DD1084A7" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_GreaterChinaSegmentMember" xlink:label="loc_aapl_GreaterChinaSegmentMember_F848451242E63BADA8639077DD1011E3" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_E28669BCAFE59A870E2A9077DD105F39" xlink:to="loc_aapl_GreaterChinaSegmentMember_F848451242E63BADA8639077DD1011E3" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_JapanSegmentMember" xlink:label="loc_aapl_JapanSegmentMember_CA5BF5E0D9AB6C0934079077DD100E20" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_E28669BCAFE59A870E2A9077DD105F39" xlink:to="loc_aapl_JapanSegmentMember_CA5BF5E0D9AB6C0934079077DD100E20" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_RestOfAsiaPacificSegmentMember" xlink:label="loc_aapl_RestOfAsiaPacificSegmentMember_A007F5E26F49DA2D09729077DD10136D" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_E28669BCAFE59A870E2A9077DD105F39" xlink:to="loc_aapl_RestOfAsiaPacificSegmentMember_A007F5E26F49DA2D09729077DD10136D" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_C541D33C25680D80AA1D9077DD10C6FE" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3E9A75FAB49985D072449077DD10052C" xlink:to="loc_us-gaap_SalesRevenueNet_C541D33C25680D80AA1D9077DD10C6FE" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_F2377F6C8328CFE3A8549077DD10FF20" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3E9A75FAB49985D072449077DD10052C" xlink:to="loc_us-gaap_OperatingIncomeLoss_F2377F6C8328CFE3A8549077DD10FF20" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/SegmentInformationAndGeographicDataTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/ShareholdersEquity" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/ShareholdersEquityAcceleratedShareRepurchaseActivityAndRelatedInformationDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AcceleratedShareRepurchasesLineItems" xlink:label="loc_us-gaap_AcceleratedShareRepurchasesLineItems_97AD19A4106FF76D9932ED1E7B128462" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AcceleratedShareRepurchasesTable" xlink:label="loc_us-gaap_AcceleratedShareRepurchasesTable_CC3CA181713DD8CF020CED1E7B11DD71" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AcceleratedShareRepurchasesLineItems_97AD19A4106FF76D9932ED1E7B128462" xlink:to="loc_us-gaap_AcceleratedShareRepurchasesTable_CC3CA181713DD8CF020CED1E7B11DD71" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_A7F1C06D6166D128D2B5ED1E7B117425" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AcceleratedShareRepurchasesTable_CC3CA181713DD8CF020CED1E7B11DD71" xlink:to="loc_us-gaap_ShareRepurchaseProgramAxis_A7F1C06D6166D128D2B5ED1E7B117425" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_4E57018224FAC0810AF5ED1E7B116E4E_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_A7F1C06D6166D128D2B5ED1E7B117425" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_4E57018224FAC0810AF5ED1E7B116E4E_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_4E57018224FAC0810AF5ED1E7B116E4E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_A7F1C06D6166D128D2B5ED1E7B117425" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_4E57018224FAC0810AF5ED1E7B116E4E" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_AcceleratedShareRepurchaseAgreementFebruary2017Member" xlink:label="loc_aapl_AcceleratedShareRepurchaseAgreementFebruary2017Member_ADDE800961BB728E9CC9ED1E7B115898" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_4E57018224FAC0810AF5ED1E7B116E4E" xlink:to="loc_aapl_AcceleratedShareRepurchaseAgreementFebruary2017Member_ADDE800961BB728E9CC9ED1E7B115898" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_AcceleratedShareRepurchaseAgreementNovember2016Member" xlink:label="loc_aapl_AcceleratedShareRepurchaseAgreementNovember2016Member_1EE4BBDD524047D2F15DED1E7B1130D8" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_4E57018224FAC0810AF5ED1E7B116E4E" xlink:to="loc_aapl_AcceleratedShareRepurchaseAgreementNovember2016Member_1EE4BBDD524047D2F15DED1E7B1130D8" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_AcceleratedShareRepurchaseAgreementAugust2016Member" xlink:label="loc_aapl_AcceleratedShareRepurchaseAgreementAugust2016Member_771B8A516DA4A500538EED1E7B126681" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_4E57018224FAC0810AF5ED1E7B116E4E" xlink:to="loc_aapl_AcceleratedShareRepurchaseAgreementAugust2016Member_771B8A516DA4A500538EED1E7B126681" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_AcceleratedShareRepurchaseAgreementMay2016Member" xlink:label="loc_aapl_AcceleratedShareRepurchaseAgreementMay2016Member_8AEE1C4F8CADC9707AD6ED1E7B127D43" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_4E57018224FAC0810AF5ED1E7B116E4E" xlink:to="loc_aapl_AcceleratedShareRepurchaseAgreementMay2016Member_8AEE1C4F8CADC9707AD6ED1E7B127D43" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_AcceleratedShareRepurchaseAgreementNovember2015Member" xlink:label="loc_aapl_AcceleratedShareRepurchaseAgreementNovember2015Member_E20A39DCDC7D748B5763ED1E7B1283ED" xlink:type="locator"/>
<link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_4E57018224FAC0810AF5ED1E7B116E4E" xlink:to="loc_aapl_AcceleratedShareRepurchaseAgreementNovember2015Member_E20A39DCDC7D748B5763ED1E7B1283ED" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_StockRepurchaseProgramCompletionDate" xlink:label="loc_aapl_StockRepurchaseProgramCompletionDate_68DF61152F7BE947C6A8ED1E7B12F5ED" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcceleratedShareRepurchasesLineItems_97AD19A4106FF76D9932ED1E7B128462" xlink:to="loc_aapl_StockRepurchaseProgramCompletionDate_68DF61152F7BE947C6A8ED1E7B12F5ED" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_F02367FC8124EA78140EED1E7B12A82F" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcceleratedShareRepurchasesLineItems_97AD19A4106FF76D9932ED1E7B128462" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_F02367FC8124EA78140EED1E7B12A82F" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare" xlink:label="loc_us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare_860568B0715C57D37D05ED1E7B125576" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcceleratedShareRepurchasesLineItems_97AD19A4106FF76D9932ED1E7B128462" xlink:to="loc_us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare_860568B0715C57D37D05ED1E7B125576" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_UpfrontPaymentUnderAcceleratedShareRepurchaseProgram" xlink:label="loc_aapl_UpfrontPaymentUnderAcceleratedShareRepurchaseProgram_29BD5FD4FB708BA64B4CED1E7B12426B" xlink:type="locator"/>
<link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcceleratedShareRepurchasesLineItems_97AD19A4106FF76D9932ED1E7B128462" xlink:to="loc_aapl_UpfrontPaymentUnderAcceleratedShareRepurchaseProgram_29BD5FD4FB708BA64B4CED1E7B12426B" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/ShareholdersEquityAdditionalInformationDetails" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/ShareholdersEquityRepurchasesOfCommonSharesInOpenMarketDetails" xlink:type="extended">
<link:loc xlink:href="aapl-20170401.xsd#aapl_StockRepurchaseProgramLineItems" xlink:label="loc_aapl_StockRepurchaseProgramLineItems_EDCA9FF4EBD9A2BB2EABED1E7B0D5D9A" xlink:type="locator"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_ScheduleOfStockRepurchaseProgramTable" xlink:label="loc_aapl_ScheduleOfStockRepurchaseProgramTable_B9873121573CD27D9741ED1E7B0D4F66" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_aapl_StockRepurchaseProgramLineItems_EDCA9FF4EBD9A2BB2EABED1E7B0D5D9A" xlink:to="loc_aapl_ScheduleOfStockRepurchaseProgramTable_B9873121573CD27D9741ED1E7B0D4F66" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_2E2D76AD88FDA2ECED2EED1E7B0DDF3E" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_aapl_ScheduleOfStockRepurchaseProgramTable_B9873121573CD27D9741ED1E7B0D4F66" xlink:to="loc_us-gaap_ShareRepurchaseProgramAxis_2E2D76AD88FDA2ECED2EED1E7B0DDF3E" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_A0079750C94F7C4473DCED1E7B0D5969_default" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_2E2D76AD88FDA2ECED2EED1E7B0DDF3E" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_A0079750C94F7C4473DCED1E7B0D5969_default" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_A0079750C94F7C4473DCED1E7B0D5969" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_2E2D76AD88FDA2ECED2EED1E7B0DDF3E" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_A0079750C94F7C4473DCED1E7B0D5969" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_OpenMarketRepurchasesMember" xlink:label="loc_aapl_OpenMarketRepurchasesMember_A18D19E6DDBE73A60103ED1E7B0D4C32" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_A0079750C94F7C4473DCED1E7B0D5969" xlink:to="loc_aapl_OpenMarketRepurchasesMember_A18D19E6DDBE73A60103ED1E7B0D4C32" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_B3EE1021F7881C12B193ED1E7B0DAF1C" xlink:type="locator"/>
<link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_StockRepurchaseProgramLineItems_EDCA9FF4EBD9A2BB2EABED1E7B0D5D9A" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_B3EE1021F7881C12B193ED1E7B0DAF1C" xlink:type="arc"/>
<link:loc xlink:href="aapl-20170401.xsd#aapl_StockRepurchasedAndRetiredDuringPeriodWeightedAveragePrice" xlink:label="loc_aapl_StockRepurchasedAndRetiredDuringPeriodWeightedAveragePrice_F95D31284135F9A918C1ED1E7B0DF192" xlink:type="locator"/>
<link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_StockRepurchaseProgramLineItems_EDCA9FF4EBD9A2BB2EABED1E7B0D5D9A" xlink:to="loc_aapl_StockRepurchasedAndRetiredDuringPeriodWeightedAveragePrice_F95D31284135F9A918C1ED1E7B0DF192" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_7872B1A9F83A6B281EAFED1E7B0E4F99" xlink:type="locator"/>
<link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_aapl_StockRepurchaseProgramLineItems_EDCA9FF4EBD9A2BB2EABED1E7B0D5D9A" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_7872B1A9F83A6B281EAFED1E7B0E4F99" xlink:type="arc"/>
</link:definitionLink>
<link:definitionLink xlink:role="http://www.apple.com/role/ShareholdersEquitySummaryOfDividendsDeclaredAndPaidDetails" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/ShareholdersEquityTables" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/SummaryOfSignificantAccountingPoliciesComputationOfBasicAndDilutedEarningsPerShareDetails" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended"/>
<link:definitionLink xlink:role="http://www.apple.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:type="extended"/>
</link:linkbase>

Top
Filing Submission 0001628280-17-004790   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Mon., Apr. 29, 8:33:31.1pm ET