<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019f6d06-f3be-7526-a703-2eb5c341f388,g:2296a16a-c608-412a-8068-6726e5625de6-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.netflix.com/role/ConsolidatedStatementsofStockholdersEquityunaudited" xlink:type="simple" xlink:href="nflx-20260930.xsd#ConsolidatedStatementsofStockholdersEquityunaudited"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/ConsolidatedStatementsofStockholdersEquityunaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019f6d06-f4fb-7c85-9031-082df25b36f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019f6d06-f4fb-7493-b265-f862f3cd15ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019f6d06-f4fb-7c85-9031-082df25b36f8" xlink:to="loc_us-gaap_StatementTable_019f6d06-f4fb-7493-b265-f862f3cd15ef" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019f6d06-f4fb-7882-bb2e-51272d8ab54c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019f6d06-f4fb-7493-b265-f862f3cd15ef" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019f6d06-f4fb-7882-bb2e-51272d8ab54c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019f6d06-f4fb-7882-bb2e-51272d8ab54c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019f6d06-f4fb-7882-bb2e-51272d8ab54c" xlink:to="loc_us-gaap_EquityComponentDomain_019f6d06-f4fb-7882-bb2e-51272d8ab54c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019f6d06-f4fb-77ec-a45b-6b90f2889676" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019f6d06-f4fb-7882-bb2e-51272d8ab54c" xlink:to="loc_us-gaap_EquityComponentDomain_019f6d06-f4fb-77ec-a45b-6b90f2889676" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember_019f6d06-f4fb-74b2-a3ac-ca13d7ba2555" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019f6d06-f4fb-77ec-a45b-6b90f2889676" xlink:to="loc_us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember_019f6d06-f4fb-74b2-a3ac-ca13d7ba2555" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_019f6d06-f4fb-7e78-928f-5d7849d63ae4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019f6d06-f4fb-77ec-a45b-6b90f2889676" xlink:to="loc_us-gaap_TreasuryStockCommonMember_019f6d06-f4fb-7e78-928f-5d7849d63ae4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019f6d06-f4fb-754d-9123-57c6401d6ef0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019f6d06-f4fb-77ec-a45b-6b90f2889676" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019f6d06-f4fb-754d-9123-57c6401d6ef0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_019f6d06-f4fb-7a7b-8fa7-afc6176f42a7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019f6d06-f4fb-77ec-a45b-6b90f2889676" xlink:to="loc_us-gaap_RetainedEarningsMember_019f6d06-f4fb-7a7b-8fa7-afc6176f42a7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019f6d06-f4fb-7f20-bad2-5619a33bad80" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019f6d06-f4fb-7c85-9031-082df25b36f8" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019f6d06-f4fb-7f20-bad2-5619a33bad80" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019f6d06-f4fb-7142-9fe9-5c6bcff1ae9d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019f6d06-f4fb-7f20-bad2-5619a33bad80" xlink:to="loc_us-gaap_StockholdersEquity_019f6d06-f4fb-7142-9fe9-5c6bcff1ae9d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_019f6d06-f4fb-7b5f-a5f5-dc323f43ca11" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019f6d06-f4fb-7f20-bad2-5619a33bad80" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_019f6d06-f4fb-7b5f-a5f5-dc323f43ca11" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019f6d06-f4fb-79d0-aecf-7c8606ab0348" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019f6d06-f4fb-7f20-bad2-5619a33bad80" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019f6d06-f4fb-79d0-aecf-7c8606ab0348" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019f6d06-f4fb-7b8c-aabc-7d615fd1316f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019f6d06-f4fb-7f20-bad2-5619a33bad80" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019f6d06-f4fb-7b8c-aabc-7d615fd1316f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019f6d06-f4fb-7f3d-97f8-3da0178bd5d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019f6d06-f4fb-7f20-bad2-5619a33bad80" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019f6d06-f4fb-7f3d-97f8-3da0178bd5d4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019f6d06-f4fb-7409-a6be-a0f69f9b5e79" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019f6d06-f4fb-7f20-bad2-5619a33bad80" xlink:to="loc_us-gaap_NetIncomeLoss_019f6d06-f4fb-7409-a6be-a0f69f9b5e79" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019f6d06-f4fb-79f0-ad6d-b4279614b81a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/RevenueRecognitionScheduleofRevenuebyRegionDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#RevenueRecognitionScheduleofRevenuebyRegionDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/RevenueRecognitionScheduleofRevenuebyRegionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019f6d06-f596-72de-bc0b-c330897ede06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019f6d06-f596-72ba-988e-ac62cfaf9ff8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019f6d06-f596-72de-bc0b-c330897ede06" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019f6d06-f596-72ba-988e-ac62cfaf9ff8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019f6d06-f596-7e38-ba47-3a9eee22afd8" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019f6d06-f596-72ba-988e-ac62cfaf9ff8" xlink:to="loc_srt_ProductOrServiceAxis_019f6d06-f596-7e38-ba47-3a9eee22afd8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019f6d06-f596-7e38-ba47-3a9eee22afd8_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019f6d06-f596-7e38-ba47-3a9eee22afd8" xlink:to="loc_srt_ProductsAndServicesDomain_019f6d06-f596-7e38-ba47-3a9eee22afd8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019f6d06-f596-7189-b6e1-5f77775ba59f" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019f6d06-f596-7e38-ba47-3a9eee22afd8" xlink:to="loc_srt_ProductsAndServicesDomain_019f6d06-f596-7189-b6e1-5f77775ba59f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_StreamingMember_019f6d06-f596-739e-9d13-66bb195f41fe" xlink:href="nflx-20260930.xsd#nflx_StreamingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019f6d06-f596-7189-b6e1-5f77775ba59f" xlink:to="loc_nflx_StreamingMember_019f6d06-f596-739e-9d13-66bb195f41fe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019f6d06-f596-7f9b-a92c-36e0d15bb046" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019f6d06-f596-72ba-988e-ac62cfaf9ff8" xlink:to="loc_srt_StatementGeographicalAxis_019f6d06-f596-7f9b-a92c-36e0d15bb046" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019f6d06-f596-7f9b-a92c-36e0d15bb046_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019f6d06-f596-7f9b-a92c-36e0d15bb046" xlink:to="loc_srt_SegmentGeographicalDomain_019f6d06-f596-7f9b-a92c-36e0d15bb046_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019f6d06-f596-7d20-b882-5c69cc3a2849" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019f6d06-f596-7f9b-a92c-36e0d15bb046" xlink:to="loc_srt_SegmentGeographicalDomain_019f6d06-f596-7d20-b882-5c69cc3a2849" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_UnitedStatesAndCanadaMember_019f6d06-f596-7d3c-bc8e-891df2e7e278" xlink:href="nflx-20260930.xsd#nflx_UnitedStatesAndCanadaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019f6d06-f596-7d20-b882-5c69cc3a2849" xlink:to="loc_nflx_UnitedStatesAndCanadaMember_019f6d06-f596-7d3c-bc8e-891df2e7e278" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EMEAMember_019f6d06-f596-7ecd-8412-2a6830c6d7a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EMEAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019f6d06-f596-7d20-b882-5c69cc3a2849" xlink:to="loc_us-gaap_EMEAMember_019f6d06-f596-7ecd-8412-2a6830c6d7a0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LatinAmericaMember_019f6d06-f596-76a9-8e27-4d51ef43bd71" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_LatinAmericaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019f6d06-f596-7d20-b882-5c69cc3a2849" xlink:to="loc_srt_LatinAmericaMember_019f6d06-f596-76a9-8e27-4d51ef43bd71" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AsiaPacificMember_019f6d06-f596-753b-b7fd-0e22f3ef2eaf" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_AsiaPacificMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019f6d06-f596-7d20-b882-5c69cc3a2849" xlink:to="loc_srt_AsiaPacificMember_019f6d06-f596-753b-b7fd-0e22f3ef2eaf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019f6d06-f596-74d1-b30e-34960acf3c60" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019f6d06-f596-72de-bc0b-c330897ede06" xlink:to="loc_us-gaap_Revenues_019f6d06-f596-74d1-b30e-34960acf3c60" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/CashCashEquivalentsRestrictedCashandShorttermInvestmentsDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#CashCashEquivalentsRestrictedCashandShorttermInvestmentsDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/CashCashEquivalentsRestrictedCashandShorttermInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsLineItems_019f6d06-f596-738e-b40e-778083833642" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_019f6d06-f596-7e07-8715-f12b47e557a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfCashAndCashEquivalentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_019f6d06-f596-738e-b40e-778083833642" xlink:to="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_019f6d06-f596-7e07-8715-f12b47e557a4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_019f6d06-f596-7a74-89b7-781fb8837dee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_019f6d06-f596-7e07-8715-f12b47e557a4" xlink:to="loc_us-gaap_FinancialInstrumentAxis_019f6d06-f596-7a74-89b7-781fb8837dee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019f6d06-f596-7a74-89b7-781fb8837dee_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019f6d06-f596-7a74-89b7-781fb8837dee" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019f6d06-f596-7a74-89b7-781fb8837dee_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019f6d06-f596-7678-a351-c2402131c9ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019f6d06-f596-7a74-89b7-781fb8837dee" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019f6d06-f596-7678-a351-c2402131c9ff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashMember_019f6d06-f596-745d-8b09-106609f5c3de" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019f6d06-f596-7678-a351-c2402131c9ff" xlink:to="loc_us-gaap_CashMember_019f6d06-f596-745d-8b09-106609f5c3de" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_019f6d06-f596-7b3d-a5a5-2c6666e4b0f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019f6d06-f596-7678-a351-c2402131c9ff" xlink:to="loc_us-gaap_MoneyMarketFundsMember_019f6d06-f596-7b3d-a5a5-2c6666e4b0f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BankTimeDepositsMember_019f6d06-f596-7545-9816-954f0840e07c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BankTimeDepositsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019f6d06-f596-7678-a351-c2402131c9ff" xlink:to="loc_us-gaap_BankTimeDepositsMember_019f6d06-f596-7545-9816-954f0840e07c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019f6d06-f596-790a-aee8-bd07291745dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfFinancialPositionLocationBalanceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_019f6d06-f596-7e07-8715-f12b47e557a4" xlink:to="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019f6d06-f596-790a-aee8-bd07291745dc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019f6d06-f596-75bd-a287-7577d355b26f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_019f6d06-f596-7e07-8715-f12b47e557a4" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019f6d06-f596-75bd-a287-7577d355b26f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019f6d06-f596-75bd-a287-7577d355b26f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019f6d06-f596-75bd-a287-7577d355b26f" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019f6d06-f596-75bd-a287-7577d355b26f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019f6d06-f596-7744-ac7e-9520e184ac26" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019f6d06-f596-75bd-a287-7577d355b26f" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019f6d06-f596-7744-ac7e-9520e184ac26" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_019f6d06-f596-7354-b76f-cbfd8100f26f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019f6d06-f596-7744-ac7e-9520e184ac26" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_019f6d06-f596-7354-b76f-cbfd8100f26f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019f6d06-f596-75a2-bdbc-8351bb2bdecb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019f6d06-f596-7744-ac7e-9520e184ac26" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019f6d06-f596-75a2-bdbc-8351bb2bdecb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019f6d06-f596-7524-b55d-81c36120e0dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_019f6d06-f596-738e-b40e-778083833642" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019f6d06-f596-7524-b55d-81c36120e0dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_019f6d06-f596-7feb-816a-0309ea7a23a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_019f6d06-f596-738e-b40e-778083833642" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_019f6d06-f596-7feb-816a-0309ea7a23a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_019f6d06-f596-71ce-a2b2-63bc68a80cfc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_019f6d06-f596-738e-b40e-778083833642" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_019f6d06-f596-71ce-a2b2-63bc68a80cfc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019f6d06-f596-749d-aa49-4acf7d9bf9ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_019f6d06-f596-738e-b40e-778083833642" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019f6d06-f596-749d-aa49-4acf7d9bf9ca" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_019f6d06-f596-7868-9a2b-1fb81bd30d01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_019f6d06-f596-738e-b40e-778083833642" xlink:to="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_019f6d06-f596-7868-9a2b-1fb81bd30d01" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/CashCashEquivalentsRestrictedCashandShorttermInvestmentsDetails_1" xlink:type="simple" xlink:href="nflx-20260930.xsd#CashCashEquivalentsRestrictedCashandShorttermInvestmentsDetails_1"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/CashCashEquivalentsRestrictedCashandShorttermInvestmentsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsLineItems_019f6d06-f596-738e-b40e-778083833642" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_019f6d06-f596-7e07-8715-f12b47e557a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfCashAndCashEquivalentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_019f6d06-f596-738e-b40e-778083833642" xlink:to="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_019f6d06-f596-7e07-8715-f12b47e557a4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_019f6d06-f596-7a74-89b7-781fb8837dee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_019f6d06-f596-7e07-8715-f12b47e557a4" xlink:to="loc_us-gaap_FinancialInstrumentAxis_019f6d06-f596-7a74-89b7-781fb8837dee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019f6d06-f596-7a74-89b7-781fb8837dee_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019f6d06-f596-7a74-89b7-781fb8837dee" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019f6d06-f596-7a74-89b7-781fb8837dee_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019f6d06-f596-7678-a351-c2402131c9ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019f6d06-f596-7a74-89b7-781fb8837dee" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019f6d06-f596-7678-a351-c2402131c9ff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashMember_019f6d06-f596-745d-8b09-106609f5c3de" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019f6d06-f596-7678-a351-c2402131c9ff" xlink:to="loc_us-gaap_CashMember_019f6d06-f596-745d-8b09-106609f5c3de" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_019f6d06-f596-7b3d-a5a5-2c6666e4b0f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019f6d06-f596-7678-a351-c2402131c9ff" xlink:to="loc_us-gaap_MoneyMarketFundsMember_019f6d06-f596-7b3d-a5a5-2c6666e4b0f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BankTimeDepositsMember_019f6d06-f596-7545-9816-954f0840e07c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BankTimeDepositsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019f6d06-f596-7678-a351-c2402131c9ff" xlink:to="loc_us-gaap_BankTimeDepositsMember_019f6d06-f596-7545-9816-954f0840e07c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019f6d06-f596-75bd-a287-7577d355b26f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_019f6d06-f596-7e07-8715-f12b47e557a4" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019f6d06-f596-75bd-a287-7577d355b26f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019f6d06-f596-75bd-a287-7577d355b26f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019f6d06-f596-75bd-a287-7577d355b26f" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019f6d06-f596-75bd-a287-7577d355b26f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019f6d06-f596-7744-ac7e-9520e184ac26" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019f6d06-f596-75bd-a287-7577d355b26f" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019f6d06-f596-7744-ac7e-9520e184ac26" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_019f6d06-f596-7354-b76f-cbfd8100f26f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019f6d06-f596-7744-ac7e-9520e184ac26" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_019f6d06-f596-7354-b76f-cbfd8100f26f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019f6d06-f596-75a2-bdbc-8351bb2bdecb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019f6d06-f596-7744-ac7e-9520e184ac26" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019f6d06-f596-75a2-bdbc-8351bb2bdecb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019f6d06-f596-7524-b55d-81c36120e0dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_019f6d06-f596-738e-b40e-778083833642" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019f6d06-f596-7524-b55d-81c36120e0dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_019f6d06-f596-7feb-816a-0309ea7a23a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_019f6d06-f596-738e-b40e-778083833642" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_019f6d06-f596-7feb-816a-0309ea7a23a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_019f6d06-f596-71ce-a2b2-63bc68a80cfc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_019f6d06-f596-738e-b40e-778083833642" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_019f6d06-f596-71ce-a2b2-63bc68a80cfc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019f6d06-f596-749d-aa49-4acf7d9bf9ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_019f6d06-f596-738e-b40e-778083833642" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019f6d06-f596-749d-aa49-4acf7d9bf9ca" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_019f6d06-f596-7868-9a2b-1fb81bd30d01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_019f6d06-f596-738e-b40e-778083833642" xlink:to="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_019f6d06-f596-7868-9a2b-1fb81bd30d01" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/BalanceSheetComponentsScheduleofComponentsofContentAssetsDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#BalanceSheetComponentsScheduleofComponentsofContentAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/BalanceSheetComponentsScheduleofComponentsofContentAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019f6d06-f597-70e1-b5e2-58b473b34e7f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019f6d06-f597-75ef-814a-d40ba176fa06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019f6d06-f597-70e1-b5e2-58b473b34e7f" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019f6d06-f597-75ef-814a-d40ba176fa06" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019f6d06-f597-7c47-a6fa-96bebf85b2db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019f6d06-f597-75ef-814a-d40ba176fa06" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019f6d06-f597-7c47-a6fa-96bebf85b2db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019f6d06-f597-7c47-a6fa-96bebf85b2db_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019f6d06-f597-7c47-a6fa-96bebf85b2db" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019f6d06-f597-7c47-a6fa-96bebf85b2db_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019f6d06-f597-7340-ad80-2edbf1993e1d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019f6d06-f597-7c47-a6fa-96bebf85b2db" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019f6d06-f597-7340-ad80-2edbf1993e1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_LicensedContentMember_019f6d06-f597-78d2-9feb-0eaff1ff02d1" xlink:href="nflx-20260930.xsd#nflx_LicensedContentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019f6d06-f597-7340-ad80-2edbf1993e1d" xlink:to="loc_nflx_LicensedContentMember_019f6d06-f597-78d2-9feb-0eaff1ff02d1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_ProducedContentMember_019f6d06-f597-7362-b8af-27eef437d58e" xlink:href="nflx-20260930.xsd#nflx_ProducedContentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019f6d06-f597-7340-ad80-2edbf1993e1d" xlink:to="loc_nflx_ProducedContentMember_019f6d06-f597-7362-b8af-27eef437d58e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_FiniteLivedIntangibleAssetsReleasedNetLessAmortization_019f6d06-f597-79ec-8a2b-de36be1f2893" xlink:href="nflx-20260930.xsd#nflx_FiniteLivedIntangibleAssetsReleasedNetLessAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019f6d06-f597-70e1-b5e2-58b473b34e7f" xlink:to="loc_nflx_FiniteLivedIntangibleAssetsReleasedNetLessAmortization_019f6d06-f597-79ec-8a2b-de36be1f2893" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_FiniteLivedIntangibleAssetsInProductionNet_019f6d06-f597-7a17-9615-9a2145dfd486" xlink:href="nflx-20260930.xsd#nflx_FiniteLivedIntangibleAssetsInProductionNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019f6d06-f597-70e1-b5e2-58b473b34e7f" xlink:to="loc_nflx_FiniteLivedIntangibleAssetsInProductionNet_019f6d06-f597-7a17-9615-9a2145dfd486" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_FiniteLivedIntangibleAssetsInDevelopmentAndPreProductionNet_019f6d06-f597-7a5d-92f7-b2724f6b531b" xlink:href="nflx-20260930.xsd#nflx_FiniteLivedIntangibleAssetsInDevelopmentAndPreProductionNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019f6d06-f597-70e1-b5e2-58b473b34e7f" xlink:to="loc_nflx_FiniteLivedIntangibleAssetsInDevelopmentAndPreProductionNet_019f6d06-f597-7a5d-92f7-b2724f6b531b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019f6d06-f597-760f-b19d-bb91211a3730" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019f6d06-f597-70e1-b5e2-58b473b34e7f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019f6d06-f597-760f-b19d-bb91211a3730" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_CostOfServicesAmortizationOfStreamingContentAssets_019f6d06-f597-748a-9420-024d6055e2dd" xlink:href="nflx-20260930.xsd#nflx_CostOfServicesAmortizationOfStreamingContentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019f6d06-f597-70e1-b5e2-58b473b34e7f" xlink:to="loc_nflx_CostOfServicesAmortizationOfStreamingContentAssets_019f6d06-f597-748a-9420-024d6055e2dd" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/BalanceSheetComponentsScheduleofPropertyandEquipmentandAccumulatedDepreciationDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#BalanceSheetComponentsScheduleofPropertyandEquipmentandAccumulatedDepreciationDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/BalanceSheetComponentsScheduleofPropertyandEquipmentandAccumulatedDepreciationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019f6d06-f597-7ccd-9081-5cba72e3e261" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019f6d06-f597-78b3-bfa8-1fbfbd4d66e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019f6d06-f597-7ccd-9081-5cba72e3e261" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019f6d06-f597-78b3-bfa8-1fbfbd4d66e9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019f6d06-f597-7473-900d-7420f1b26ba7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019f6d06-f597-78b3-bfa8-1fbfbd4d66e9" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019f6d06-f597-7473-900d-7420f1b26ba7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019f6d06-f597-7473-900d-7420f1b26ba7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019f6d06-f597-7473-900d-7420f1b26ba7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019f6d06-f597-7473-900d-7420f1b26ba7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019f6d06-f597-781c-bfd8-7de889e12850" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019f6d06-f597-7473-900d-7420f1b26ba7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019f6d06-f597-781c-bfd8-7de889e12850" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandMember_019f6d06-f597-7a8c-bfce-3d3fb3674ca3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019f6d06-f597-781c-bfd8-7de889e12850" xlink:to="loc_us-gaap_LandMember_019f6d06-f597-7a8c-bfce-3d3fb3674ca3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_019f6d06-f597-7c4a-916a-54c855e47a23" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BuildingAndBuildingImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019f6d06-f597-781c-bfd8-7de889e12850" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_019f6d06-f597-7c4a-916a-54c855e47a23" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_019f6d06-f597-7e59-aa02-cbe609a66329" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LeaseholdImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019f6d06-f597-781c-bfd8-7de889e12850" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_019f6d06-f597-7e59-aa02-cbe609a66329" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_019f6d06-f597-7696-985d-d126bebad916" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FurnitureAndFixturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019f6d06-f597-781c-bfd8-7de889e12850" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_019f6d06-f597-7696-985d-d126bebad916" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyEquipmentMember_019f6d06-f597-7457-8f05-133deedc859b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TechnologyEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019f6d06-f597-781c-bfd8-7de889e12850" xlink:to="loc_us-gaap_TechnologyEquipmentMember_019f6d06-f597-7457-8f05-133deedc859b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AirTransportationEquipmentMember_019f6d06-f597-7cc4-b162-f0260c97d68c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AirTransportationEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019f6d06-f597-781c-bfd8-7de889e12850" xlink:to="loc_us-gaap_AirTransportationEquipmentMember_019f6d06-f597-7cc4-b162-f0260c97d68c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MachineryAndEquipmentMember_019f6d06-f597-73de-9cdc-bbc5104d5d08" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MachineryAndEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019f6d06-f597-781c-bfd8-7de889e12850" xlink:to="loc_us-gaap_MachineryAndEquipmentMember_019f6d06-f597-73de-9cdc-bbc5104d5d08" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_019f6d06-f597-7bb2-96c9-c0c1eac491ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConstructionInProgressMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019f6d06-f597-781c-bfd8-7de889e12850" xlink:to="loc_us-gaap_ConstructionInProgressMember_019f6d06-f597-7bb2-96c9-c0c1eac491ff" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019f6d06-f597-7118-b34d-9327f80ac7fc" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019f6d06-f597-78b3-bfa8-1fbfbd4d66e9" xlink:to="loc_srt_RangeAxis_019f6d06-f597-7118-b34d-9327f80ac7fc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019f6d06-f597-7118-b34d-9327f80ac7fc_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019f6d06-f597-7118-b34d-9327f80ac7fc" xlink:to="loc_srt_RangeMember_019f6d06-f597-7118-b34d-9327f80ac7fc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019f6d06-f597-7028-a6a7-076258bfc40e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019f6d06-f597-7118-b34d-9327f80ac7fc" xlink:to="loc_srt_RangeMember_019f6d06-f597-7028-a6a7-076258bfc40e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019f6d06-f597-7063-aede-c64d7325a98b" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019f6d06-f597-7028-a6a7-076258bfc40e" xlink:to="loc_srt_MinimumMember_019f6d06-f597-7063-aede-c64d7325a98b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019f6d06-f597-7b47-9242-54fd2c86de76" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019f6d06-f597-7028-a6a7-076258bfc40e" xlink:to="loc_srt_MaximumMember_019f6d06-f597-7b47-9242-54fd2c86de76" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_019f6d06-f597-73e7-a311-c296c9461c14" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019f6d06-f597-7ccd-9081-5cba72e3e261" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_019f6d06-f597-73e7-a311-c296c9461c14" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_019f6d06-f597-78bf-89b5-8d003767df12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019f6d06-f597-7ccd-9081-5cba72e3e261" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_019f6d06-f597-78bf-89b5-8d003767df12" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019f6d06-f597-7c3c-a0e5-2c5fef935afb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019f6d06-f597-7ccd-9081-5cba72e3e261" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019f6d06-f597-7c3c-a0e5-2c5fef935afb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_019f6d06-f597-77e5-85f9-9d9dec5777bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019f6d06-f597-7ccd-9081-5cba72e3e261" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_019f6d06-f597-77e5-85f9-9d9dec5777bb" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/AcquisitionsDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#AcquisitionsDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/AcquisitionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_019f6d06-f597-7108-8b41-8fba260846c9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019f6d06-f597-7996-86a0-041f19522f0e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019f6d06-f597-7108-8b41-8fba260846c9" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019f6d06-f597-7996-86a0-041f19522f0e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_019f6d06-f597-7f89-908b-e0a52ef10f10" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019f6d06-f597-7996-86a0-041f19522f0e" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_019f6d06-f597-7f89-908b-e0a52ef10f10" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019f6d06-f597-7f89-908b-e0a52ef10f10_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019f6d06-f597-7f89-908b-e0a52ef10f10" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019f6d06-f597-7f89-908b-e0a52ef10f10_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019f6d06-f597-79f1-b648-e3da21f29b6b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019f6d06-f597-7f89-908b-e0a52ef10f10" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019f6d06-f597-79f1-b648-e3da21f29b6b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_019f6d06-f597-7de7-8a99-772ba2fc2521" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019f6d06-f597-79f1-b648-e3da21f29b6b" xlink:to="loc_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_019f6d06-f597-7de7-8a99-772ba2fc2521" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_WarnerBros.DiscoveryInc.Member_019f6d06-f597-7bc0-851e-b2d4031975e2" xlink:href="nflx-20260930.xsd#nflx_WarnerBros.DiscoveryInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019f6d06-f597-79f1-b648-e3da21f29b6b" xlink:to="loc_nflx_WarnerBros.DiscoveryInc.Member_019f6d06-f597-7bc0-851e-b2d4031975e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_019f6d06-f597-7c90-9aad-585f2e6b0837" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019f6d06-f597-7108-8b41-8fba260846c9" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_019f6d06-f597-7c90-9aad-585f2e6b0837" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_BusinessCombinationTerminationFeeIncome_019f6d06-f597-7d36-b851-689fbfb677fd" xlink:href="nflx-20260930.xsd#nflx_BusinessCombinationTerminationFeeIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019f6d06-f597-7108-8b41-8fba260846c9" xlink:to="loc_nflx_BusinessCombinationTerminationFeeIncome_019f6d06-f597-7d36-b851-689fbfb677fd" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/DebtNarrativeDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#DebtNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/DebtNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019f6d06-f597-7a19-bcb8-4986dac8a749" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019f6d06-f597-754a-a483-5c6e43dc7d12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019f6d06-f597-7a19-bcb8-4986dac8a749" xlink:to="loc_us-gaap_DebtInstrumentTable_019f6d06-f597-754a-a483-5c6e43dc7d12" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-75c8-8874-fe13dee6b65b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019f6d06-f597-754a-a483-5c6e43dc7d12" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-75c8-8874-fe13dee6b65b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-75c8-8874-fe13dee6b65b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-75c8-8874-fe13dee6b65b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-75c8-8874-fe13dee6b65b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-7f95-9afd-cf5790a0cc3d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-75c8-8874-fe13dee6b65b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-7f95-9afd-cf5790a0cc3d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019f6d06-f597-7169-8a1b-a9b4cf0c3104" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-7f95-9afd-cf5790a0cc3d" xlink:to="loc_us-gaap_SeniorNotesMember_019f6d06-f597-7169-8a1b-a9b4cf0c3104" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayable_019f6d06-f597-7c38-9d00-c1b7a9220576" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NotesPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019f6d06-f597-7a19-bcb8-4986dac8a749" xlink:to="loc_us-gaap_NotesPayable_019f6d06-f597-7c38-9d00-c1b7a9220576" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_019f6d06-f597-7bf2-9dc9-449e78cb83b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019f6d06-f597-7a19-bcb8-4986dac8a749" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_019f6d06-f597-7bf2-9dc9-449e78cb83b0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_DebtInstrumentFairValueHedgingAdjustment_019f6d06-f597-7252-bb8e-7718010fb6ef" xlink:href="nflx-20260930.xsd#nflx_DebtInstrumentFairValueHedgingAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019f6d06-f597-7a19-bcb8-4986dac8a749" xlink:to="loc_nflx_DebtInstrumentFairValueHedgingAdjustment_019f6d06-f597-7252-bb8e-7718010fb6ef" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_019f6d06-f597-7869-8f13-699a699a211c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermBorrowings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019f6d06-f597-7a19-bcb8-4986dac8a749" xlink:to="loc_us-gaap_ShortTermBorrowings_019f6d06-f597-7869-8f13-699a699a211c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019f6d06-f597-7ba6-a501-5630213d16d3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019f6d06-f597-7a19-bcb8-4986dac8a749" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019f6d06-f597-7ba6-a501-5630213d16d3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_019f6d06-f597-7870-8302-e3c5a19b90d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019f6d06-f597-7a19-bcb8-4986dac8a749" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_019f6d06-f597-7870-8302-e3c5a19b90d8" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_019f6d06-f597-7ada-a4b0-864b0daeb50a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019f6d06-f597-7a19-bcb8-4986dac8a749" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_019f6d06-f597-7ada-a4b0-864b0daeb50a" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/DebtScheduleofLongtermDebtDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#DebtScheduleofLongtermDebtDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/DebtScheduleofLongtermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019f6d06-f597-7fd2-b8df-139d96fc0ea9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019f6d06-f597-7dda-b7c3-f0245f3d005c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019f6d06-f597-7fd2-b8df-139d96fc0ea9" xlink:to="loc_us-gaap_DebtInstrumentTable_019f6d06-f597-7dda-b7c3-f0245f3d005c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-7b75-8089-2a742cc4a39b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019f6d06-f597-7dda-b7c3-f0245f3d005c" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-7b75-8089-2a742cc4a39b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-7b75-8089-2a742cc4a39b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-7b75-8089-2a742cc4a39b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-7b75-8089-2a742cc4a39b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-766b-ab16-13c98987bb86" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-7b75-8089-2a742cc4a39b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-766b-ab16-13c98987bb86" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019f6d06-f597-7d8b-a84d-cfb4cb308620" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-766b-ab16-13c98987bb86" xlink:to="loc_us-gaap_SeniorNotesMember_019f6d06-f597-7d8b-a84d-cfb4cb308620" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019f6d06-f597-72e0-a270-ab6ef2340e3c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019f6d06-f597-7dda-b7c3-f0245f3d005c" xlink:to="loc_us-gaap_DebtInstrumentAxis_019f6d06-f597-72e0-a270-ab6ef2340e3c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-72e0-a270-ab6ef2340e3c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019f6d06-f597-72e0-a270-ab6ef2340e3c" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-72e0-a270-ab6ef2340e3c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019f6d06-f597-72e0-a270-ab6ef2340e3c" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_FourPointThreeSevenFivePercentSeniorNotesMember_019f6d06-f597-7313-9a96-337048211617" xlink:href="nflx-20260930.xsd#nflx_FourPointThreeSevenFivePercentSeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:to="loc_nflx_FourPointThreeSevenFivePercentSeniorNotesMember_019f6d06-f597-7313-9a96-337048211617" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_ThreePointSixTwoFivePercentSeniorNotesMember_019f6d06-f597-7694-bba8-c8307053a1d7" xlink:href="nflx-20260930.xsd#nflx_ThreePointSixTwoFivePercentSeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:to="loc_nflx_ThreePointSixTwoFivePercentSeniorNotesMember_019f6d06-f597-7694-bba8-c8307053a1d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_FourPointEightSevenFivePercentSeniorNotesMember_019f6d06-f597-7fc4-a4b7-aab0e962839e" xlink:href="nflx-20260930.xsd#nflx_FourPointEightSevenFivePercentSeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:to="loc_nflx_FourPointEightSevenFivePercentSeniorNotesMember_019f6d06-f597-7fc4-a4b7-aab0e962839e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_FivePointEightSevenFivePercentSeniorNotes2018Member_019f6d06-f597-7be7-b77c-4b68ef2db3c9" xlink:href="nflx-20260930.xsd#nflx_FivePointEightSevenFivePercentSeniorNotes2018Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:to="loc_nflx_FivePointEightSevenFivePercentSeniorNotes2018Member_019f6d06-f597-7be7-b77c-4b68ef2db3c9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_FourPointSixTwoFivePercentSeniorNotesMember_019f6d06-f597-7200-b034-89cc74d5daed" xlink:href="nflx-20260930.xsd#nflx_FourPointSixTwoFivePercentSeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:to="loc_nflx_FourPointSixTwoFivePercentSeniorNotesMember_019f6d06-f597-7200-b034-89cc74d5daed" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_SixPointThreeSevenFivePercentSeniorNotesMember_019f6d06-f597-7a1b-ae38-25d99a7d6042" xlink:href="nflx-20260930.xsd#nflx_SixPointThreeSevenFivePercentSeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:to="loc_nflx_SixPointThreeSevenFivePercentSeniorNotesMember_019f6d06-f597-7a1b-ae38-25d99a7d6042" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_ThreePointEightSevenFivePercentSeniorNotesMember_019f6d06-f597-7b4c-8787-3f72e403cd74" xlink:href="nflx-20260930.xsd#nflx_ThreePointEightSevenFivePercentSeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:to="loc_nflx_ThreePointEightSevenFivePercentSeniorNotesMember_019f6d06-f597-7b4c-8787-3f72e403cd74" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_FivePointThreeSevenFivePercentSeniorNotesIssuedApril2019Member_019f6d06-f597-7b3b-b1e4-ecace2f6ab70" xlink:href="nflx-20260930.xsd#nflx_FivePointThreeSevenFivePercentSeniorNotesIssuedApril2019Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:to="loc_nflx_FivePointThreeSevenFivePercentSeniorNotesIssuedApril2019Member_019f6d06-f597-7b3b-b1e4-ecace2f6ab70" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_ThreePointSixTwoFivePercentSeniorNotesIssuedOctober2019Member_019f6d06-f597-7a3e-bea0-9bd73cc92af2" xlink:href="nflx-20260930.xsd#nflx_ThreePointSixTwoFivePercentSeniorNotesIssuedOctober2019Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:to="loc_nflx_ThreePointSixTwoFivePercentSeniorNotesIssuedOctober2019Member_019f6d06-f597-7a3e-bea0-9bd73cc92af2" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_FourPointEightSevenFivePercentSeniorNotesIssuedOctober2019Member_019f6d06-f597-7f39-a1c9-a471024248a9" xlink:href="nflx-20260930.xsd#nflx_FourPointEightSevenFivePercentSeniorNotesIssuedOctober2019Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:to="loc_nflx_FourPointEightSevenFivePercentSeniorNotesIssuedOctober2019Member_019f6d06-f597-7f39-a1c9-a471024248a9" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_FourPointNineZeroPercentSeniorNotesIssuedAugust2024Member_019f6d06-f597-70bf-9285-49dd23c9ec13" xlink:href="nflx-20260930.xsd#nflx_FourPointNineZeroPercentSeniorNotesIssuedAugust2024Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:to="loc_nflx_FourPointNineZeroPercentSeniorNotesIssuedAugust2024Member_019f6d06-f597-70bf-9285-49dd23c9ec13" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_FivePointTwoFiveZeroSeniorNotesIssuedJuly2026Member_01a0c6a1-7dcb-7888-850d-741a57a322c8" xlink:href="nflx-20260930.xsd#nflx_FivePointTwoFiveZeroSeniorNotesIssuedJuly2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:to="loc_nflx_FivePointTwoFiveZeroSeniorNotesIssuedJuly2026Member_01a0c6a1-7dcb-7888-850d-741a57a322c8" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_FivePointFourZeroPercentSeniorNotesIssuedAugust2024Member_019f6d06-f597-72ea-b947-0ef85519b61c" xlink:href="nflx-20260930.xsd#nflx_FivePointFourZeroPercentSeniorNotesIssuedAugust2024Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019f6d06-f597-71b6-b842-1742bef541a5" xlink:to="loc_nflx_FivePointFourZeroPercentSeniorNotesIssuedAugust2024Member_019f6d06-f597-72ea-b947-0ef85519b61c" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-79fc-b4cb-dc42533c63c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019f6d06-f597-7dda-b7c3-f0245f3d005c" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-79fc-b4cb-dc42533c63c4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-79fc-b4cb-dc42533c63c4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-79fc-b4cb-dc42533c63c4" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-79fc-b4cb-dc42533c63c4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-770b-b0f2-2714bb32e36c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-79fc-b4cb-dc42533c63c4" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-770b-b0f2-2714bb32e36c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateContractMember_019f6d06-f597-7cf7-ac2e-d0777041f90c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-770b-b0f2-2714bb32e36c" xlink:to="loc_us-gaap_InterestRateContractMember_019f6d06-f597-7cf7-ac2e-d0777041f90c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-7d37-b399-fd2ae3c9d8a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019f6d06-f597-7dda-b7c3-f0245f3d005c" xlink:to="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-7d37-b399-fd2ae3c9d8a5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-7d37-b399-fd2ae3c9d8a5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-7d37-b399-fd2ae3c9d8a5" xlink:to="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-7d37-b399-fd2ae3c9d8a5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-7d63-942a-efb40d95be76" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-7d37-b399-fd2ae3c9d8a5" xlink:to="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-7d63-942a-efb40d95be76" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019f6d06-f597-757d-ae9a-32e053efd8ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-7d63-942a-efb40d95be76" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019f6d06-f597-757d-ae9a-32e053efd8ca" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019f6d06-f597-7fc7-b7b3-7279ffd23e95" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019f6d06-f597-7fd2-b8df-139d96fc0ea9" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019f6d06-f597-7fc7-b7b3-7279ffd23e95" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019f6d06-f597-7bf6-a83b-52d691247a8e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019f6d06-f597-7fd2-b8df-139d96fc0ea9" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019f6d06-f597-7bf6-a83b-52d691247a8e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtFairValue_019f6d06-f597-70bd-aeaa-058fba13602b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019f6d06-f597-7fd2-b8df-139d96fc0ea9" xlink:to="loc_us-gaap_LongTermDebtFairValue_019f6d06-f597-70bd-aeaa-058fba13602b" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/DebtRevolvingCreditFacilityDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#DebtRevolvingCreditFacilityDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/DebtRevolvingCreditFacilityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_019f6d06-f597-7d1d-90ae-2424dbd2d126" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_019f6d06-f597-7507-acb1-2a885e2f22a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019f6d06-f597-7d1d-90ae-2424dbd2d126" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_019f6d06-f597-7507-acb1-2a885e2f22a0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019f6d06-f597-7f4e-8c21-de1e4d921f98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_019f6d06-f597-7507-acb1-2a885e2f22a0" xlink:to="loc_us-gaap_CreditFacilityAxis_019f6d06-f597-7f4e-8c21-de1e4d921f98" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019f6d06-f597-7f4e-8c21-de1e4d921f98_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019f6d06-f597-7f4e-8c21-de1e4d921f98" xlink:to="loc_us-gaap_CreditFacilityDomain_019f6d06-f597-7f4e-8c21-de1e4d921f98_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019f6d06-f597-7fba-996a-e73f8e91a221" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019f6d06-f597-7f4e-8c21-de1e4d921f98" xlink:to="loc_us-gaap_CreditFacilityDomain_019f6d06-f597-7fba-996a-e73f8e91a221" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019f6d06-f597-7e34-a1ec-ab9e99b9f02c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019f6d06-f597-7fba-996a-e73f8e91a221" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019f6d06-f597-7e34-a1ec-ab9e99b9f02c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-7dcd-b865-16b1f742fbe6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_019f6d06-f597-7507-acb1-2a885e2f22a0" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-7dcd-b865-16b1f742fbe6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-7dcd-b865-16b1f742fbe6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-7dcd-b865-16b1f742fbe6" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-7dcd-b865-16b1f742fbe6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-713f-88c3-1f7bf3b89bf5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-7dcd-b865-16b1f742fbe6" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-713f-88c3-1f7bf3b89bf5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_019f6d06-f597-795b-9b53-cb4c34d9dfb8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-713f-88c3-1f7bf3b89bf5" xlink:to="loc_us-gaap_UnsecuredDebtMember_019f6d06-f597-795b-9b53-cb4c34d9dfb8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019f6d06-f597-7f9c-bd45-f67924635714" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_019f6d06-f597-7507-acb1-2a885e2f22a0" xlink:to="loc_srt_RangeAxis_019f6d06-f597-7f9c-bd45-f67924635714" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019f6d06-f597-7f9c-bd45-f67924635714_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019f6d06-f597-7f9c-bd45-f67924635714" xlink:to="loc_srt_RangeMember_019f6d06-f597-7f9c-bd45-f67924635714_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019f6d06-f597-7858-bdc1-826fb1fddb79" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019f6d06-f597-7f9c-bd45-f67924635714" xlink:to="loc_srt_RangeMember_019f6d06-f597-7858-bdc1-826fb1fddb79" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019f6d06-f597-7e96-8fb0-8e6f7cb1f6b9" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019f6d06-f597-7858-bdc1-826fb1fddb79" xlink:to="loc_srt_MinimumMember_019f6d06-f597-7e96-8fb0-8e6f7cb1f6b9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019f6d06-f597-7b00-b231-22f8fb28a89a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019f6d06-f597-7858-bdc1-826fb1fddb79" xlink:to="loc_srt_MaximumMember_019f6d06-f597-7b00-b231-22f8fb28a89a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_019f6d06-f597-72dc-9c26-466f468f772b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_019f6d06-f597-7507-acb1-2a885e2f22a0" xlink:to="loc_us-gaap_VariableRateAxis_019f6d06-f597-72dc-9c26-466f468f772b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_019f6d06-f597-72dc-9c26-466f468f772b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_019f6d06-f597-72dc-9c26-466f468f772b" xlink:to="loc_us-gaap_VariableRateDomain_019f6d06-f597-72dc-9c26-466f468f772b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_019f6d06-f597-75bc-9da0-9ccee7a93141" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_019f6d06-f597-72dc-9c26-466f468f772b" xlink:to="loc_us-gaap_VariableRateDomain_019f6d06-f597-75bc-9da0-9ccee7a93141" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BaseRateMember_019f6d06-f597-722b-839c-8c25cbd2fedf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BaseRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_019f6d06-f597-75bc-9da0-9ccee7a93141" xlink:to="loc_us-gaap_BaseRateMember_019f6d06-f597-722b-839c-8c25cbd2fedf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_019f6d06-f597-764a-8738-9c725366bc30" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_019f6d06-f597-75bc-9da0-9ccee7a93141" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_019f6d06-f597-764a-8738-9c725366bc30" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTerm_019f6d06-f597-7661-8c1e-bb855fb48e75" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019f6d06-f597-7d1d-90ae-2424dbd2d126" xlink:to="loc_us-gaap_DebtInstrumentTerm_019f6d06-f597-7661-8c1e-bb855fb48e75" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019f6d06-f597-79bd-9729-465b6ebacc79" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019f6d06-f597-7d1d-90ae-2424dbd2d126" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019f6d06-f597-79bd-9729-465b6ebacc79" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_019f6d06-f597-757e-8bc3-37c19f28cd89" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019f6d06-f597-7d1d-90ae-2424dbd2d126" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_019f6d06-f597-757e-8bc3-37c19f28cd89" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019f6d06-f597-77c6-b798-dacc8fd9450e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019f6d06-f597-7d1d-90ae-2424dbd2d126" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019f6d06-f597-77c6-b798-dacc8fd9450e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_DebtInstrumentEBITDAToInterestExpense_019f6d06-f597-7ef2-9b4c-378049f2b407" xlink:href="nflx-20260930.xsd#nflx_DebtInstrumentEBITDAToInterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019f6d06-f597-7d1d-90ae-2424dbd2d126" xlink:to="loc_nflx_DebtInstrumentEBITDAToInterestExpense_019f6d06-f597-7ef2-9b4c-378049f2b407" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/DebtCommercialPaperDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#DebtCommercialPaperDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/DebtCommercialPaperDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_019f6d06-f597-7af7-a5b2-dd8ab636ee21" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_019f6d06-f597-7b7c-a3e7-8b7f38ae8774" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019f6d06-f597-7af7-a5b2-dd8ab636ee21" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_019f6d06-f597-7b7c-a3e7-8b7f38ae8774" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_019f6d06-f597-7cf2-9d58-0585708b6063" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_019f6d06-f597-7b7c-a3e7-8b7f38ae8774" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_019f6d06-f597-7cf2-9d58-0585708b6063" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_019f6d06-f597-7cf2-9d58-0585708b6063_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_019f6d06-f597-7cf2-9d58-0585708b6063" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_019f6d06-f597-7cf2-9d58-0585708b6063_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_019f6d06-f597-781f-beec-3b3b9bca3c00" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_019f6d06-f597-7cf2-9d58-0585708b6063" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_019f6d06-f597-781f-beec-3b3b9bca3c00" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember_019f6d06-f597-70e3-9f74-1047d26c61a7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommercialPaperMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_019f6d06-f597-781f-beec-3b3b9bca3c00" xlink:to="loc_us-gaap_CommercialPaperMember_019f6d06-f597-70e3-9f74-1047d26c61a7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019f6d06-f597-7f85-a117-a920462a0da8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019f6d06-f597-7af7-a5b2-dd8ab636ee21" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019f6d06-f597-7f85-a117-a920462a0da8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LinesOfCreditCurrent_019f6d06-f597-7a3d-ad68-eff1f5c7b25c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LinesOfCreditCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_019f6d06-f597-7af7-a5b2-dd8ab636ee21" xlink:to="loc_us-gaap_LinesOfCreditCurrent_019f6d06-f597-7a3d-ad68-eff1f5c7b25c" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofNotionalAmountofDerivativeContractsDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofNotionalAmountofDerivativeContractsDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofNotionalAmountofDerivativeContractsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7213-a882-ca6de4c8af8d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7f7e-9f50-5c95db03f194" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7213-a882-ca6de4c8af8d" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7f7e-9f50-5c95db03f194" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7dfb-b513-de9a21f00b5d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7f7e-9f50-5c95db03f194" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7dfb-b513-de9a21f00b5d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7dfb-b513-de9a21f00b5d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7dfb-b513-de9a21f00b5d" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7dfb-b513-de9a21f00b5d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7ae3-b473-9e27071b5432" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7dfb-b513-de9a21f00b5d" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7ae3-b473-9e27071b5432" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019f6d06-f597-7350-a08e-593f3b76ccc9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7ae3-b473-9e27071b5432" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019f6d06-f597-7350-a08e-593f3b76ccc9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateContractMember_019f6d06-f597-7e33-8f80-5588c2515883" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7ae3-b473-9e27071b5432" xlink:to="loc_us-gaap_InterestRateContractMember_019f6d06-f597-7e33-8f80-5588c2515883" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019f6d06-f597-7ea4-adc4-d69e6c575172" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7f7e-9f50-5c95db03f194" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019f6d06-f597-7ea4-adc4-d69e6c575172" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019f6d06-f597-7ea4-adc4-d69e6c575172_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019f6d06-f597-7ea4-adc4-d69e6c575172" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019f6d06-f597-7ea4-adc4-d69e6c575172_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019f6d06-f597-76bc-bea3-a5ec381c4a7c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019f6d06-f597-7ea4-adc4-d69e6c575172" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019f6d06-f597-76bc-bea3-a5ec381c4a7c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_019f6d06-f597-7344-bcf6-5214c7c8ada2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_019f6d06-f597-76bc-bea3-a5ec381c4a7c" xlink:to="loc_us-gaap_CashFlowHedgingMember_019f6d06-f597-7344-bcf6-5214c7c8ada2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueHedgingMember_019f6d06-f597-72d7-9ab3-e0d8a94d1f58" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_019f6d06-f597-76bc-bea3-a5ec381c4a7c" xlink:to="loc_us-gaap_FairValueHedgingMember_019f6d06-f597-72d7-9ab3-e0d8a94d1f58" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-75e8-99fe-5484ed1a298f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7f7e-9f50-5c95db03f194" xlink:to="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-75e8-99fe-5484ed1a298f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-75e8-99fe-5484ed1a298f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-75e8-99fe-5484ed1a298f" xlink:to="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-75e8-99fe-5484ed1a298f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-778a-ad98-27ec58349b6b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-75e8-99fe-5484ed1a298f" xlink:to="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-778a-ad98-27ec58349b6b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019f6d06-f597-7b12-a695-e404953f4a0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-778a-ad98-27ec58349b6b" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019f6d06-f597-7b12-a695-e404953f4a0b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019f6d06-f597-773f-870a-5214a03886a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-778a-ad98-27ec58349b6b" xlink:to="loc_us-gaap_NondesignatedMember_019f6d06-f597-773f-870a-5214a03886a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_019f6d06-f597-7229-85a9-3e057051695e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7213-a882-ca6de4c8af8d" xlink:to="loc_us-gaap_DerivativeNotionalAmount_019f6d06-f597-7229-85a9-3e057051695e" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesNarrativeDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#DerivativeFinancialInstrumentsandHedgingActivitiesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7078-9191-ad578a02dd0d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7268-8db2-92e77162db49" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7078-9191-ad578a02dd0d" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7268-8db2-92e77162db49" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-722c-9ee5-989f525b22aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7268-8db2-92e77162db49" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-722c-9ee5-989f525b22aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-722c-9ee5-989f525b22aa_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-722c-9ee5-989f525b22aa" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-722c-9ee5-989f525b22aa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-7a55-8929-2fe313d87832" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019f6d06-f597-722c-9ee5-989f525b22aa" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-7a55-8929-2fe313d87832" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019f6d06-f597-7693-9c39-4b5c492b09ce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019f6d06-f597-7a55-8929-2fe313d87832" xlink:to="loc_us-gaap_SeniorNotesMember_019f6d06-f597-7693-9c39-4b5c492b09ce" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7597-bc2b-5ac16892f826" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7268-8db2-92e77162db49" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7597-bc2b-5ac16892f826" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7597-bc2b-5ac16892f826_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7597-bc2b-5ac16892f826" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7597-bc2b-5ac16892f826_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7127-8662-2d40aea67a56" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7597-bc2b-5ac16892f826" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7127-8662-2d40aea67a56" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateContractMember_019f6d06-f597-7bbb-8017-74961ec90070" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7127-8662-2d40aea67a56" xlink:to="loc_us-gaap_InterestRateContractMember_019f6d06-f597-7bbb-8017-74961ec90070" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentHedgeDerivativeLiabilitiesAtFairValue_019f6d06-f597-7229-942b-5f5753084f82" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetInvestmentHedgeDerivativeLiabilitiesAtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7078-9191-ad578a02dd0d" xlink:to="loc_us-gaap_NetInvestmentHedgeDerivativeLiabilitiesAtFairValue_019f6d06-f597-7229-942b-5f5753084f82" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsInHedgesAtFairValueNet_019f6d06-f597-7f62-87f3-9d4af0ad0732" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsInHedgesAtFairValueNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7078-9191-ad578a02dd0d" xlink:to="loc_us-gaap_DerivativeInstrumentsInHedgesAtFairValueNet_019f6d06-f597-7f62-87f3-9d4af0ad0732" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease_019f6d06-f597-70bf-9e4d-c716377fa03d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7078-9191-ad578a02dd0d" xlink:to="loc_us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease_019f6d06-f597-70bf-9e4d-c716377fa03d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_019f6d06-f597-7a77-94af-911510177f50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7078-9191-ad578a02dd0d" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_019f6d06-f597-7a77-94af-911510177f50" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofFairValueofDerivativeContractsDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofFairValueofDerivativeContractsDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofFairValueofDerivativeContractsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7637-ac7d-7f1ce0cb182a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-74f5-b261-a77c520f1d04" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7637-ac7d-7f1ce0cb182a" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-74f5-b261-a77c520f1d04" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019f6d06-f597-7262-b322-8e4a339d20eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfFinancialPositionLocationBalanceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-74f5-b261-a77c520f1d04" xlink:to="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019f6d06-f597-7262-b322-8e4a339d20eb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7c2c-860e-f58bf66cf59e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-74f5-b261-a77c520f1d04" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7c2c-860e-f58bf66cf59e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7c2c-860e-f58bf66cf59e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7c2c-860e-f58bf66cf59e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7c2c-860e-f58bf66cf59e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7f96-aaf7-41115962165b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7c2c-860e-f58bf66cf59e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7f96-aaf7-41115962165b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019f6d06-f597-79ac-ab25-4a9723c4b78d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7f96-aaf7-41115962165b" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019f6d06-f597-79ac-ab25-4a9723c4b78d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateContractMember_019f6d06-f597-7ecb-9705-75aaf566777e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7f96-aaf7-41115962165b" xlink:to="loc_us-gaap_InterestRateContractMember_019f6d06-f597-7ecb-9705-75aaf566777e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-7d81-825d-e66d188ee01d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-74f5-b261-a77c520f1d04" xlink:to="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-7d81-825d-e66d188ee01d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-7d81-825d-e66d188ee01d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-7d81-825d-e66d188ee01d" xlink:to="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-7d81-825d-e66d188ee01d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-754d-ba4a-f9d3bf64f280" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-7d81-825d-e66d188ee01d" xlink:to="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-754d-ba4a-f9d3bf64f280" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019f6d06-f597-76d5-bfb4-b4d43719685e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-754d-ba4a-f9d3bf64f280" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019f6d06-f597-76d5-bfb4-b4d43719685e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019f6d06-f597-76ad-bad9-c09436056bd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-754d-ba4a-f9d3bf64f280" xlink:to="loc_us-gaap_NondesignatedMember_019f6d06-f597-76ad-bad9-c09436056bd3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019f6d06-f597-71b8-8cf1-36f1fee340da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7637-ac7d-7f1ce0cb182a" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019f6d06-f597-71b8-8cf1-36f1fee340da" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019f6d06-f597-7775-82f0-360a345b506b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7637-ac7d-7f1ce0cb182a" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019f6d06-f597-7775-82f0-360a345b506b" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofFairValueofDerivativeContractsDetails_1" xlink:type="simple" xlink:href="nflx-20260930.xsd#DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofFairValueofDerivativeContractsDetails_1"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofFairValueofDerivativeContractsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7637-ac7d-7f1ce0cb182a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-74f5-b261-a77c520f1d04" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7637-ac7d-7f1ce0cb182a" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-74f5-b261-a77c520f1d04" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7c2c-860e-f58bf66cf59e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-74f5-b261-a77c520f1d04" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7c2c-860e-f58bf66cf59e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7c2c-860e-f58bf66cf59e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7c2c-860e-f58bf66cf59e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7c2c-860e-f58bf66cf59e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7f96-aaf7-41115962165b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7c2c-860e-f58bf66cf59e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7f96-aaf7-41115962165b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019f6d06-f597-79ac-ab25-4a9723c4b78d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7f96-aaf7-41115962165b" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019f6d06-f597-79ac-ab25-4a9723c4b78d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateContractMember_019f6d06-f597-7ecb-9705-75aaf566777e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7f96-aaf7-41115962165b" xlink:to="loc_us-gaap_InterestRateContractMember_019f6d06-f597-7ecb-9705-75aaf566777e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-7d81-825d-e66d188ee01d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-74f5-b261-a77c520f1d04" xlink:to="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-7d81-825d-e66d188ee01d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-7d81-825d-e66d188ee01d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-7d81-825d-e66d188ee01d" xlink:to="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-7d81-825d-e66d188ee01d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-754d-ba4a-f9d3bf64f280" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019f6d06-f597-7d81-825d-e66d188ee01d" xlink:to="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-754d-ba4a-f9d3bf64f280" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019f6d06-f597-76d5-bfb4-b4d43719685e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-754d-ba4a-f9d3bf64f280" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019f6d06-f597-76d5-bfb4-b4d43719685e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019f6d06-f597-76ad-bad9-c09436056bd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019f6d06-f597-754d-ba4a-f9d3bf64f280" xlink:to="loc_us-gaap_NondesignatedMember_019f6d06-f597-76ad-bad9-c09436056bd3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019f6d06-f597-71b8-8cf1-36f1fee340da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7637-ac7d-7f1ce0cb182a" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019f6d06-f597-71b8-8cf1-36f1fee340da" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019f6d06-f597-7775-82f0-360a345b506b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-7637-ac7d-7f1ce0cb182a" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019f6d06-f597-7775-82f0-360a345b506b" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofEffectofDerivativeInstrumentsonConsolidatedFinancialStatementsDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofEffectofDerivativeInstrumentsonConsolidatedFinancialStatementsDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofEffectofDerivativeInstrumentsonConsolidatedFinancialStatementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-711b-aaa9-1ccf2939abe1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-72a5-9d80-5a62a7fb1e03" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-711b-aaa9-1ccf2939abe1" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-72a5-9d80-5a62a7fb1e03" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7992-9753-c924a74caa37" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-72a5-9d80-5a62a7fb1e03" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7992-9753-c924a74caa37" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7992-9753-c924a74caa37_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7992-9753-c924a74caa37" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7992-9753-c924a74caa37_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7d89-9677-4b5e4bb8b8f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7992-9753-c924a74caa37" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7d89-9677-4b5e4bb8b8f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019f6d06-f597-79c9-9637-76dd7ba9b0a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7d89-9677-4b5e4bb8b8f9" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019f6d06-f597-79c9-9637-76dd7ba9b0a0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019f6d06-f597-7ef4-8b83-fef32e5d793e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-72a5-9d80-5a62a7fb1e03" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019f6d06-f597-7ef4-8b83-fef32e5d793e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019f6d06-f597-7ef4-8b83-fef32e5d793e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019f6d06-f597-7ef4-8b83-fef32e5d793e" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019f6d06-f597-7ef4-8b83-fef32e5d793e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019f6d06-f597-7941-96b4-8cb26f80a1c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019f6d06-f597-7ef4-8b83-fef32e5d793e" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019f6d06-f597-7941-96b4-8cb26f80a1c3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_019f6d06-f597-7731-8ac2-17f6e34c11a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_019f6d06-f597-7941-96b4-8cb26f80a1c3" xlink:to="loc_us-gaap_CashFlowHedgingMember_019f6d06-f597-7731-8ac2-17f6e34c11a4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueHedgingMember_019f6d06-f597-73a2-9cbd-87fc91ec82f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_019f6d06-f597-7941-96b4-8cb26f80a1c3" xlink:to="loc_us-gaap_FairValueHedgingMember_019f6d06-f597-73a2-9cbd-87fc91ec82f7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentHedgingMember_019f6d06-f597-7e7b-8274-2405ca70763e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetInvestmentHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_019f6d06-f597-7941-96b4-8cb26f80a1c3" xlink:to="loc_us-gaap_NetInvestmentHedgingMember_019f6d06-f597-7e7b-8274-2405ca70763e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_019f6d06-f597-7b11-bed8-49eda46b1979" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-711b-aaa9-1ccf2939abe1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_019f6d06-f597-7b11-bed8-49eda46b1979" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet_019f6d06-f597-758e-b090-a76e0efc8e81" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-711b-aaa9-1ccf2939abe1" xlink:to="loc_us-gaap_GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet_019f6d06-f597-758e-b090-a76e0efc8e81" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax_019f6d06-f597-7e51-baab-b15f710617f3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-711b-aaa9-1ccf2939abe1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax_019f6d06-f597-7e51-baab-b15f710617f3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_019f6d06-f597-7037-b487-f6bbf80ccc61" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-711b-aaa9-1ccf2939abe1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_019f6d06-f597-7037-b487-f6bbf80ccc61" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofEffectsoftheCompanysDerivativeInstrumentsandRelatedHedgedItemsontheConsolidatedStatementsofOperationsDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofEffectsoftheCompanysDerivativeInstrumentsandRelatedHedgedItemsontheConsolidatedStatementsofOperationsDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofEffectsoftheCompanysDerivativeInstrumentsandRelatedHedgedItemsontheConsolidatedStatementsofOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7474-907a-62cc626939cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7474-907a-62cc626939cf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7053-acbb-b944fc4210e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7474-907a-62cc626939cf" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7053-acbb-b944fc4210e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7053-acbb-b944fc4210e1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7053-acbb-b944fc4210e1" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7053-acbb-b944fc4210e1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-76c3-9644-ae81324b4eae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7053-acbb-b944fc4210e1" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-76c3-9644-ae81324b4eae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019f6d06-f597-7216-87c2-0c2682b3e4c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-76c3-9644-ae81324b4eae" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019f6d06-f597-7216-87c2-0c2682b3e4c7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateContractMember_019f6d06-f597-75a1-a870-4061f97c5ec6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-76c3-9644-ae81324b4eae" xlink:to="loc_us-gaap_InterestRateContractMember_019f6d06-f597-75a1-a870-4061f97c5ec6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfIncomeLocationBalanceAxis_019f6d06-f597-745f-8b26-6965ff8054d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfIncomeLocationBalanceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7474-907a-62cc626939cf" xlink:to="loc_us-gaap_StatementOfIncomeLocationBalanceAxis_019f6d06-f597-745f-8b26-6965ff8054d7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019f6d06-f597-7f05-9eb9-1ef55f4ad69c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_Revenues_019f6d06-f597-7f05-9eb9-1ef55f4ad69c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_019f6d06-f597-7b10-b7f4-add4bd9b4bef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_CostOfRevenue_019f6d06-f597-7b10-b7f4-add4bd9b4bef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019f6d06-f597-7d7f-8e87-f5ad4582e516" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019f6d06-f597-7d7f-8e87-f5ad4582e516" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_019f6d06-f597-7133-af05-0c4f74dffd41" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_019f6d06-f597-7133-af05-0c4f74dffd41" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_019f6d06-f597-7a15-9b8d-d3a20688afaf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_019f6d06-f597-7a15-9b8d-d3a20688afaf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_019f6d06-f597-755e-a463-0870d85bb3ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_019f6d06-f597-755e-a463-0870d85bb3ed" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1_019f6d06-f597-70db-9f9c-9bebfaae5201" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1_019f6d06-f597-70db-9f9c-9bebfaae5201" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet_019f6d06-f597-7183-b0e7-140ce7348790" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet_019f6d06-f597-7183-b0e7-140ce7348790" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019f6d06-f597-76af-916d-df81caaa703c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019f6d06-f597-76af-916d-df81caaa703c" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofEffectsoftheCompanysDerivativeInstrumentsandRelatedHedgedItemsontheConsolidatedStatementsofOperationsDetails_1" xlink:type="simple" xlink:href="nflx-20260930.xsd#DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofEffectsoftheCompanysDerivativeInstrumentsandRelatedHedgedItemsontheConsolidatedStatementsofOperationsDetails_1"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofEffectsoftheCompanysDerivativeInstrumentsandRelatedHedgedItemsontheConsolidatedStatementsofOperationsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7474-907a-62cc626939cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7474-907a-62cc626939cf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7053-acbb-b944fc4210e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019f6d06-f597-7474-907a-62cc626939cf" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7053-acbb-b944fc4210e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7053-acbb-b944fc4210e1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7053-acbb-b944fc4210e1" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-7053-acbb-b944fc4210e1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-76c3-9644-ae81324b4eae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019f6d06-f597-7053-acbb-b944fc4210e1" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-76c3-9644-ae81324b4eae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019f6d06-f597-7216-87c2-0c2682b3e4c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-76c3-9644-ae81324b4eae" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019f6d06-f597-7216-87c2-0c2682b3e4c7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateContractMember_019f6d06-f597-75a1-a870-4061f97c5ec6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019f6d06-f597-76c3-9644-ae81324b4eae" xlink:to="loc_us-gaap_InterestRateContractMember_019f6d06-f597-75a1-a870-4061f97c5ec6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019f6d06-f597-7f05-9eb9-1ef55f4ad69c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_Revenues_019f6d06-f597-7f05-9eb9-1ef55f4ad69c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_019f6d06-f597-7b10-b7f4-add4bd9b4bef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_CostOfRevenue_019f6d06-f597-7b10-b7f4-add4bd9b4bef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019f6d06-f597-7d7f-8e87-f5ad4582e516" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019f6d06-f597-7d7f-8e87-f5ad4582e516" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_019f6d06-f597-7133-af05-0c4f74dffd41" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_019f6d06-f597-7133-af05-0c4f74dffd41" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_019f6d06-f597-7a15-9b8d-d3a20688afaf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_019f6d06-f597-7a15-9b8d-d3a20688afaf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_019f6d06-f597-755e-a463-0870d85bb3ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_019f6d06-f597-755e-a463-0870d85bb3ed" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1_019f6d06-f597-70db-9f9c-9bebfaae5201" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1_019f6d06-f597-70db-9f9c-9bebfaae5201" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet_019f6d06-f597-7183-b0e7-140ce7348790" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_GainLossFromComponentsExcludedFromAssessmentOfFairValueHedgeEffectivenessNet_019f6d06-f597-7183-b0e7-140ce7348790" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019f6d06-f597-76af-916d-df81caaa703c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019f6d06-f597-70dd-a424-d70e29a01c82" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019f6d06-f597-76af-916d-df81caaa703c" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/CommitmentsandContingenciesStreamingContentDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#CommitmentsandContingenciesStreamingContentDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/CommitmentsandContingenciesStreamingContentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_nflx_ContractualObligationLineItems_019f6d06-f597-7792-be27-0207cbbbac9f" xlink:href="nflx-20260930.xsd#nflx_ContractualObligationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_ContractualObligationTable_019f6d06-f597-7a45-badd-83cc65123462" xlink:href="nflx-20260930.xsd#nflx_ContractualObligationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_nflx_ContractualObligationLineItems_019f6d06-f597-7792-be27-0207cbbbac9f" xlink:to="loc_nflx_ContractualObligationTable_019f6d06-f597-7a45-badd-83cc65123462" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019f6d06-f597-7dc1-bc23-cecb6182f09b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfFinancialPositionLocationBalanceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_nflx_ContractualObligationTable_019f6d06-f597-7a45-badd-83cc65123462" xlink:to="loc_us-gaap_StatementOfFinancialPositionLocationBalanceAxis_019f6d06-f597-7dc1-bc23-cecb6182f09b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligation_019f6d06-f597-727f-bd48-ebce60870b66" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PurchaseObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nflx_ContractualObligationLineItems_019f6d06-f597-7792-be27-0207cbbbac9f" xlink:to="loc_us-gaap_PurchaseObligation_019f6d06-f597-727f-bd48-ebce60870b66" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019f6d06-f597-7458-bd80-24a0507c376b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nflx_ContractualObligationLineItems_019f6d06-f597-7792-be27-0207cbbbac9f" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019f6d06-f597-7458-bd80-24a0507c376b" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/CommitmentsandContingenciesStreamingContentDetails_1" xlink:type="simple" xlink:href="nflx-20260930.xsd#CommitmentsandContingenciesStreamingContentDetails_1"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/CommitmentsandContingenciesStreamingContentDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_nflx_ContractualObligationLineItems_019f6d06-f597-7792-be27-0207cbbbac9f" xlink:href="nflx-20260930.xsd#nflx_ContractualObligationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_ContractualObligationTable_019f6d06-f597-7a45-badd-83cc65123462" xlink:href="nflx-20260930.xsd#nflx_ContractualObligationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_nflx_ContractualObligationLineItems_019f6d06-f597-7792-be27-0207cbbbac9f" xlink:to="loc_nflx_ContractualObligationTable_019f6d06-f597-7a45-badd-83cc65123462" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligation_019f6d06-f597-727f-bd48-ebce60870b66" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PurchaseObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nflx_ContractualObligationLineItems_019f6d06-f597-7792-be27-0207cbbbac9f" xlink:to="loc_us-gaap_PurchaseObligation_019f6d06-f597-727f-bd48-ebce60870b66" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019f6d06-f597-7458-bd80-24a0507c376b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_nflx_ContractualObligationLineItems_019f6d06-f597-7792-be27-0207cbbbac9f" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019f6d06-f597-7458-bd80-24a0507c376b" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/StockholdersEquityNarrativeDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#StockholdersEquityNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/StockholdersEquityNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019f6d06-f597-771d-bc6c-6b9a872866c1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019f6d06-f597-7ef6-b62e-035a989290d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019f6d06-f597-771d-bc6c-6b9a872866c1" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019f6d06-f597-7ef6-b62e-035a989290d0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019f6d06-f597-7545-a7a0-cc33cb42372b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019f6d06-f597-7ef6-b62e-035a989290d0" xlink:to="loc_us-gaap_AwardTypeAxis_019f6d06-f597-7545-a7a0-cc33cb42372b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019f6d06-f597-7545-a7a0-cc33cb42372b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019f6d06-f597-7545-a7a0-cc33cb42372b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019f6d06-f597-7545-a7a0-cc33cb42372b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019f6d06-f597-753f-8880-758d3c61ab68" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019f6d06-f597-7545-a7a0-cc33cb42372b" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019f6d06-f597-753f-8880-758d3c61ab68" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_019f6d06-f597-725e-90aa-a32679a78772" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019f6d06-f597-753f-8880-758d3c61ab68" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_019f6d06-f597-725e-90aa-a32679a78772" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_019f6d06-f597-7a25-a371-b6b461b26b0f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019f6d06-f597-753f-8880-758d3c61ab68" xlink:to="loc_us-gaap_PerformanceSharesMember_019f6d06-f597-7a25-a371-b6b461b26b0f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019f6d06-f597-7f0e-bf2c-fcb27f949e36" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019f6d06-f597-7ef6-b62e-035a989290d0" xlink:to="loc_srt_RangeAxis_019f6d06-f597-7f0e-bf2c-fcb27f949e36" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019f6d06-f597-7f0e-bf2c-fcb27f949e36_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019f6d06-f597-7f0e-bf2c-fcb27f949e36" xlink:to="loc_srt_RangeMember_019f6d06-f597-7f0e-bf2c-fcb27f949e36_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019f6d06-f597-7bba-a832-ea0bec208f8b" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019f6d06-f597-7f0e-bf2c-fcb27f949e36" xlink:to="loc_srt_RangeMember_019f6d06-f597-7bba-a832-ea0bec208f8b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019f6d06-f597-780b-895d-b66af8823f3c" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019f6d06-f597-7bba-a832-ea0bec208f8b" xlink:to="loc_srt_MinimumMember_019f6d06-f597-780b-895d-b66af8823f3c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019f6d06-f597-7065-bb43-e257cdaae2af" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019f6d06-f597-7bba-a832-ea0bec208f8b" xlink:to="loc_srt_MaximumMember_019f6d06-f597-7065-bb43-e257cdaae2af" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_019f6d06-f597-7240-b6eb-882c4bed46be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019f6d06-f597-771d-bc6c-6b9a872866c1" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_019f6d06-f597-7240-b6eb-882c4bed46be" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_019f6d06-f597-75ff-b619-d1755adfb815" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019f6d06-f597-771d-bc6c-6b9a872866c1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_019f6d06-f597-75ff-b619-d1755adfb815" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/StockholdersEquityScheduleofActivityRelatedtoUnvestedRSUsandPSUsDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#StockholdersEquityScheduleofActivityRelatedtoUnvestedRSUsandPSUsDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/StockholdersEquityScheduleofActivityRelatedtoUnvestedRSUsandPSUsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019f6d06-f597-7a7d-aff5-0ef618791e00" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019f6d06-f597-766f-9fab-1c6c6be65122" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019f6d06-f597-7a7d-aff5-0ef618791e00" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019f6d06-f597-766f-9fab-1c6c6be65122" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019f6d06-f597-7992-80d4-c0c8ab4b00c9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019f6d06-f597-766f-9fab-1c6c6be65122" xlink:to="loc_us-gaap_AwardTypeAxis_019f6d06-f597-7992-80d4-c0c8ab4b00c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019f6d06-f597-7992-80d4-c0c8ab4b00c9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019f6d06-f597-7992-80d4-c0c8ab4b00c9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019f6d06-f597-7992-80d4-c0c8ab4b00c9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019f6d06-f597-7f65-8cf0-3b836be387c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019f6d06-f597-7992-80d4-c0c8ab4b00c9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019f6d06-f597-7f65-8cf0-3b836be387c0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_019f6d06-f597-711d-9418-42250107656e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019f6d06-f597-7f65-8cf0-3b836be387c0" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_019f6d06-f597-711d-9418-42250107656e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_019f6d06-f597-720e-8d23-4bfef95d44a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019f6d06-f597-7f65-8cf0-3b836be387c0" xlink:to="loc_us-gaap_PerformanceSharesMember_019f6d06-f597-720e-8d23-4bfef95d44a8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019f6d06-f597-7cbd-88c1-51711870d4a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019f6d06-f597-7a7d-aff5-0ef618791e00" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019f6d06-f597-7cbd-88c1-51711870d4a0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019f6d06-f597-728b-a1dd-a2c9612509ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019f6d06-f597-7cbd-88c1-51711870d4a0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019f6d06-f597-728b-a1dd-a2c9612509ef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_019f6d06-f597-7b3b-83b6-ac0dad05c7f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019f6d06-f597-7cbd-88c1-51711870d4a0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_019f6d06-f597-7b3b-83b6-ac0dad05c7f6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_019f6d06-f597-7d89-8fef-c07fd00a999c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019f6d06-f597-7cbd-88c1-51711870d4a0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_019f6d06-f597-7d89-8fef-c07fd00a999c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_019f6d06-f597-7fe1-ae55-6392840573b1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019f6d06-f597-7cbd-88c1-51711870d4a0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_019f6d06-f597-7fe1-ae55-6392840573b1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019f6d06-f597-75cc-885b-6223e3d6ffdf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_019f6d06-f597-76c8-a382-f1d2788ffdba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019f6d06-f597-7a7d-aff5-0ef618791e00" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_019f6d06-f597-76c8-a382-f1d2788ffdba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019f6d06-f597-746f-92f8-d693b6416937" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_019f6d06-f597-76c8-a382-f1d2788ffdba" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019f6d06-f597-746f-92f8-d693b6416937" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019f6d06-f597-738f-b35d-34468ad898f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_019f6d06-f597-76c8-a382-f1d2788ffdba" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019f6d06-f597-738f-b35d-34468ad898f5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_019f6d06-f597-7d4d-ae9f-26f556e695cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_019f6d06-f597-76c8-a382-f1d2788ffdba" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_019f6d06-f597-7d4d-ae9f-26f556e695cf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_019f6d06-f597-7159-871b-1ddeac210d71" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_019f6d06-f597-76c8-a382-f1d2788ffdba" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_019f6d06-f597-7159-871b-1ddeac210d71" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019f6d06-f597-7e3c-b770-0c90c82359e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_019f6d06-f597-752c-96ca-6d518d95f4c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/StockholdersEquityScheduleofAccumulatedOtherComprehensiveLossDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#StockholdersEquityScheduleofAccumulatedOtherComprehensiveLossDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/StockholdersEquityScheduleofAccumulatedOtherComprehensiveLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019f6d06-f597-7161-b1c2-56f315def391" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019f6d06-f597-7582-8846-a4c29a925beb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019f6d06-f597-7161-b1c2-56f315def391" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019f6d06-f597-7582-8846-a4c29a925beb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019f6d06-f597-7578-9a15-526e2a3e076b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019f6d06-f597-7582-8846-a4c29a925beb" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019f6d06-f597-7578-9a15-526e2a3e076b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7578-9a15-526e2a3e076b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019f6d06-f597-7578-9a15-526e2a3e076b" xlink:to="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7578-9a15-526e2a3e076b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7ac2-b6cc-345b2a31b84c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019f6d06-f597-7578-9a15-526e2a3e076b" xlink:to="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7ac2-b6cc-345b2a31b84c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_019f6d06-f597-7a06-ace5-3d5ea6529e57" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7ac2-b6cc-345b2a31b84c" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_019f6d06-f597-7a06-ace5-3d5ea6529e57" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_AOCINetInvestmentHedgeParentMember_019f6d06-f597-7a01-aa50-ac800e411bbc" xlink:href="nflx-20260930.xsd#nflx_AOCINetInvestmentHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7ac2-b6cc-345b2a31b84c" xlink:to="loc_nflx_AOCINetInvestmentHedgeParentMember_019f6d06-f597-7a01-aa50-ac800e411bbc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019f6d06-f597-79ed-b62d-a3a08a93234c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7ac2-b6cc-345b2a31b84c" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019f6d06-f597-79ed-b62d-a3a08a93234c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AociDerivativeQualifyingAsHedgeExcludedComponentParentMember_019f6d06-f597-7527-8a65-ca94ef0da95f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AociDerivativeQualifyingAsHedgeExcludedComponentParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7ac2-b6cc-345b2a31b84c" xlink:to="loc_us-gaap_AociDerivativeQualifyingAsHedgeExcludedComponentParentMember_019f6d06-f597-7527-8a65-ca94ef0da95f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_019f6d06-f597-7781-996e-3bce91adf75f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7ac2-b6cc-345b2a31b84c" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_019f6d06-f597-7781-996e-3bce91adf75f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_TaxExpenseBenefitOnNetInvestmentHedgeParentMember_019f6d06-f597-7798-a5cf-34d4239561f3" xlink:href="nflx-20260930.xsd#nflx_TaxExpenseBenefitOnNetInvestmentHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7ac2-b6cc-345b2a31b84c" xlink:to="loc_nflx_TaxExpenseBenefitOnNetInvestmentHedgeParentMember_019f6d06-f597-7798-a5cf-34d4239561f3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019f6d06-f597-7fee-b3f2-c73ce77e6515" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7ac2-b6cc-345b2a31b84c" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019f6d06-f597-7fee-b3f2-c73ce77e6515" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019f6d06-f597-75fe-8cff-f2e5b92eadf1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AOCIAttributableToParentNetOfTaxRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019f6d06-f597-7161-b1c2-56f315def391" xlink:to="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019f6d06-f597-75fe-8cff-f2e5b92eadf1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019f6d06-f597-7bec-8238-e64737751867" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019f6d06-f597-75fe-8cff-f2e5b92eadf1" xlink:to="loc_us-gaap_StockholdersEquity_019f6d06-f597-7bec-8238-e64737751867" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_019f6d06-f597-72fa-800d-a78020b118e4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019f6d06-f597-75fe-8cff-f2e5b92eadf1" xlink:to="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_019f6d06-f597-72fa-800d-a78020b118e4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_019f6d06-f597-73b3-950e-81e55fb2e17c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019f6d06-f597-75fe-8cff-f2e5b92eadf1" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_019f6d06-f597-73b3-950e-81e55fb2e17c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019f6d06-f597-71fc-8c6f-94f2dbdd4904" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_019f6d06-f597-75fe-8cff-f2e5b92eadf1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019f6d06-f597-71fc-8c6f-94f2dbdd4904" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019f6d06-f597-7ba5-9bbc-44f70d89a36f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/StockholdersEquityScheduleofAmountsReclassifiedfromAOCIDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#StockholdersEquityScheduleofAmountsReclassifiedfromAOCIDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/StockholdersEquityScheduleofAmountsReclassifiedfromAOCIDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019f6d06-f597-7fc6-94df-af16a0fdeb12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019f6d06-f597-7b82-a046-52602bc991bd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019f6d06-f597-7fc6-94df-af16a0fdeb12" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019f6d06-f597-7b82-a046-52602bc991bd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019f6d06-f597-7db9-a21f-453510bb857f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019f6d06-f597-7b82-a046-52602bc991bd" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019f6d06-f597-7db9-a21f-453510bb857f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019f6d06-f597-7db9-a21f-453510bb857f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019f6d06-f597-7db9-a21f-453510bb857f" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019f6d06-f597-7db9-a21f-453510bb857f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019f6d06-f597-7c44-ad12-f93d325e2b2b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019f6d06-f597-7db9-a21f-453510bb857f" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019f6d06-f597-7c44-ad12-f93d325e2b2b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_019f6d06-f597-791c-898a-3045071b6091" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019f6d06-f597-7c44-ad12-f93d325e2b2b" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_019f6d06-f597-791c-898a-3045071b6091" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019f6d06-f597-7f06-884f-4f15ce95f81e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019f6d06-f597-7b82-a046-52602bc991bd" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019f6d06-f597-7f06-884f-4f15ce95f81e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7f06-884f-4f15ce95f81e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019f6d06-f597-7f06-884f-4f15ce95f81e" xlink:to="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7f06-884f-4f15ce95f81e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7c43-8e9f-6a893832178f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019f6d06-f597-7f06-884f-4f15ce95f81e" xlink:to="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7c43-8e9f-6a893832178f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_019f6d06-f597-76cb-88d3-25ea0a800b93" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7c43-8e9f-6a893832178f" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_019f6d06-f597-76cb-88d3-25ea0a800b93" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019f6d06-f597-70d6-8f2e-affb6613defd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7c43-8e9f-6a893832178f" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019f6d06-f597-70d6-8f2e-affb6613defd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_019f6d06-f597-7254-bc25-72afd59d7a5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019f6d06-f597-7c43-8e9f-6a893832178f" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_019f6d06-f597-7254-bc25-72afd59d7a5b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019f6d06-f597-7500-a07c-8eb11952381b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019f6d06-f597-7fc6-94df-af16a0fdeb12" xlink:to="loc_us-gaap_Revenues_019f6d06-f597-7500-a07c-8eb11952381b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_019f6d06-f597-742c-92b5-a6852fed2441" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019f6d06-f597-7fc6-94df-af16a0fdeb12" xlink:to="loc_us-gaap_CostOfRevenue_019f6d06-f597-742c-92b5-a6852fed2441" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_019f6d06-f597-7132-9a73-5371121a3116" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019f6d06-f597-7fc6-94df-af16a0fdeb12" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_019f6d06-f597-7132-9a73-5371121a3116" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019f6d06-f597-7cd7-8942-1451cf2a41d9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019f6d06-f597-7fc6-94df-af16a0fdeb12" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019f6d06-f597-7cd7-8942-1451cf2a41d9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019f6d06-f597-73fd-b5d8-16557b59bf21" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019f6d06-f597-7fc6-94df-af16a0fdeb12" xlink:to="loc_us-gaap_NetIncomeLoss_019f6d06-f597-73fd-b5d8-16557b59bf21" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/SegmentandGeographicInformationNarrativeDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#SegmentandGeographicInformationNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/SegmentandGeographicInformationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019f6d06-f597-70a3-a704-8f64adf19aae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019f6d06-f597-74bd-a558-b0757517a208" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019f6d06-f597-70a3-a704-8f64adf19aae" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019f6d06-f597-74bd-a558-b0757517a208" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019f6d06-f597-7fb2-9647-816a8662f4e5" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019f6d06-f597-74bd-a558-b0757517a208" xlink:to="loc_srt_StatementGeographicalAxis_019f6d06-f597-7fb2-9647-816a8662f4e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019f6d06-f597-7fb2-9647-816a8662f4e5_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019f6d06-f597-7fb2-9647-816a8662f4e5" xlink:to="loc_srt_SegmentGeographicalDomain_019f6d06-f597-7fb2-9647-816a8662f4e5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019f6d06-f597-76e9-abd8-38e37d0859f8" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019f6d06-f597-7fb2-9647-816a8662f4e5" xlink:to="loc_srt_SegmentGeographicalDomain_019f6d06-f597-76e9-abd8-38e37d0859f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_019f6d06-f597-7055-8825-63ad6ba5b0fc" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019f6d06-f597-76e9-abd8-38e37d0859f8" xlink:to="loc_country_US_019f6d06-f597-7055-8825-63ad6ba5b0fc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_019f6d06-f597-797d-8f61-a3a7d5dece4d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019f6d06-f597-70a3-a704-8f64adf19aae" xlink:to="loc_us-gaap_NumberOfOperatingSegments_019f6d06-f597-797d-8f61-a3a7d5dece4d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_019f6d06-f597-7183-a038-0b5689270d03" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019f6d06-f597-70a3-a704-8f64adf19aae" xlink:to="loc_us-gaap_NumberOfReportableSegments_019f6d06-f597-7183-a038-0b5689270d03" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019f6d06-f597-7943-8ceb-310866e5914e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019f6d06-f597-70a3-a704-8f64adf19aae" xlink:to="loc_us-gaap_Revenues_019f6d06-f597-7943-8ceb-310866e5914e" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/SegmentandGeographicInformationScheduleofSegmentReportingFinancialInformationbySegmentDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#SegmentandGeographicInformationScheduleofSegmentReportingFinancialInformationbySegmentDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/SegmentandGeographicInformationScheduleofSegmentReportingFinancialInformationbySegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019f6d06-f597-7d2c-917b-0574553a7b74" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019f6d06-f597-7d2c-917b-0574553a7b74" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019f6d06-f597-701e-9de1-456be5472c08" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019f6d06-f597-7d2c-917b-0574553a7b74" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019f6d06-f597-701e-9de1-456be5472c08" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019f6d06-f597-701e-9de1-456be5472c08_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019f6d06-f597-701e-9de1-456be5472c08" xlink:to="loc_us-gaap_SegmentDomain_019f6d06-f597-701e-9de1-456be5472c08_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019f6d06-f597-787b-852d-d703959b6850" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019f6d06-f597-701e-9de1-456be5472c08" xlink:to="loc_us-gaap_SegmentDomain_019f6d06-f597-787b-852d-d703959b6850" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_ReportableSegmentMember_019f6d06-f597-7a20-bf52-0e33ae82a25d" xlink:href="nflx-20260930.xsd#nflx_ReportableSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019f6d06-f597-787b-852d-d703959b6850" xlink:to="loc_nflx_ReportableSegmentMember_019f6d06-f597-7a20-bf52-0e33ae82a25d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_019f6d06-f597-7ae0-936a-850f2fb7d562" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019f6d06-f597-7d2c-917b-0574553a7b74" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_019f6d06-f597-7ae0-936a-850f2fb7d562" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019f6d06-f597-7ae0-936a-850f2fb7d562_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019f6d06-f597-7ae0-936a-850f2fb7d562" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019f6d06-f597-7ae0-936a-850f2fb7d562_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019f6d06-f597-76d3-9f22-2cb203e0e480" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019f6d06-f597-7ae0-936a-850f2fb7d562" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019f6d06-f597-76d3-9f22-2cb203e0e480" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_WarnerBros.DiscoveryInc.Member_019f6d06-f597-73c3-a4d4-72091602605e" xlink:href="nflx-20260930.xsd#nflx_WarnerBros.DiscoveryInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019f6d06-f597-76d3-9f22-2cb203e0e480" xlink:to="loc_nflx_WarnerBros.DiscoveryInc.Member_019f6d06-f597-73c3-a4d4-72091602605e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019f6d06-f597-7a93-b32a-d793f6fcde8c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_us-gaap_Revenues_019f6d06-f597-7a93-b32a-d793f6fcde8c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_CostOfServicesAmortizationOfStreamingContentAssets_019f6d06-f597-70c5-9d71-af6e192bb447" xlink:href="nflx-20260930.xsd#nflx_CostOfServicesAmortizationOfStreamingContentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_nflx_CostOfServicesAmortizationOfStreamingContentAssets_019f6d06-f597-70c5-9d71-af6e192bb447" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostOfOperatingRevenue_019f6d06-f597-78b9-84eb-5f2f34343f54" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCostOfOperatingRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_us-gaap_OtherCostOfOperatingRevenue_019f6d06-f597-78b9-84eb-5f2f34343f54" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_019f6d06-f597-7ce4-9721-53d7e7204f7f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_us-gaap_SellingAndMarketingExpense_019f6d06-f597-7ce4-9721-53d7e7204f7f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019f6d06-f597-7da0-be80-63751ce95813" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019f6d06-f597-7da0-be80-63751ce95813" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_019f6d06-f597-7626-add1-67b456c2a126" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_019f6d06-f597-7626-add1-67b456c2a126" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019f6d06-f597-795f-a597-d000b3494cf7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_us-gaap_OperatingIncomeLoss_019f6d06-f597-795f-a597-d000b3494cf7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_PercentageOfOperatingMargin_019f6d06-f597-7ace-810b-c5ed5e57a178" xlink:href="nflx-20260930.xsd#nflx_PercentageOfOperatingMargin"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_nflx_PercentageOfOperatingMargin_019f6d06-f597-7ace-810b-c5ed5e57a178" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019f6d06-f597-708d-a1a5-2bc8fb57ee4a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019f6d06-f597-708d-a1a5-2bc8fb57ee4a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_019f6d06-f597-73e9-b360-9dcd755df468" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_019f6d06-f597-73e9-b360-9dcd755df468" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f6d06-f597-7394-98b3-9255683f99fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019f6d06-f597-7394-98b3-9255683f99fc" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019f6d06-f597-773f-90cf-f027af7d5727" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019f6d06-f597-773f-90cf-f027af7d5727" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019f6d06-f597-727a-863f-625b124585db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_us-gaap_NetIncomeLoss_019f6d06-f597-727a-863f-625b124585db" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_BusinessCombinationTerminationFeeIncome_019f6d06-f597-7645-a988-083ab2b61e34" xlink:href="nflx-20260930.xsd#nflx_BusinessCombinationTerminationFeeIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_nflx_BusinessCombinationTerminationFeeIncome_019f6d06-f597-7645-a988-083ab2b61e34" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_019f6d06-f597-790f-a41c-e6baa8de9750" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019f6d06-f597-7ee4-a33c-4a7d1ee050f5" xlink:to="loc_us-gaap_InvestmentIncomeInterest_019f6d06-f597-790f-a41c-e6baa8de9750" xlink:type="arc" order="14"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.netflix.com/role/SegmentandGeographicInformationScheduleofLonglivedAssetsbyGeographicAreasDetails" xlink:type="simple" xlink:href="nflx-20260930.xsd#SegmentandGeographicInformationScheduleofLonglivedAssetsbyGeographicAreasDetails"/>
  <link:definitionLink xlink:role="http://www.netflix.com/role/SegmentandGeographicInformationScheduleofLonglivedAssetsbyGeographicAreasDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019f6d06-f597-7bdb-acc5-07015d8712c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019f6d06-f597-7539-a00f-44a55fb82fd9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019f6d06-f597-7bdb-acc5-07015d8712c2" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019f6d06-f597-7539-a00f-44a55fb82fd9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019f6d06-f597-7cac-abe6-dbbbbdf95a39" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019f6d06-f597-7539-a00f-44a55fb82fd9" xlink:to="loc_srt_StatementGeographicalAxis_019f6d06-f597-7cac-abe6-dbbbbdf95a39" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019f6d06-f597-7cac-abe6-dbbbbdf95a39_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019f6d06-f597-7cac-abe6-dbbbbdf95a39" xlink:to="loc_srt_SegmentGeographicalDomain_019f6d06-f597-7cac-abe6-dbbbbdf95a39_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019f6d06-f597-70ef-a08c-a5863a59a198" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019f6d06-f597-7cac-abe6-dbbbbdf95a39" xlink:to="loc_srt_SegmentGeographicalDomain_019f6d06-f597-70ef-a08c-a5863a59a198" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_019f6d06-f597-7845-8d2d-695f7ac9521b" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019f6d06-f597-70ef-a08c-a5863a59a198" xlink:to="loc_country_US_019f6d06-f597-7845-8d2d-695f7ac9521b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonUsMember_019f6d06-f597-737d-aa4d-f18e0fd9ff41" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019f6d06-f597-70ef-a08c-a5863a59a198" xlink:to="loc_us-gaap_NonUsMember_019f6d06-f597-737d-aa4d-f18e0fd9ff41" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncurrentAssets_019f6d06-f597-74c5-802e-c61f49634532" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019f6d06-f597-7bdb-acc5-07015d8712c2" xlink:to="loc_us-gaap_NoncurrentAssets_019f6d06-f597-74c5-802e-c61f49634532" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/ecd/role/IndividualsOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2026/ecd-2026.xsd#IndividualsOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/ecd/role/IndividualsOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2026/ecd-2026.xsd#ecd_AllIndividualsMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_nflx_BradSmithMember_01a062ef-af12-7d3e-92fb-31c269899be1" xlink:href="nflx-20260930.xsd#nflx_BradSmithMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllIndividualsMember" xlink:to="loc_nflx_BradSmithMember_01a062ef-af12-7d3e-92fb-31c269899be1" xlink:type="arc" order="2"/>
  </link:definitionLink>
</link:linkbase>
