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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:4da70752-3811-4d47-be38-9bcf65bfddc7,g:adc0681e-2069-4b3b-9fff-388064f0b44f-->
<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://xbrl.sec.gov/ecd/role/PvpAdjustmentsOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#PvpAdjustmentsOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/ecd/role/PvpAdjustmentsOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AllAdjToCompMember" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AllAdjToCompMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_on_EquityAwardsGrantedDuringTheYearGrantDateFairValueMember_19f6c5b6-313d-4e9f-9101-5b1c3f9ee06f" xlink:href="on-20240403.xsd#on_EquityAwardsGrantedDuringTheYearGrantDateFairValueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllAdjToCompMember" xlink:to="loc_on_EquityAwardsGrantedDuringTheYearGrantDateFairValueMember_19f6c5b6-313d-4e9f-9101-5b1c3f9ee06f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_on_EquityAwardsGrantedDuringTheYearFairValueAtYearEndMember_1fc60e45-1443-48d8-a657-7a9da39b08d3" xlink:href="on-20240403.xsd#on_EquityAwardsGrantedDuringTheYearFairValueAtYearEndMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllAdjToCompMember" xlink:to="loc_on_EquityAwardsGrantedDuringTheYearFairValueAtYearEndMember_1fc60e45-1443-48d8-a657-7a9da39b08d3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_on_EquityAwardsGrantedInPriorYearsUnvestedMember_c17510aa-9804-4805-b1c4-a653ac2ade5e" xlink:href="on-20240403.xsd#on_EquityAwardsGrantedInPriorYearsUnvestedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllAdjToCompMember" xlink:to="loc_on_EquityAwardsGrantedInPriorYearsUnvestedMember_c17510aa-9804-4805-b1c4-a653ac2ade5e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_on_EquityAwardsGrantedInPriorYearsVestedMember_5a1470fb-6cd3-4fc4-89da-69d6c6d01517" xlink:href="on-20240403.xsd#on_EquityAwardsGrantedInPriorYearsVestedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllAdjToCompMember" xlink:to="loc_on_EquityAwardsGrantedInPriorYearsVestedMember_5a1470fb-6cd3-4fc4-89da-69d6c6d01517" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_on_EquityAwardsGrantedInPriorYearsForfeitedMember_a8c09d7c-93b9-472b-8acc-c16571b37f6e" xlink:href="on-20240403.xsd#on_EquityAwardsGrantedInPriorYearsForfeitedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllAdjToCompMember" xlink:to="loc_on_EquityAwardsGrantedInPriorYearsForfeitedMember_a8c09d7c-93b9-472b-8acc-c16571b37f6e" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/ecd/role/IndividualsOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.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/2023/ecd-2023.xsd#ecd_AllIndividualsMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_on_MrElKhouryMember_2e34ae75-87a6-45a5-90ab-304af408ed53" xlink:href="on-20240403.xsd#on_MrElKhouryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllIndividualsMember" xlink:to="loc_on_MrElKhouryMember_2e34ae75-87a6-45a5-90ab-304af408ed53" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_on_KeithJacksonMember_c8ca2ce4-4c56-4c64-bbc4-a09b6824542b" xlink:href="on-20240403.xsd#on_KeithJacksonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllIndividualsMember" xlink:to="loc_on_KeithJacksonMember_c8ca2ce4-4c56-4c64-bbc4-a09b6824542b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_on_CurrentPEOMember_bfa9d3c5-b85b-40da-b098-c629bbf8ee82" xlink:href="on-20240403.xsd#on_CurrentPEOMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllIndividualsMember" xlink:to="loc_on_CurrentPEOMember_bfa9d3c5-b85b-40da-b098-c629bbf8ee82" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_on_FormerPEOMember_d57f4bdc-17b3-4321-9bd3-e7a1301c9268" xlink:href="on-20240403.xsd#on_FormerPEOMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllIndividualsMember" xlink:to="loc_on_FormerPEOMember_d57f4bdc-17b3-4321-9bd3-e7a1301c9268" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_on_MrJacksonMember_33dda8ce-4c04-4514-8a63-a89b81e57248" xlink:href="on-20240403.xsd#on_MrJacksonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllIndividualsMember" xlink:to="loc_on_MrJacksonMember_33dda8ce-4c04-4514-8a63-a89b81e57248" xlink:type="arc" order="6"/>
  </link:definitionLink>
</link:linkbase>
