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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019d272d-1163-7fba-afe6-f26482f94fc1,g:7dd59b26-08bc-4d0b-bf60-7a5dbdc9d6ec-->
<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" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.keytronic.com/role/CoverPage" xlink:type="simple" xlink:href="ktcc-20260505.xsd#CoverPage"/>
  <link:presentationLink xlink:role="http://www.keytronic.com/role/CoverPage" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019d272d-1163-71b2-a077-1f036d10b5d1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_DocumentType_019d272d-1163-71b2-a077-1f036d10b5d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019d272d-1163-7ab9-a0aa-db312711528c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_DocumentPeriodEndDate_019d272d-1163-7ab9-a0aa-db312711528c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019d272d-1163-78c6-94e7-57986ccc0de5" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_EntityRegistrantName_019d272d-1163-78c6-94e7-57986ccc0de5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019d272d-1163-7283-a107-26cab3a90b8c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019d272d-1163-7283-a107-26cab3a90b8c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019d272d-1163-7a37-9106-637c670915a7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_EntityFileNumber_019d272d-1163-7a37-9106-637c670915a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019d272d-1163-7c55-95f3-2e179497dfc2" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_EntityTaxIdentificationNumber_019d272d-1163-7c55-95f3-2e179497dfc2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019d272d-1163-7ea9-9590-f7bd0bdfb585" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_EntityAddressAddressLine1_019d272d-1163-7ea9-9590-f7bd0bdfb585" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019d272d-1163-7639-b65d-1273b5a91eed" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_EntityAddressCityOrTown_019d272d-1163-7639-b65d-1273b5a91eed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019d272d-1163-71ee-859c-31a7a204201c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_EntityAddressStateOrProvince_019d272d-1163-71ee-859c-31a7a204201c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019d272d-1163-7122-b1e2-ed1efb157a87" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_EntityAddressPostalZipCode_019d272d-1163-7122-b1e2-ed1efb157a87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019d272d-1163-72dd-8ae0-3254f5febd23" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_CityAreaCode_019d272d-1163-72dd-8ae0-3254f5febd23" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019d272d-1163-7a09-8c1a-e3b033e24d9f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_LocalPhoneNumber_019d272d-1163-7a09-8c1a-e3b033e24d9f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019d272d-1163-7216-ae40-3bca1701d557" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_WrittenCommunications_019d272d-1163-7216-ae40-3bca1701d557" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019d272d-1163-7acf-8491-0482387b31e5" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_SolicitingMaterial_019d272d-1163-7acf-8491-0482387b31e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019d272d-1163-786c-a1a3-82bcae677ef7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_PreCommencementTenderOffer_019d272d-1163-786c-a1a3-82bcae677ef7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019d272d-1163-785d-af12-beeea73577df" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019d272d-1163-785d-af12-beeea73577df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019d272d-1163-79fe-8b17-578c70649e45" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_EntityEmergingGrowthCompany_019d272d-1163-79fe-8b17-578c70649e45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019d272d-1163-78b4-83cf-0498385b8f05" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_AmendmentFlag_019d272d-1163-78b4-83cf-0498385b8f05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019d272d-1163-78bb-99d1-561680cb82be" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_EntityCentralIndexKey_019d272d-1163-78bb-99d1-561680cb82be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019d272d-1163-71bb-8c6c-5cf2048bc60a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_Security12bTitle_019d272d-1163-71bb-8c6c-5cf2048bc60a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019d272d-1163-7a12-b763-50fdf2fa24eb" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_TradingSymbol_019d272d-1163-7a12-b763-50fdf2fa24eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019d272d-1163-7687-b70c-2e39e99fff30" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d272d-1163-7a72-9aed-14ea0d8df29e" xlink:to="loc_dei_SecurityExchangeName_019d272d-1163-7687-b70c-2e39e99fff30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
