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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a02aa4-4af5-7b25-9c43-55ea383ed90f,g:033c7161-9a46-4834-83ea-1c0e987f2f82-->
<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-20260820.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_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_01a02aa4-4af5-75af-ad32-75edd00e3039" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_DocumentType_01a02aa4-4af5-75af-ad32-75edd00e3039" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_01a02aa4-4af5-734a-8948-4340ee61671a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_DocumentPeriodEndDate_01a02aa4-4af5-734a-8948-4340ee61671a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_01a02aa4-4af5-7bee-97f7-6b211fef211d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_EntityRegistrantName_01a02aa4-4af5-7bee-97f7-6b211fef211d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_01a02aa4-4af5-7917-91ff-e718a31d1476" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_EntityIncorporationStateCountryCode_01a02aa4-4af5-7917-91ff-e718a31d1476" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_01a02aa4-4af5-7503-990a-3d2086f678c6" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_EntityFileNumber_01a02aa4-4af5-7503-990a-3d2086f678c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_01a02aa4-4af5-7958-b36a-e43315dde668" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_EntityTaxIdentificationNumber_01a02aa4-4af5-7958-b36a-e43315dde668" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_01a02aa4-4af5-7fb3-a557-5230d3f9053f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_EntityAddressAddressLine1_01a02aa4-4af5-7fb3-a557-5230d3f9053f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_01a02aa4-4af5-72d0-936b-70bcd5b2e619" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_EntityAddressCityOrTown_01a02aa4-4af5-72d0-936b-70bcd5b2e619" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_01a02aa4-4af5-7579-b54f-ba1cd12dec3a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_EntityAddressStateOrProvince_01a02aa4-4af5-7579-b54f-ba1cd12dec3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_01a02aa4-4af5-75a6-acd2-9770f8802d7a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_EntityAddressPostalZipCode_01a02aa4-4af5-75a6-acd2-9770f8802d7a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_01a02aa4-4af5-76b6-bf4d-08dea7b5249b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_CityAreaCode_01a02aa4-4af5-76b6-bf4d-08dea7b5249b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_01a02aa4-4af5-702b-95ff-a963d152b7b9" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_LocalPhoneNumber_01a02aa4-4af5-702b-95ff-a963d152b7b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_01a02aa4-4af5-7ffb-880c-7adecd4a2f31" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_WrittenCommunications_01a02aa4-4af5-7ffb-880c-7adecd4a2f31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_01a02aa4-4af5-768f-8ee5-fe54b5c738f3" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_SolicitingMaterial_01a02aa4-4af5-768f-8ee5-fe54b5c738f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_01a02aa4-4af5-70e9-9c15-76600f4156e1" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_PreCommencementTenderOffer_01a02aa4-4af5-70e9-9c15-76600f4156e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_01a02aa4-4af5-7fff-8aff-4f1e733ead99" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_01a02aa4-4af5-7fff-8aff-4f1e733ead99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_01a02aa4-4af5-7fc4-8e45-7e252485a05e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_EntityEmergingGrowthCompany_01a02aa4-4af5-7fc4-8e45-7e252485a05e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_01a02aa4-4af5-74d2-aa53-abc43de3f532" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_AmendmentFlag_01a02aa4-4af5-74d2-aa53-abc43de3f532" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_01a02aa4-4af5-7a20-8ff9-67ccaffe3221" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_EntityCentralIndexKey_01a02aa4-4af5-7a20-8ff9-67ccaffe3221" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_01a02aa4-4af5-7313-ba41-0eda0068e5d0" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_Security12bTitle_01a02aa4-4af5-7313-ba41-0eda0068e5d0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_01a02aa4-4af5-724d-92a2-7b877d33e2df" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_TradingSymbol_01a02aa4-4af5-724d-92a2-7b877d33e2df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_01a02aa4-4af5-78a9-a916-0d8cdc94066c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a02aa4-4af5-78d7-92ee-21455d302466" xlink:to="loc_dei_SecurityExchangeName_01a02aa4-4af5-78a9-a916-0d8cdc94066c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
