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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e17cc-90e3-7557-8968-ed4fd5f3921d,g:6fbc083c-71ed-4266-b8f6-446fe6d7af24-->
<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://about.gitlab.com/role/Cover" xlink:type="simple" xlink:href="gtlb-20260511.xsd#Cover"/>
  <link:presentationLink xlink:role="http://about.gitlab.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019e17cc-90e3-73a2-93e9-e75d54f60e12" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_DocumentType_019e17cc-90e3-73a2-93e9-e75d54f60e12" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019e17cc-90e3-7598-96d5-2d6acde46495" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_DocumentPeriodEndDate_019e17cc-90e3-7598-96d5-2d6acde46495" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019e17cc-90e3-7bf8-84e4-9c44d3407fc7" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_EntityRegistrantName_019e17cc-90e3-7bf8-84e4-9c44d3407fc7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019e17cc-90e3-72a0-8d38-0075b0236952" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019e17cc-90e3-72a0-8d38-0075b0236952" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019e17cc-90e3-7ea5-809e-0a54a77b4262" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_EntityFileNumber_019e17cc-90e3-7ea5-809e-0a54a77b4262" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019e17cc-90e3-708b-a3de-5b60f6afbab0" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_EntityTaxIdentificationNumber_019e17cc-90e3-708b-a3de-5b60f6afbab0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019e17cc-90e3-7542-8118-db3bf89f15d4" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_WrittenCommunications_019e17cc-90e3-7542-8118-db3bf89f15d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019e17cc-90e3-7c35-ac98-829cc548725b" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_SolicitingMaterial_019e17cc-90e3-7c35-ac98-829cc548725b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019e17cc-90e3-798a-b801-5caaf46fcd45" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_PreCommencementTenderOffer_019e17cc-90e3-798a-b801-5caaf46fcd45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019e17cc-90e3-74cf-bbeb-b3efb7f3a8fc" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019e17cc-90e3-74cf-bbeb-b3efb7f3a8fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019e17cc-90e3-72e2-99c5-c35797187696" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_Security12bTitle_019e17cc-90e3-72e2-99c5-c35797187696" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019e17cc-90e3-7448-8711-5a616a4d4ee1" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_TradingSymbol_019e17cc-90e3-7448-8711-5a616a4d4ee1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019e17cc-90e3-7d18-b10f-6593e4312407" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_SecurityExchangeName_019e17cc-90e3-7d18-b10f-6593e4312407" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019e17cc-90e3-7c42-b96f-d9be1523c4dd" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_EntityEmergingGrowthCompany_019e17cc-90e3-7c42-b96f-d9be1523c4dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019e17cc-90e3-7cf2-b1dc-c79ab78536f5" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_EntityCentralIndexKey_019e17cc-90e3-7cf2-b1dc-c79ab78536f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019e17cc-90e3-7569-83eb-0b2f24218980" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e17cc-90e3-751c-b182-9e7bbae5d697" xlink:to="loc_dei_AmendmentFlag_019e17cc-90e3-7569-83eb-0b2f24218980" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
