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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019c2b7d-26b2-7550-b949-3d7dc5f10b77,g:5d706895-80f1-42e9-8975-2e1fc40ec2bb-->
<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://asteralabs.com/role/Cover" xlink:type="simple" xlink:href="alab-20260505.xsd#Cover"/>
  <link:presentationLink xlink:role="http://asteralabs.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019c2b7d-26b2-7317-b552-a25f21fb5053" 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_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_DocumentType_019c2b7d-26b2-7317-b552-a25f21fb5053" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019c2b7d-26b2-7be1-8500-c4ec9cb42048" 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_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_DocumentPeriodEndDate_019c2b7d-26b2-7be1-8500-c4ec9cb42048" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019c2b7d-26b2-753c-8808-155603cfa1cc" 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_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_EntityRegistrantName_019c2b7d-26b2-753c-8808-155603cfa1cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019c2b7d-26b2-7f79-aa16-f5ca774dc1b6" 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_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019c2b7d-26b2-7f79-aa16-f5ca774dc1b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019c2b7d-26b2-70b8-9cf8-b52a2d28c3e2" 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_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_EntityFileNumber_019c2b7d-26b2-70b8-9cf8-b52a2d28c3e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019c2b7d-26b2-75bb-9cb4-701d0436c6cd" 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_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_EntityTaxIdentificationNumber_019c2b7d-26b2-75bb-9cb4-701d0436c6cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019c2b7d-26b2-7458-9fba-63242bb4bf51" 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_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_EntityAddressAddressLine1_019c2b7d-26b2-7458-9fba-63242bb4bf51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_019c2b7d-26b2-7ade-9051-bf2e873e36e7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine2"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_EntityAddressAddressLine2_019c2b7d-26b2-7ade-9051-bf2e873e36e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019c2b7d-26b2-7394-9910-eb9c4954bfdc" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_EntityAddressCityOrTown_019c2b7d-26b2-7394-9910-eb9c4954bfdc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019c2b7d-26b2-70dc-bb6a-57856686a8a6" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_EntityAddressStateOrProvince_019c2b7d-26b2-70dc-bb6a-57856686a8a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019c2b7d-26b2-7e4a-85b2-db7a213e5c1c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_EntityAddressPostalZipCode_019c2b7d-26b2-7e4a-85b2-db7a213e5c1c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019c2b7d-26b2-70b5-98d5-324fac05ee58" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_CityAreaCode_019c2b7d-26b2-70b5-98d5-324fac05ee58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019c2b7d-26b2-74dc-a4a6-0aefd8b488d1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_LocalPhoneNumber_019c2b7d-26b2-74dc-a4a6-0aefd8b488d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019c2b7d-26b2-7f7e-93c4-95de61950c1e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_WrittenCommunications_019c2b7d-26b2-7f7e-93c4-95de61950c1e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019c2b7d-26b2-78c6-bcac-9f6ba0ce1650" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_SolicitingMaterial_019c2b7d-26b2-78c6-bcac-9f6ba0ce1650" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019c2b7d-26b2-734d-b008-8dfee2fb1134" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_PreCommencementTenderOffer_019c2b7d-26b2-734d-b008-8dfee2fb1134" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019c2b7d-26b2-7795-be33-9a896b13d6eb" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019c2b7d-26b2-7795-be33-9a896b13d6eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019c2b7d-26b2-7da5-8872-4d05ee2ce85b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_Security12bTitle_019c2b7d-26b2-7da5-8872-4d05ee2ce85b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019c2b7d-26b2-7412-ab38-563508fe07d6" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_TradingSymbol_019c2b7d-26b2-7412-ab38-563508fe07d6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019c2b7d-26b2-78ce-a48b-02aead258463" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_SecurityExchangeName_019c2b7d-26b2-78ce-a48b-02aead258463" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019c2b7d-26b2-7c57-a83d-ad1febe2b434" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_EntityEmergingGrowthCompany_019c2b7d-26b2-7c57-a83d-ad1febe2b434" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityExTransitionPeriod_019c2b7d-26b2-7776-89cf-9427b8ad5beb" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityExTransitionPeriod"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_EntityExTransitionPeriod_019c2b7d-26b2-7776-89cf-9427b8ad5beb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019c2b7d-26b2-746d-bc11-7d81fb1ebdee" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_AmendmentFlag_019c2b7d-26b2-746d-bc11-7d81fb1ebdee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019c2b7d-26b2-7d7a-b80b-08da88361efe" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019c2b7d-26b2-7f8c-92ca-6ad50002b6f0" xlink:to="loc_dei_EntityCentralIndexKey_019c2b7d-26b2-7d7a-b80b-08da88361efe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
