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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:b56eee66-5c65-4bfd-a6fa-79c79dfadcce,g:667f310d-25ac-461e-9a8c-7874b0806a51-->
<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.acnb.com/role/Cover" xlink:type="simple" xlink:href="acnb-20240507.xsd#Cover"/>
  <link:presentationLink xlink:role="http://www.acnb.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_ccad6fb1-6578-4f6b-b2c3-f5848a20b171" 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_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_DocumentType_ccad6fb1-6578-4f6b-b2c3-f5848a20b171" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_88185266-7335-4b3d-87ef-8edde9ae911f" 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_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_DocumentPeriodEndDate_88185266-7335-4b3d-87ef-8edde9ae911f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_f6bb0785-f515-4cad-b0c2-196d3897220f" 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_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_EntityRegistrantName_f6bb0785-f515-4cad-b0c2-196d3897220f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_d3893fac-3a61-441c-9c01-e8f314d45bc7" 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_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_EntityIncorporationStateCountryCode_d3893fac-3a61-441c-9c01-e8f314d45bc7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_134af6c3-b4b3-4e21-a78b-9e2793d4a90c" 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_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_EntityFileNumber_134af6c3-b4b3-4e21-a78b-9e2793d4a90c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_9fced14f-de66-450b-8311-80b136855f9a" 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_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_EntityTaxIdentificationNumber_9fced14f-de66-450b-8311-80b136855f9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_aaf69618-ac9f-4584-9866-05ba52fb15ee" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_EntityAddressAddressLine1_aaf69618-ac9f-4584-9866-05ba52fb15ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_7999d379-e941-422b-815c-ced16085d752" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_EntityAddressCityOrTown_7999d379-e941-422b-815c-ced16085d752" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_fcc409ab-53ac-4474-8349-ad9ab4ae89c9" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_EntityAddressStateOrProvince_fcc409ab-53ac-4474-8349-ad9ab4ae89c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_49541a9b-9006-4212-8229-27504de24c8d" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_EntityAddressPostalZipCode_49541a9b-9006-4212-8229-27504de24c8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_12d06be1-f288-4051-8f05-100519b2aa65" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_CityAreaCode_12d06be1-f288-4051-8f05-100519b2aa65" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_6f1b4f3a-5b50-49cf-9036-b4ba481e45c5" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_LocalPhoneNumber_6f1b4f3a-5b50-49cf-9036-b4ba481e45c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_794a1cec-eeae-4895-95f8-cea144a92383" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_WrittenCommunications_794a1cec-eeae-4895-95f8-cea144a92383" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_55ddb88b-676b-4350-8885-1076d41e98f4" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_SolicitingMaterial_55ddb88b-676b-4350-8885-1076d41e98f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_149c58bf-8208-4435-bfde-cdcc371e220c" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_PreCommencementTenderOffer_149c58bf-8208-4435-bfde-cdcc371e220c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_50fa1071-a1ff-457b-ba61-a30aa9ece6fa" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_50fa1071-a1ff-457b-ba61-a30aa9ece6fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_154beb44-e502-480e-a091-9fc338888cca" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_EntityEmergingGrowthCompany_154beb44-e502-480e-a091-9fc338888cca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_2ae989a1-20b0-49b8-ad8f-3698ef0d0bef" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_Security12bTitle_2ae989a1-20b0-49b8-ad8f-3698ef0d0bef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_a0e2d744-a8e5-427c-8f65-20fb40712374" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_TradingSymbol_a0e2d744-a8e5-427c-8f65-20fb40712374" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_00110078-c511-4dff-b716-b722f744132e" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_SecurityExchangeName_00110078-c511-4dff-b716-b722f744132e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_b6517a8b-f449-4f67-9b3a-2c0e01e6b224" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_AmendmentFlag_b6517a8b-f449-4f67-9b3a-2c0e01e6b224" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_e663011a-1421-4983-a9cc-46a43197dfde" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_09fc11e6-2d56-49ed-bfb7-76be4d0e7478" xlink:to="loc_dei_EntityCentralIndexKey_e663011a-1421-4983-a9cc-46a43197dfde" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
