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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e1e66-1afa-714c-911e-e94d355e894a,g:66a1e5d4-17e3-43b8-b009-346a33556d23-->
<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" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.lla.com/role/DocumentandEntityInformation" xlink:type="simple" xlink:href="lila-20260513.xsd#DocumentandEntityInformation"/>
  <link:definitionLink xlink:role="http://www.lla.com/role/DocumentandEntityInformation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitiesTable_019e1e66-1afa-7af8-bafa-5b0fb7b64524" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_EntitiesTable_019e1e66-1afa-7af8-bafa-5b0fb7b64524" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019e1e66-1afa-7d88-87d0-6f1d14324f60" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_019e1e66-1afa-7af8-bafa-5b0fb7b64524" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019e1e66-1afa-7d88-87d0-6f1d14324f60" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019e1e66-1afa-7d88-87d0-6f1d14324f60_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019e1e66-1afa-7d88-87d0-6f1d14324f60" xlink:to="loc_us-gaap_ClassOfStockDomain_019e1e66-1afa-7d88-87d0-6f1d14324f60_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019e1e66-1afa-7bd9-bebb-f2a25c564d03" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019e1e66-1afa-7d88-87d0-6f1d14324f60" xlink:to="loc_us-gaap_ClassOfStockDomain_019e1e66-1afa-7bd9-bebb-f2a25c564d03" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019e1e66-1afa-785f-91e1-8dab6d29e587" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019e1e66-1afa-7bd9-bebb-f2a25c564d03" xlink:to="loc_us-gaap_CommonClassAMember_019e1e66-1afa-785f-91e1-8dab6d29e587" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassCMember_019e1e66-1afa-76af-96ea-63eefe4d36ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019e1e66-1afa-7bd9-bebb-f2a25c564d03" xlink:to="loc_us-gaap_CommonClassCMember_019e1e66-1afa-76af-96ea-63eefe4d36ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019e1e66-1afa-7861-9a10-9400afd6e335" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_DocumentType_019e1e66-1afa-7861-9a10-9400afd6e335" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019e1e66-1afa-78de-a542-ecd048aa177f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_DocumentPeriodEndDate_019e1e66-1afa-78de-a542-ecd048aa177f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019e1e66-1afa-7661-8382-ab79ffea81cb" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_EntityRegistrantName_019e1e66-1afa-7661-8382-ab79ffea81cb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019e1e66-1afa-701e-90be-2387e0d46e57" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_EntityCentralIndexKey_019e1e66-1afa-701e-90be-2387e0d46e57" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019e1e66-1afa-702d-b9f5-6c63bed0b502" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_AmendmentFlag_019e1e66-1afa-702d-b9f5-6c63bed0b502" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019e1e66-1afa-7188-97e4-77bb9551ab75" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019e1e66-1afa-7188-97e4-77bb9551ab75" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019e1e66-1afa-79c6-bdf7-3426bc3b17e7" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_EntityFileNumber_019e1e66-1afa-79c6-bdf7-3426bc3b17e7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019e1e66-1afa-7e3d-9cb8-84e32e202f2c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_EntityTaxIdentificationNumber_019e1e66-1afa-7e3d-9cb8-84e32e202f2c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019e1e66-1afa-737a-a2b5-b39c92cf1465" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_EntityAddressAddressLine1_019e1e66-1afa-737a-a2b5-b39c92cf1465" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_019e1e66-1afa-7dff-962d-5b94f18b0f64" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine2"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_EntityAddressAddressLine2_019e1e66-1afa-7dff-962d-5b94f18b0f64" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019e1e66-1afa-7b7e-921f-e0411154c016" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_EntityAddressCityOrTown_019e1e66-1afa-7b7e-921f-e0411154c016" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019e1e66-1afa-717a-b73e-f3a5d55cbe35" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_EntityAddressPostalZipCode_019e1e66-1afa-717a-b73e-f3a5d55cbe35" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCountry_019e1e66-1afa-792f-9a84-0bbdb2e9c3de" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCountry"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_EntityAddressCountry_019e1e66-1afa-792f-9a84-0bbdb2e9c3de" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019e1e66-1afa-7b41-aebb-ea6c1f4e8757" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_CityAreaCode_019e1e66-1afa-7b41-aebb-ea6c1f4e8757" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019e1e66-1afa-71d4-b817-76404e7a2e9e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_LocalPhoneNumber_019e1e66-1afa-71d4-b817-76404e7a2e9e" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019e1e66-1afa-7202-92f2-207b0e606442" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_WrittenCommunications_019e1e66-1afa-7202-92f2-207b0e606442" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019e1e66-1afa-7b86-a790-349e528ad770" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_SolicitingMaterial_019e1e66-1afa-7b86-a790-349e528ad770" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019e1e66-1afa-76ba-884a-2ac3e10b3081" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_PreCommencementTenderOffer_019e1e66-1afa-76ba-884a-2ac3e10b3081" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019e1e66-1afa-7069-aa50-bb616addf769" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019e1e66-1afa-7069-aa50-bb616addf769" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019e1e66-1afa-7b19-8c43-225dfe6e49e7" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_Security12bTitle_019e1e66-1afa-7b19-8c43-225dfe6e49e7" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019e1e66-1afa-70c8-9eb6-e3f98cf43c7d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_TradingSymbol_019e1e66-1afa-70c8-9eb6-e3f98cf43c7d" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019e1e66-1afa-7cdd-83f9-71bd27795869" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_SecurityExchangeName_019e1e66-1afa-7cdd-83f9-71bd27795869" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019e1e66-1afa-7a43-88a5-09ffab7bf917" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019e1e66-1afa-76cd-959c-1eef6ea59377" xlink:to="loc_dei_EntityEmergingGrowthCompany_019e1e66-1afa-7a43-88a5-09ffab7bf917" xlink:type="arc" order="22"/>
  </link:definitionLink>
</link:linkbase>
