<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xmlns:com="http://www.sec.gov/edgar/common" xmlns="http://www.sec.gov/edgar/npx">
  <headerData>
    <submissionType>N-PX</submissionType>
    <filerInfo>
      <registrantType>IM</registrantType>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0001260945</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>
      <periodOfReport>06/30/2024</periodOfReport>
    </filerInfo>
  </headerData>
  <formData>
    <coverPage>
      <yearOrQuarter>YEAR</yearOrQuarter>
      <reportCalendarYear>2024</reportCalendarYear>
      <reportingPerson>
        <name>THOMAS H LEE PARTNERS LP</name>
        <phoneNumber>(617) 227-1050</phoneNumber>
        <address>
          <com:street1>100 Federal Street, 35th Floor</com:street1>
          <com:city>Boston</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02110</com:zipCode>
        </address>
      </reportingPerson>
      <agentForService>
        <name>Corporation Service Company</name>
        <address>
          <com:street1>251 Little Falls Drive</com:street1>
          <com:city>Wilmington</com:city>
          <com:stateOrCountry>DE</com:stateOrCountry>
          <com:zipCode>19808-1674</com:zipCode>
        </address>
      </agentForService>
      <reportInfo>
        <reportType>INSTITUTIONAL MANAGER VOTING REPORT</reportType>
        <confidentialTreatment>N</confidentialTreatment>
      </reportInfo>
      <fileNumber>028-11970</fileNumber>
      <leiNumber>984500C7ADF692AD4522</leiNumber>
      <explanatoryInformation>
        <explanatoryChoice>N</explanatoryChoice>
      </explanatoryInformation>
    </coverPage>
    <summaryPage>
      <otherIncludedManagersCount>0</otherIncludedManagersCount>
    </summaryPage>
    <signaturePage>
      <reportingPerson>THOMAS H LEE PARTNERS LP</reportingPerson>
      <txSignature>Michael McDonnell</txSignature>
      <txPrintedSignature>Michael McDonnell</txPrintedSignature>
      <txTitle>Chief Financial Officer, Management Company</txTitle>
      <txAsOfDate>08/30/2024</txAsOfDate>
    </signaturePage>
  </formData>
</edgarSubmission>
