<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001555594</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001094285</issuerCik>
      <issuerName>TELEDYNE TECHNOLOGIES INC</issuerName>
      <secFileNumber>001-15295</secFileNumber>
      <issuerAddress>
        <com:street1>1049 CAMINO DOS RIOS</com:street1>
        <com:city>THOUSAND OAKS</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>91360</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>805-373-4545</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Cibik Melanie Susan</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
        <relationshipToIssuer>Exec. VP, General Counsel, CCO &amp; Secty</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Georgeson Securities Corp.</name>
        <address>
          <com:street1>144 Fernwood Avenue</com:street1>
          <com:city>Edison</com:city>
          <com:stateOrCountry>NJ</com:stateOrCountry>
          <com:zipCode>08837</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>706</noOfUnitsSold>
      <aggregateMarketValue>363590.00</aggregateMarketValue>
      <noOfUnitsOutstanding>46834810</noOfUnitsOutstanding>
      <approxSaleDate>03/03/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>01/21/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Award Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Teledyne Technologies Incorporated</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>539</amountOfSecuritiesAcquired>
      <paymentDate>01/21/2023</paymentDate>
      <natureOfPayment>Services</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>01/27/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Performance Share Award Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Teledyne Technologies Incorporated</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>167</amountOfSecuritiesAcquired>
      <paymentDate>01/27/2023</paymentDate>
      <natureOfPayment>Services</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Melanie S. Cibik</name>
        <address>
          <com:street1>c/o Teledyne Technologies Incorporated</com:street1>
          <com:street2>1049 Camino Dos Rios</com:street2>
          <com:city>Thousand Oaks</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>91360</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>01/27/2025</saleDate>
      <amountOfSecuritiesSold>2538</amountOfSecuritiesSold>
      <grossProceeds>1302040.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Melanie S. Cibik</name>
        <address>
          <com:street1>c/o Teledyne Technologies Incorporated</com:street1>
          <com:street2>1049 Camino Dos Rios</com:street2>
          <com:city>Thousand Oaks</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>91360</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>01/28/2025</saleDate>
      <amountOfSecuritiesSold>4865</amountOfSecuritiesSold>
      <grossProceeds>2481655.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Melanie S. Cibik</name>
        <address>
          <com:street1>c/o Teledyne Technologies Incorporated</com:street1>
          <com:street2>1049 Camino Dos Rios</com:street2>
          <com:city>Thousand Oaks</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>91360</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>01/29/2025</saleDate>
      <amountOfSecuritiesSold>2699</amountOfSecuritiesSold>
      <grossProceeds>1376562.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>03/03/2025</noticeDate>
      <signature>Conformed Signature on File</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
