content: <?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>0001375492</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001037646</issuerCik>
        <issuerName>METTLER TOLEDO INTERNATIONAL INC/</issuerName>
        <secFileNumber>001-13595</secFileNumber>
        <issuerAddress>
          <com:street1>1900 POLARIS PARKWAY</com:street1>
          <com:city>COLUMBUS</com:city>
          <com:stateOrCountry>OH</com:stateOrCountry>
          <com:zipCode>43240</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>6144384511</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Chu Wah-Hui</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>former Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill Lynch</name>
          <address>
            <com:street1>8890 Lyra Drive</com:street1>
            <com:street2>5th Floor</com:street2>
            <com:city>Columbus</com:city>
            <com:stateOrCountry>OH</com:stateOrCountry>
            <com:zipCode>43240</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>600</noOfUnitsSold>
        <aggregateMarketValue>780000.00</aggregateMarketValue>
        <noOfUnitsOutstanding>22020230</noOfUnitsOutstanding>
        <approxSaleDate>07/10/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>11/07/2013</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Option Grant</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Mettler Toledo Int'l</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>600</amountOfSecuritiesAcquired>
        <paymentDate>07/06/2023</paymentDate>
        <natureOfPayment>cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>07/10/2023</noticeDate>
        <signature>Wah Hui Chu</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2753}]
text: 144
  0001375492
  XXXXXXXX
  LIVE
  0001037646
  METTLER TOLEDO INTERNATIONAL INC/
  001-13595
  1900 POLARIS PARKWAY
  COLUMBUS
  OH
  43240
  6144384511
  Chu Wah-Hui
  former Director
  common
  Merrill Lynch
  8890 Lyra Drive
  5th Floor
  Columbus
  OH
  43240
  600
  780000.00
  22020230
  07/10/2023
  NYSE
  Common
  11/07/2013
  Stock Option Grant
  Mettler Toledo Int'l
  N
  600
  07/06/2023
  cash
  Y
  07/10/2023
  Wah Hui Chu