<?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>0001809296</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000103145</issuerCik>
      <issuerName>VEECO INSTRUMENTS INC</issuerName>
      <secFileNumber>000-16244</secFileNumber>
      <issuerAddress>
        <com:street1>TERMINAL DRIVE</com:street1>
        <com:city>PLAINVIEW</com:city>
        <com:stateOrCountry>NY</com:stateOrCountry>
        <com:zipCode>11803</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>516 677-0200</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Wilkerson Susan</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Rockefeller Capital Management</name>
        <address>
          <com:street1>Two Embarcadero Center, Suite 2320</com:street1>
          <com:city>San Francisco</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94111</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>35723</noOfUnitsSold>
      <aggregateMarketValue>2203723.75</aggregateMarketValue>
      <noOfUnitsOutstanding>61033485</noOfUnitsOutstanding>
      <approxSaleDate>05/26/2026</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>05/01/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Company</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>14538</amountOfSecuritiesAcquired>
      <paymentDate>05/01/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/17/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Company</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1904</amountOfSecuritiesAcquired>
      <paymentDate>03/17/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/12/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Company</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2104</amountOfSecuritiesAcquired>
      <paymentDate>03/12/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>05/01/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Company</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>14536</amountOfSecuritiesAcquired>
      <paymentDate>05/01/2022</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>05/01/2021</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Company</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2641</amountOfSecuritiesAcquired>
      <paymentDate>05/01/2021</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>05/26/2026</noticeDate>
      <signature>/s/ Heather Virgoe as a duly authorized representative of National Financial Services LLC, as attorney-in-fact for Wilkerson Susan</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
