content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001232878</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
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      <issuerInfo>
        <issuerCik>0001078075</issuerCik>
        <issuerName>NETSCOUT SYSTEMS INC</issuerName>
        <secFileNumber>000-26251</secFileNumber>
        <issuerAddress>
          <com:street1>310 LITTLETON ROAD</com:street1>
          <com:city>WESTFORD</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01886</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>978-614-4000</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DOWNING JOHN</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill Lynch</name>
          <address>
            <com:street1>225 Liberty St</com:street1>
            <com:street2>Floor 37</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10281</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>3000</noOfUnitsSold>
        <aggregateMarketValue>87450.00</aggregateMarketValue>
        <noOfUnitsOutstanding>70962252</noOfUnitsOutstanding>
        <approxSaleDate>05/12/2023</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>09/04/2016</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of restricted stock unit award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>NETSCOUT SYSTEMS INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2906</amountOfSecuritiesAcquired>
        <paymentDate>09/04/2016</paymentDate>
        <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>08/26/2016</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of restricted stock unit award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>NETSCOUT SYSTEMS INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>94</amountOfSecuritiesAcquired>
        <paymentDate>08/26/2016</paymentDate>
        <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>John Downing</name>
          <address>
            <com:street1>310 LITTLETON ROAD</com:street1>
            <com:city>WESTFORD</com:city>
            <com:stateOrCountry>MA</com:stateOrCountry>
            <com:zipCode>01886</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>02/16/2023</saleDate>
        <amountOfSecuritiesSold>3000</amountOfSecuritiesSold>
        <grossProceeds>90300.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>05/12/2023</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>11/29/2022</planAdoptionDate>
        </planAdoptionDates>
        <signature>John Downing</signature>
      </noticeSignature>
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text: 144
  0001232878
  XXXXXXXX
  LIVE
  0001078075
  NETSCOUT SYSTEMS INC
  000-26251
  310 LITTLETON ROAD
  WESTFORD
  MA
  01886
  978-614-4000
  DOWNING JOHN
  Officer
  Common Stock
  Merrill Lynch
  225 Liberty St
  Floor 37
  New York
  NY
  10281
  3000
  87450.00
  70962252
  05/12/2023
  NASDAQ
  Common Stock
  09/04/2016
  Vesting of restricted stock unit award
  NETSCOUT SYSTEMS INC
  N
  2906
  09/04/2016
  Granted as part of issuer equity compensation plan
  Common Stock
  08/26/2016
  Vesting of restricted stock unit award
  NETSCOUT SYSTEMS INC
  N
  94
  08/26/2016
  Granted as part of issuer equity compensation plan
  N
  John Downing
  310 LITTLETON ROAD
  WESTFORD
  MA
  01886
  Common Stock
  02/16/2023
  3000
  90300.00
  05/12/2023
  11/29/2022
  John Downing