<?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>0001419148</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001819576</issuerCik>
      <issuerName>Liquidia Technologies Inc.</issuerName>
      <secFileNumber>001-39724</secFileNumber>
      <issuerAddress>
        <com:street1>419 Davis Drive Suite 100</com:street1>
        <com:city>Morrisville</com:city>
        <com:stateOrCountry>NC</com:stateOrCountry>
        <com:zipCode>27560</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>9193284377</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Canaan VIII LP</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>UBS Financial Services Inc</name>
        <address>
          <com:street1>1000 Harbor Blvd</com:street1>
          <com:street2>3rd Floor</com:street2>
          <com:city>Weehawken</com:city>
          <com:stateOrCountry>NJ</com:stateOrCountry>
          <com:zipCode>07086</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>318893</noOfUnitsSold>
      <aggregateMarketValue>15900000</aggregateMarketValue>
      <noOfUnitsOutstanding>88114429</noOfUnitsOutstanding>
      <approxSaleDate>05/11/2026</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common stock</securitiesClassTitle>
      <acquiredDate>07/26/2018</acquiredDate>
      <natureOfAcquisitionTransaction>pre-IPO investment</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Company</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>318893</amountOfSecuritiesAcquired>
      <paymentDate>07/26/2018</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Canaan VIII LP</name>
        <address>
          <com:street1>700 Fairfield Ave Suite 1</com:street1>
          <com:city>Stamford</com:city>
          <com:stateOrCountry>CT</com:stateOrCountry>
          <com:zipCode>06902</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/26/2026</saleDate>
      <amountOfSecuritiesSold>7684</amountOfSecuritiesSold>
      <grossProceeds>285678</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Canaan VIII LP</name>
        <address>
          <com:street1>700 Fairfield Ave Suite 1</com:street1>
          <com:city>Stamford</com:city>
          <com:stateOrCountry>CT</com:stateOrCountry>
          <com:zipCode>06902</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/27/2026</saleDate>
      <amountOfSecuritiesSold>62550</amountOfSecuritiesSold>
      <grossProceeds>2245280</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>Canaan has a COMMUNICATIONS-SCREEN POLICY</remarks>
    <noticeSignature>
      <noticeDate>05/11/2026</noticeDate>
      <signature>/s/Mijo  Suric, for UBS Financial Services Inc, as attorney-in-fact for Canaan VIII LP</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
