<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/nport">
  <headerData>
    <submissionType>NPORT-P</submissionType>
    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0001592900</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000066453</seriesId>
        <classId>C000214348</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>Alpha Architect ETF Trust</regName>
      <regFileNumber>811-22961</regFileNumber>
      <regCik>0001592900</regCik>
      <regLei>5493004OW9VWINAYRX18</regLei>
      <regStreet1>213 Foxcroft Road</regStreet1>
      <regCity>Broomall</regCity>
      <regStateConditional regCountry="US" regState="US-PA"/>
      <regZipOrPostalCode>PA</regZipOrPostalCode>
      <regPhone>2158829983</regPhone>
      <seriesName>Merlyn.AI Tactical Growth and Income ETF</seriesName>
      <seriesId>S000066453</seriesId>
      <seriesLei>549300ATMPWHRQEJ7Y11</seriesLei>
      <repPdEnd>2020-09-30</repPdEnd>
      <repPdDate>2020-03-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>3307230.84</totAssets>
      <totLiabs>1414.79</totLiabs>
      <netAssets>3305816.05</netAssets>
      <assetsAttrMiscSec>0</assetsAttrMiscSec>
      <assetsInvested>0</assetsInvested>
      <amtPayOneYrBanksBorr>0</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0</amtPayAftOneYrBanksBorr>
      <amtPayAftOneYrCtrldComp>0</amtPayAftOneYrCtrldComp>
      <amtPayAftOneYrOthAffil>0</amtPayAftOneYrOthAffil>
      <amtPayAftOneYrOther>0</amtPayAftOneYrOther>
      <delayDeliv>0</delayDeliv>
      <standByCommit>0</standByCommit>
      <liquidPref>0</liquidPref>
      <cshNotRptdInCorD>1181.58</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000214348" rtn1="0" rtn2="0" rtn3="-8.84"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="0.00" netUnrealizedAppr="0.00"/>
        <othMon2 netRealizedGain="0.00" netUnrealizedAppr="-94859.20"/>
        <othMon3 netRealizedGain="-80098.00" netUnrealizedAppr="-253415.92"/>
      </returnInfo>
      <mon1Flow redemption="0.00" reinvestment="0.00" sales="0.00"/>
      <mon2Flow redemption="0.00" reinvestment="0.00" sales="3732960.00"/>
      <mon3Flow redemption="0.00" reinvestment="0.00" sales="0.00"/>
    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>FIRST AMERN FDS INC</name>
        <lei>549300R5MYM6VZF1RM44</lei>
        <title>FIRST AMERN FDS INC</title>
        <cusip>N/A</cusip>
        <identifiers>
          <ticker value="FGXXX"/>
        </identifiers>
        <balance>7720</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7720.10</valUSD>
        <pctVal>0.23</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FIRST TR EXCHANGE-TRADED FD VI RISNG DIVD ACHIV</name>
        <lei>549300R71VNLKJ6ASS69</lei>
        <title>FIRST TR EXCHANGE-TRADED FD VI RISNG DIVD ACHIV</title>
        <cusip>N/A</cusip>
        <identifiers>
          <ticker value="RDVY"/>
          <other otherDesc="SEDOL" value="BHY41J2"/>
        </identifiers>
        <balance>5626</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>144194.38</valUSD>
        <pctVal>4.35</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>GOLDMAN SACHS ETF TR ACCESS INVT GR</name>
        <lei>549300KGVZT18SX98G95</lei>
        <title>GOLDMAN SACHS ETF TR ACCESS INVT GR</title>
        <cusip>N/A</cusip>
        <identifiers>
          <ticker value="GIGB"/>
          <other otherDesc="SEDOL" value="BF5LD58"/>
        </identifiers>
        <balance>10081</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>516512.13</valUSD>
        <pctVal>15.58</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>INVESCO QQQ TR UNIT SER 1</name>
        <lei>549300VY6FEJBCIMET58</lei>
        <title>INVESCO QQQ TR UNIT SER 1</title>
        <cusip>N/A</cusip>
        <identifiers>
          <ticker value="QQQ"/>
          <other otherDesc="SEDOL" value="BDQYP67"/>
        </identifiers>
        <balance>849</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>161649.60</valUSD>
        <pctVal>4.88</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>INVESCO EXCHANGE TRADED FD TR S&amp;P MDCP MOMNTUM</name>
        <lei>549300EBCSYSXC6B4270</lei>
        <title>INVESCO EXCHANGE TRADED FD TR S&amp;P MDCP MOMNTUM</title>
        <cusip>N/A</cusip>
        <identifiers>
          <ticker value="XMMO"/>
          <other otherDesc="SEDOL" value="BZ031N3"/>
        </identifiers>
        <balance>3111</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>152750.10</valUSD>
        <pctVal>4.61</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>ISHARES CORE US CREDIT BOND</name>
        <lei>5493004QFMCNV0WLX398</lei>
        <title>ISHARES CORE US CREDIT BOND</title>
        <cusip>N/A</cusip>
        <identifiers>
          <ticker value="USIG"/>
          <other otherDesc="SEDOL" value="B1MYR05"/>
        </identifiers>
        <balance>9084</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>508885.68</valUSD>
        <pctVal>15.35</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>ISHARES TR INTRM TR CRP ETF</name>
        <lei>549300ZJOCMXQZ0RKQ84</lei>
        <title>ISHARES TR INTRM TR CRP ETF</title>
        <cusip>N/A</cusip>
        <identifiers>
          <ticker value="IGIB"/>
          <other otherDesc="SEDOL" value="B1MYR27"/>
        </identifiers>
        <balance>12178</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>668815.76</valUSD>
        <pctVal>20.18</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>SPDR SER TR S&amp;P SEMICNDCTR</name>
        <lei>549300BYZ3JA8JJMEJ82</lei>
        <title>SPDR SER TR S&amp;P SEMICNDCTR</title>
        <cusip>N/A</cusip>
        <identifiers>
          <ticker value="XSD"/>
          <other otherDesc="SEDOL" value="B0Y90M4"/>
        </identifiers>
        <balance>5621</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>471995.37</valUSD>
        <pctVal>14.24</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>VANGUARD SCOTTSDALE FDS INT-TERM CORP</name>
        <lei>N/A</lei>
        <title>VANGUARD SCOTTSDALE FDS INT-TERM CORP</title>
        <cusip>N/A</cusip>
        <identifiers>
          <ticker value="VCIT"/>
          <other otherDesc="SEDOL" value="B4KH912"/>
        </identifiers>
        <balance>7730</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>673205.70</valUSD>
        <pctVal>20.31</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <dateSigned xmlns="http://www.sec.gov/edgar/nportcommon">2020-03-31</dateSigned>
      <nameOfApplicant xmlns="http://www.sec.gov/edgar/nportcommon">Alpha Architect ETF Trust</nameOfApplicant>
      <signature xmlns="http://www.sec.gov/edgar/nportcommon">Patrick Cleary</signature>
      <signerName xmlns="http://www.sec.gov/edgar/nportcommon">Patrick Cleary</signerName>
      <title xmlns="http://www.sec.gov/edgar/nportcommon">Chief Compliance Officer</title>
    </signature>
  </formData>
</edgarSubmission>
