<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/nport" xmlns:com="http://www.sec.gov/edgar/common" xmlns:ncom="http://www.sec.gov/edgar/nportcommon" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sec.gov/edgar/nport eis_NPORT_Filer.xsd">
  <headerData>
    <submissionType>NPORT-P</submissionType>
    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0000892538</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000013243</seriesId>
        <classId>C000169130</classId>
        <classId>C000035590</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>SUNAMERICA SERIES TRUST</regName>
      <regFileNumber>811-07238</regFileNumber>
      <regCik>0000892538</regCik>
      <regLei>549300YDIAXUNCUXFM44</regLei>
      <regStreet1>21650 Oxnard Street, 10 Floor</regStreet1>
      <regCity>Woodland Hills</regCity>
      <regStateConditional regCountry="US" regState="US-CA"/>
      <regZipOrPostalCode>91367</regZipOrPostalCode>
      <regPhone>800-445-7862</regPhone>
      <seriesName>SA American Funds Asset Allocation Portfolio</seriesName>
      <seriesId>S000013243</seriesId>
      <seriesLei>5493000IKJMBMOJHK175</seriesLei>
      <repPdEnd>2019-12-31</repPdEnd>
      <repPdDate>2019-12-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>1178232845.7</totAssets>
      <totLiabs>1172869.6</totLiabs>
      <netAssets>1177059976.1</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>0</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000169130" rtn1="1.75000000" rtn2="2.20000000" rtn3="2.40000000"/>
          <monthlyTotReturn classId="C000035590" rtn1="1.76000000" rtn2="2.21000000" rtn3="2.33000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="446084.13000000" netUnrealizedAppr="18655958.74000000"/>
        <othMon2 netRealizedGain="359010.52000000" netUnrealizedAppr="24458768.80000000"/>
        <othMon3 netRealizedGain="341950.27000000" netUnrealizedAppr="8669636.40000000"/>
      </returnInfo>
      <mon1Flow redemption="1585767.16000000" reinvestment="553902.10000000" sales="21327151.78000000"/>
      <mon2Flow redemption="738058.14000000" reinvestment="0.00000000" sales="16128682.45000000"/>
      <mon3Flow redemption="581942.28000000" reinvestment="69762109.14000000" sales="22509943.39000000"/>


    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>American Funds Insurance Series - Asset Allocation Fund</name>
        <lei>NZ0CKTWRMGPUOK1M2496</lei>
        <title>American Funds Insurance Series - Asset Allocation Fund</title>
        <cusip>030372601</cusip>
        <identifiers>
          <isin value="US0303726014"/>
        </identifiers>
        <balance>48966251.62000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1177638351.46000000</valUSD>
        <pctVal>100.0491372888</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>
    <explntrNotes>
      <explntrNote note="Monthly returns presented in Item B.5(a) have been calculated without deducting any applicable sales loads or redemption fees." noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2020-01-29</ncom:dateSigned>
      <ncom:nameOfApplicant>SUNAMERICA SERIES TRUST</ncom:nameOfApplicant>
      <ncom:signature>Shawn Parry</ncom:signature>
      <ncom:signerName>Shawn Parry</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
