<?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>0001075065</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000047149</seriesId>
        <classId>C000147796</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>SA FUNDS INVESTMENT TRUST</regName>
      <regFileNumber>811-09195</regFileNumber>
      <regCik>0001075065</regCik>
      <regLei>549300JT43J3I1034E48</regLei>
      <regStreet1>8182 Maryland Ave., Suite 500</regStreet1>
      <regCity>Saint Louis</regCity>
      <regStateConditional regCountry="US" regState="US-MO"/>
      <regZipOrPostalCode>63105</regZipOrPostalCode>
      <regPhone>8443660905</regPhone>
      <seriesName>SA Worldwide Moderate Growth Fund</seriesName>
      <seriesId>S000047149</seriesId>
      <seriesLei>54930098XFVXVWIUFW88</seriesLei>
      <repPdEnd>2024-06-30</repPdEnd>
      <repPdDate>2023-09-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>21527917.25</totAssets>
      <totLiabs>25190.63</totLiabs>
      <netAssets>21502726.62</netAssets>
      <assetsAttrMiscSec>0.00000000</assetsAttrMiscSec>
      <assetsInvested>0.00000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.00000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.00000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.00000000</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0.00000000</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0.00000000</amtPayAftOneYrBanksBorr>
      <amtPayAftOneYrCtrldComp>0.00000000</amtPayAftOneYrCtrldComp>
      <amtPayAftOneYrOthAffil>0.00000000</amtPayAftOneYrOthAffil>
      <amtPayAftOneYrOther>0.00000000</amtPayAftOneYrOther>
      <delayDeliv>0.00000000</delayDeliv>
      <standByCommit>0.00000000</standByCommit>
      <liquidPref>0.00000000</liquidPref>
      <cshNotRptdInCorD>0.00000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000147796" rtn1="3.15000000" rtn2="-1.80000000" rtn3="-2.01000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="26579.14000000" netUnrealizedAppr="679853.10000000"/>
        <othMon2 netRealizedGain="10639.31000000" netUnrealizedAppr="-426382.66000000"/>
        <othMon3 netRealizedGain="23851.77000000" netUnrealizedAppr="-467788.12000000"/>
      </returnInfo>
      <mon1Flow redemption="428035.47000000" reinvestment="0.00000000" sales="177419.00000000"/>
      <mon2Flow redemption="429029.51000000" reinvestment="0.00000000" sales="202902.28000000"/>
      <mon3Flow redemption="335431.77000000" reinvestment="0.00000000" sales="191583.86000000"/>


    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>SA Global Fixed Income Fund</name>
        <lei>549300ZPCJH1Y2TR4708</lei>
        <title>SA Global Fixed Income Fund</title>
        <cusip>78386T700</cusip>
        <identifiers>
          <isin value="US78386T7000"/>
        </identifiers>
        <balance>530769.59000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4580541.57000000</valUSD>
        <pctVal>21.30214298376</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>SA Real Estate Securities Fund</name>
        <lei>549300YJOQJY8XYZKU26</lei>
        <title>SA Real Estate Securities Fund</title>
        <cusip>78386T783</cusip>
        <identifiers>
          <isin value="US78386T7836"/>
        </identifiers>
        <balance>64923.33000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>629107.05000000</valUSD>
        <pctVal>2.925708265364</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>SA US Fixed Income Fund</name>
        <lei>549300OKQJ6SSMZM0E72</lei>
        <title>SA US Fixed Income Fund</title>
        <cusip>78386T791</cusip>
        <identifiers>
          <isin value="US78386T7919"/>
        </identifiers>
        <balance>207019.11000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1968751.75000000</valUSD>
        <pctVal>9.155823746411</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>SA US Small Company Fund</name>
        <lei>549300DROO5SMP8HKL02</lei>
        <title>SA US Small Company Fund</title>
        <cusip>78386T874</cusip>
        <identifiers>
          <isin value="US78386T8743"/>
        </identifiers>
        <balance>58817.64000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1431033.23000000</valUSD>
        <pctVal>6.655124511832</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>SA Emerging Markets Value Fund</name>
        <lei>549300EM8RMWQRX5EP09</lei>
        <title>SA Emerging Markets Value Fund</title>
        <cusip>78386T775</cusip>
        <identifiers>
          <isin value="US78386T7752"/>
        </identifiers>
        <balance>150355.97000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1443417.34000000</valUSD>
        <pctVal>6.712717719516</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>SA US Value Fund</name>
        <lei>5493000NRYHBSFVPGI82</lei>
        <title>SA US Value Fund</title>
        <cusip>78386T882</cusip>
        <identifiers>
          <isin value="US78386T8826"/>
        </identifiers>
        <balance>192161.37000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3587652.80000000</valUSD>
        <pctVal>16.68464127085</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>SA US Core Market Fund</name>
        <lei>549300UHK5ZRWIGOOK11</lei>
        <title>SA US Core Market Fund</title>
        <cusip>78386T809</cusip>
        <identifiers>
          <isin value="US78386T8099"/>
        </identifiers>
        <balance>132251.24000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3539043.18000000</valUSD>
        <pctVal>16.45857868419</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>SA International Value Fund</name>
        <lei>549300GQHX7DCPLX7N06</lei>
        <title>SA International Value Fund</title>
        <cusip>78386T866</cusip>
        <identifiers>
          <isin value="US78386T8669"/>
        </identifiers>
        <balance>351124.72000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4311811.55000000</valUSD>
        <pctVal>20.05239440652</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>2023-10-23</ncom:dateSigned>
      <ncom:nameOfApplicant>SA FUNDS INVESTMENT TRUST</ncom:nameOfApplicant>
      <ncom:signature>Marcy Tsagarakis</ncom:signature>
      <ncom:signerName>Marcy Tsagarakis</ncom:signerName>
      <ncom:title>SA Funds Investment Trust, Secretary</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
