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    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <!--Field: Pseudo-Tag; ID: Name; Data: BOSTON TRUST WALDEN FUNDS-->
          <cik>0000882748</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
        <fileNumber>033-44964</fileNumber>
      </filer>
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        <confirmingCopyFlag>false</confirmingCopyFlag>
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    <!--Field: Pseudo-Tag; ID: Is Late; Data: false-->
    <!--Field: Pseudo-Tag; ID: Fee Days; Data:-->
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          <nameOfIssuer>Boston Trust Walden Funds</nameOfIssuer>
          <addressOfIssuer>
            <street1>One Beacon Street</street1>
            <city>Boston</city>
            <state>MA</state>
            <country>X1</country>
            <zipCode>02108</zipCode>
          </addressOfIssuer>
        </item1>
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              <seriesName>Boston Trust Asset Management Fund</seriesName>
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                <className>Boston Trust Asset Management Fund</className>
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              </classInfo>
            </rptSeriesClassInfo>
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              <seriesName>Boston Trust Equity Fund</seriesName>
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                <className>Boston Trust Equity Fund</className>
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              </classInfo>
            </rptSeriesClassInfo>
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              <seriesName>Boston Trust Walden Balanced Fund</seriesName>
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                <className>Boston Trust Midcap Fund</className>
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            </rptSeriesClassInfo>
            <rptSeriesClassInfo>
              <seriesName>Boston Trust Walden Midcap Fund</seriesName>
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                <className>Boston Trust Walden Midcap Fund</className>
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              <seriesName>Boston Trust SMID Cap Fund</seriesName>
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                <className>Boston Trust SMID Cap Fund</className>
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            <rptSeriesClassInfo>
              <seriesName>Boston Trust Walden SMID Cap Fund</seriesName>
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              <classInfo>
                <className>Boston Trust Walden SMID Cap Fund</className>
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            </rptSeriesClassInfo>
            <rptSeriesClassInfo>
              <seriesName>Boston Trust Walden International Equity Fund</seriesName>
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              <classInfo>
                <className>Boston Trust Walden International Equity Fund</className>
                <classId>C000129551</classId>
              </classInfo>
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          </reportSeriesClass>
        </item2>
        <item3>
          <investmentCompActFileNo>811-06526</investmentCompActFileNo>
          <securitiesActFileNumbers>
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              <fileNumber>033-44964</fileNumber>
            </securitiesActFileNo>
          </securitiesActFileNumbers>
        </item3>
        <item4>
          <lastDayOfFiscalYear>12/31/2025</lastDayOfFiscalYear>
          <isThisFormBeingFiledLate>true</isThisFormBeingFiledLate>
        </item4>
        <item5>
          <aggregateSalePriceOfSecuritiesSold>663337933.00</aggregateSalePriceOfSecuritiesSold>
          <aggregatePriceOfSecuritiesRedeemedOrRepurchasedInFiscalYear>1026694597.00</aggregatePriceOfSecuritiesRedeemedOrRepurchasedInFiscalYear>
          <aggregatePriceOfSecuritiesRedeemedOrRepurchasedAnyPrior>0.00</aggregatePriceOfSecuritiesRedeemedOrRepurchasedAnyPrior>
          <totalAvailableRedemptionCredits>1026694597.00</totalAvailableRedemptionCredits>
          <netSales>0.00</netSales>
          <redemptionCreditsAvailableForUseInFutureYears>(363356664.00)</redemptionCreditsAvailableForUseInFutureYears>
          <multiplierForDeterminingRegistrationFee>0.000138100</multiplierForDeterminingRegistrationFee>
          <registrationFeeDue>0.00</registrationFeeDue>
        </item5>
        <item6>
          <interestDue>0.00</interestDue>
          <!--Field: Pseudo-Tag; ID: Fee Days; Data:-->
        </item6>
        <item7>
          <totalOfRegistrationFeePlusAnyInterestDue>0.00</totalOfRegistrationFeePlusAnyInterestDue>
        </item7>
        <signature>
          <signature>/s/ Lucia Santini</signature>
          <nameAndTitle>Lucia Santini, President</nameAndTitle>
          <signatureDate>04/27/2026</signatureDate>
        </signature>
      </annualFilingInfo>
    </annualFilings>
  </formData>
</edgarSubmission>