<?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">
  <headerData>
    <submissionType>NPORT-P</submissionType>
    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0000773757</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000012086</seriesId>
        <classId>C000126470</classId>
        <classId>C000032936</classId>
        <classId>C000032938</classId>
        <classId>C000032940</classId>
        <classId>C000032941</classId>
        <classId>C000184730</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>Columbia Funds Series Trust I</regName>
      <regFileNumber>811-04367</regFileNumber>
      <regCik>0000773757</regCik>
      <regLei>549300W5GIE6ZOZOTD82</regLei>
      <regStreet1>290 Congress Street</regStreet1>
      <regCity>Boston</regCity>
      <regStateConditional regCountry="US" regState="US-MA"/>
      <regZipOrPostalCode>02110</regZipOrPostalCode>
      <regPhone>800-345-6611</regPhone>
      <seriesName>Columbia Connecticut Intermediate Municipal Bond Fund</seriesName>
      <seriesId>S000012086</seriesId>
      <seriesLei>F7SIMDZG3Z07QMW5T629</seriesLei>
      <repPdEnd>2023-10-31</repPdEnd>
      <repPdDate>2023-10-31</repPdDate>
      <isFinalFiling>Y</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>34321291.470000000000</totAssets>
      <totLiabs>234739.590000000000</totLiabs>
      <netAssets>34086551.880000000000</netAssets>
      <assetsAttrMiscSec>0.000000000000</assetsAttrMiscSec>
      <assetsInvested>0.000000000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.000000000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.000000000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.000000000000</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0.000000000000</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0.000000000000</amtPayAftOneYrBanksBorr>
      <amtPayAftOneYrCtrldComp>0.000000000000</amtPayAftOneYrCtrldComp>
      <amtPayAftOneYrOthAffil>0.000000000000</amtPayAftOneYrOthAffil>
      <amtPayAftOneYrOther>0.000000000000</amtPayAftOneYrOther>
      <delayDeliv>0.000000000000</delayDeliv>
      <standByCommit>0.000000000000</standByCommit>
      <liquidPref>0.000000000000</liquidPref>
      <cshNotRptdInCorD>0.000000000000</cshNotRptdInCorD>
      <curMetrics>
        <curMetric>
          <curCd>USD</curCd>
          <intrstRtRiskdv01 period10Yr="0.000000000000" period1Yr="0.000000000000" period30Yr="0.000000000000" period3Mon="0.034320000000" period5Yr="0.000000000000"/>
          <intrstRtRiskdv100 period10Yr="0.000000000000" period1Yr="0.000000000000" period30Yr="0.000000000000" period3Mon="3.432000000000" period5Yr="0.000000000000"/>
        </curMetric>
      </curMetrics>
      <creditSprdRiskInvstGrade period10Yr="0.000000000000" period1Yr="0.000000000000" period30Yr="0.000000000000" period3Mon="0.000000000000" period5Yr="0.000000000000"/>
      <creditSprdRiskNonInvstGrade period10Yr="0.000000000000" period1Yr="0.000000000000" period30Yr="3.432000000000" period3Mon="0.000000000000" period5Yr="0.000000000000"/>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000032936" rtn1="-0.730000" rtn2="-1.970000" rtn3="-0.710000"/>
          <monthlyTotReturn classId="C000032938" rtn1="-0.870000" rtn2="-1.900000" rtn3="-0.740000"/>
          <monthlyTotReturn classId="C000032940" rtn1="-0.830000" rtn2="-1.860000" rtn3="-0.700000"/>
          <monthlyTotReturn classId="C000032941" rtn1="-0.810000" rtn2="-1.850000" rtn3="-0.690000"/>
          <monthlyTotReturn classId="C000126470" rtn1="-0.810000" rtn2="-1.850000" rtn3="-0.690000"/>
          <monthlyTotReturn classId="C000184730" rtn1="-0.800000" rtn2="-1.840000" rtn3="-0.680000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="-191339.55" netUnrealizedAppr="-297719.99"/>
        <othMon2 netRealizedGain="-563584.25" netUnrealizedAppr="-336916.72"/>
        <othMon3 netRealizedGain="-1867735.54" netUnrealizedAppr="1472479.04"/>
      </returnInfo>
      <mon1Flow redemption="1735129.09" reinvestment="50766.70" sales="45913.14"/>
      <mon2Flow redemption="6456874.70" reinvestment="47819.51" sales="24600.76"/>
      <mon3Flow redemption="5003425.83" reinvestment="48324.32" sales="21702.24"/>


      <varInfo>

        <fundsDesignatedInfo>
          <nameDesignatedIndex>N/A</nameDesignatedIndex>
          <indexIdentifier>N/A</indexIdentifier>

        </fundsDesignatedInfo>

      </varInfo>
    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>JPMorgan Institutional Tax Free Money Market Fund</name>
        <lei>N/A</lei>
        <title>JPMorgan Institutional Tax Free Money Market Fund, Institutional</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal Id" value="AAQ9968S9"/>
        </identifiers>
        <balance>34208591.66</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>34208591.66</valUSD>
        <pctVal>100.3580291149</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2023-11-27</ncom:dateSigned>
      <ncom:nameOfApplicant>Columbia Funds Series Trust I</ncom:nameOfApplicant>
      <ncom:signature>Martha Skinner</ncom:signature>
      <ncom:signerName>Martha Skinner</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
