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    <submissionType>13F-HR</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>true</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
      </flags>
      <filer>
        <credentials>
          <cik>0001600035</cik>
          <ccc>XXXXXXXX</ccc>
        </credentials>
      </filer>
      <periodOfReport>03-31-2021</periodOfReport>
    </filerInfo>
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    <coverPage>
      <reportCalendarOrQuarter>03-31-2021</reportCalendarOrQuarter>
      <filingManager>
        <name>Stonebridge Capital Advisors LLC</name>
        <address>
          <com:street1>2550 UNIVERSITY AVE WEST</com:street1>
          <com:street2>SUITE 180 SOUTH</com:street2>
          <com:city>ST PAUL</com:city>
          <com:stateOrCountry>MN</com:stateOrCountry>
          <com:zipCode>55114</com:zipCode>
        </address>
      </filingManager>
      <reportType>13F HOLDINGS REPORT</reportType>
      <form13FFileNumber>028-16094</form13FFileNumber>
      <provideInfoForInstruction5>N</provideInfoForInstruction5>
    </coverPage>
    <signatureBlock>
      <name>Michael Dashner</name>
      <title>Portfolio Manager</title>
      <phone>16512511000</phone>
      <signature>Michael Dashner</signature>
      <city>St. Paul</city>
      <stateOrCountry>MN</stateOrCountry>
      <signatureDate>05-14-2021</signatureDate>
    </signatureBlock>
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      <tableEntryTotal>993</tableEntryTotal>
      <tableValueTotal>755518</tableValueTotal>
      <isConfidentialOmitted>false</isConfidentialOmitted>
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