<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xmlns="http://www.sec.gov/edgar/thirteenffiler" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>13F-HR</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>true</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
      </flags>
      <filer>
        <credentials>
          <cik>0001626116</cik>
          <ccc>XXXXXXXX</ccc>
        </credentials>
      </filer>
      <periodOfReport>12-31-2018</periodOfReport>
    </filerInfo>
  </headerData>
  <formData>
    <coverPage>
      <reportCalendarOrQuarter>12-31-2018</reportCalendarOrQuarter>
      <filingManager>
        <name>BOSTON PRIVATE WEALTH LLC</name>
        <address>
          <com:street1>ONE FEDERAL STREET</com:street1>
          <com:street2>30TH  FLOOR</com:street2>
          <com:city>BOSTON</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02110</com:zipCode>
        </address>
      </filingManager>
      <reportType>13F HOLDINGS REPORT</reportType>
      <form13FFileNumber>028-16447</form13FFileNumber>
      <provideInfoForInstruction5>N</provideInfoForInstruction5>
    </coverPage>
    <signatureBlock>
      <name>ELIZABETH KLIMUC</name>
      <title>COMPLIANCE ASSOCIATE II</title>
      <phone>561-494-8363</phone>
      <signature>ELIZABETH KLIMUC</signature>
      <city>PALM BEACH GARDENS</city>
      <stateOrCountry>FL</stateOrCountry>
      <signatureDate>02-14-2019</signatureDate>
    </signatureBlock>
    <summaryPage>
      <otherIncludedManagersCount>9</otherIncludedManagersCount>
      <tableEntryTotal>803</tableEntryTotal>
      <tableValueTotal>2343931</tableValueTotal>
      <isConfidentialOmitted>false</isConfidentialOmitted>
      <otherManagers2Info>
        <otherManager2>
          <sequenceNumber>10</sequenceNumber>
          <otherManager>
            <cik>0000743127</cik>
            <form13FFileNumber>028-01669</form13FFileNumber>
            <name>PINNACLE ASSOCIATES LTD</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>11</sequenceNumber>
          <otherManager>
            <cik>0001305227</cik>
            <form13FFileNumber>028-12016</form13FFileNumber>
            <name>BlackRock Investment Management, LLC</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>12</sequenceNumber>
          <otherManager>
            <cik>0000861462</cik>
            <form13FFileNumber>028-02686</form13FFileNumber>
            <name>NORTH AMERICAN MANAGEMENT CORP</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>13</sequenceNumber>
          <otherManager>
            <cik>0001341401</cik>
            <form13FFileNumber>028-11487</form13FFileNumber>
            <name>River Road Asset Management, LLC</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>14</sequenceNumber>
          <otherManager>
            <cik>0001477872</cik>
            <form13FFileNumber>028-13757</form13FFileNumber>
            <name>Saratoga Research &amp; Investment Management</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>15</sequenceNumber>
          <otherManager>
            <cik>0000932859</cik>
            <form13FFileNumber>028-04558</form13FFileNumber>
            <name>PARAMETRIC PORTFOLIO ASSOCIATES LLC</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>16</sequenceNumber>
          <otherManager>
            <cik>0000928196</cik>
            <form13FFileNumber>028-04434</form13FFileNumber>
            <name>HARDING LOEVNER LP</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>17</sequenceNumber>
          <otherManager>
            <cik>0001078013</cik>
            <form13FFileNumber>028-05229</form13FFileNumber>
            <name>GREAT LAKES ADVISORS, LLC</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>18</sequenceNumber>
          <otherManager>
            <cik>0000860561</cik>
            <form13FFileNumber>028-02602</form13FFileNumber>
            <name>EDGEWOOD MANAGEMENT LLC</name>
          </otherManager>
        </otherManager2>
      </otherManagers2Info>
    </summaryPage>
  </formData>
</edgarSubmission>
