<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xsi:schemaLocation="http://www.sec.gov/edgar/thirteenffiler eis_13F_Filer.xsd" xmlns="http://www.sec.gov/edgar/thirteenffiler" xmlns:ns1="http://www.sec.gov/edgar/common" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <headerData>
    <submissionType>13F-HR</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>false</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
      </flags>
      <filer>
        <credentials>
          <cik>0001415996</cik>
          <ccc>XXXXXXXX</ccc>
        </credentials>
      </filer>
      <periodOfReport>09-30-2021</periodOfReport>
    </filerInfo>
  </headerData>
  <formData>
    <coverPage>
      <reportCalendarOrQuarter>09-30-2021</reportCalendarOrQuarter>
      <isAmendment>false</isAmendment>
      <filingManager>
        <name>IndexIQ Advisors LLC</name>
        <address>
          <ns1:street1>51 Madison Avenue</ns1:street1>
          <ns1:street2>4th Floor</ns1:street2>
          <ns1:city>New York</ns1:city>
          <ns1:stateOrCountry>NY</ns1:stateOrCountry>
          <ns1:zipCode>10010</ns1:zipCode>
        </address>
      </filingManager>
      <reportType>13F COMBINATION REPORT</reportType>
      <form13FFileNumber>028-13712</form13FFileNumber>
      <otherManagersInfo>
        <otherManager>
          <cik>0000061227</cik>
          <form13FFileNumber>028-00046</form13FFileNumber>
          <name>MACKAY SHIELDS LLC</name>
        </otherManager>
        <otherManager>
          <cik>0001606720</cik>
          <form13FFileNumber>028-16259</form13FFileNumber>
          <name>NYL Investors LLC</name>
        </otherManager>
      </otherManagersInfo>
      <provideInfoForInstruction5>N</provideInfoForInstruction5>
    </coverPage>
    <signatureBlock>
      <name>Jonathan Zimmerman</name>
      <title>Chief Operating Officer</title>
      <phone>212-576-7282</phone>
      <signature>/s/ Jonathan Zimmerman</signature>
      <city>New York</city>
      <stateOrCountry>NY</stateOrCountry>
      <signatureDate>11-10-2021</signatureDate>
    </signatureBlock>
    <summaryPage>
      <otherIncludedManagersCount>2</otherIncludedManagersCount>
      <tableEntryTotal>1216</tableEntryTotal>
      <tableValueTotal>3000312</tableValueTotal>
      <otherManagers2Info>
        <otherManager2>
          <sequenceNumber>01</sequenceNumber>
          <otherManager>
            <cik>0001483922</cik>
            <form13FFileNumber>028-13710</form13FFileNumber>
            <name>INDEXIQ LLC</name>
          </otherManager>
        </otherManager2>
        <otherManager2>
          <sequenceNumber>02</sequenceNumber>
          <otherManager>
            <cik>0001133639</cik>
            <form13FFileNumber>028-06325</form13FFileNumber>
            <name>NEW YORK LIFE INVESTMENT MANAGEMENT LLC</name>
          </otherManager>
        </otherManager2>
      </otherManagers2Info>
    </summaryPage>
  </formData>
</edgarSubmission>
