<SEC-DOCUMENT>0001225208-11-021187.txt : 20110901
<SEC-HEADER>0001225208-11-021187.hdr.sgml : 20110901
<ACCEPTANCE-DATETIME>20110901165352
ACCESSION NUMBER:		0001225208-11-021187
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110901
FILED AS OF DATE:		20110901
DATE AS OF CHANGE:		20110901

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Eston Scott
		CENTRAL INDEX KEY:			0001529085

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-21411
		FILM NUMBER:		111071503

	MAIL ADDRESS:	
		STREET 1:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EATON VANCE SENIOR FLOATING RATE TRUST
		CENTRAL INDEX KEY:			0001258623
		IRS NUMBER:				000000000

	BUSINESS ADDRESS:	
		STREET 1:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		617-482-8260

	MAIL ADDRESS:	
		STREET 1:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EATON VANCE SENIOR FLOATING RATE FUND
		DATE OF NAME CHANGE:	20030806
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0204</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2011-09-01</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001258623</issuerCik>
        <issuerName>EATON VANCE SENIOR FLOATING RATE TRUST</issuerName>
        <issuerTradingSymbol>EFR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001529085</rptOwnerCik>
            <rptOwnerName>Eston Scott</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>EATON VANCE</rptOwnerStreet1>
            <rptOwnerStreet2>TWO INTERNATIONAL PLACE</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02110</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOther>1</isOther>
            <otherText>Trustee</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>Paul M. O'Neil, Attorney in Fact</signatureName>
        <signatureDate>2011-09-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
