    <SEC-DOCUMENT>0000940394-22-000348-index.html : 20220228
    <SEC-HEADER>0000940394-22-000348.hdr.sgml : 20220228
    <ACCEPTANCE-DATETIME>20220228152938
    ACCESSION NUMBER:		0000940394-22-000348
    CONFORMED SUBMISSION TYPE:	424B3
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20220228
    DATE AS OF CHANGE:		20220228

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			EATON VANCE SENIOR FLOATING RATE TRUST
    		CENTRAL INDEX KEY:			0001258623
    		IRS NUMBER:				000000000
    		FISCAL YEAR END:			1031

    	FILING VALUES:
    		FORM TYPE:		424B3
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-229695
    		FILM NUMBER:		22688806

    	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>424B3
    <SEQUENCE>1
    <FILENAME>efr424b3final.htm
    <DESCRIPTION>EATON VANCE SENIOR FLOATING-RATE TRUST 424(B)(3) DTD 2-28-2022
    <TEXT>
    Document 1 - file: efr424b3final.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>image_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: image_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>evlogo_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: evlogo_001.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>