<SEC-DOCUMENT>0000940394-25-000147.txt : 20250130
<SEC-HEADER>0000940394-25-000147.hdr.sgml : 20250130
<ACCEPTANCE-DATETIME>20250130160814
ACCESSION NUMBER:		0000940394-25-000147
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250130
DATE AS OF CHANGE:		20250130

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Eaton Vance Senior Floating-Rate Trust
		CENTRAL INDEX KEY:			0001258623
		ORGANIZATION NAME:           	
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-266343
		FILM NUMBER:		25573758

	BUSINESS ADDRESS:	
		STREET 1:		ONE POST OFFICE SQUARE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
		BUSINESS PHONE:		617-482-8260

	MAIL ADDRESS:	
		STREET 1:		ONE POST OFFICE SQUARE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EATON VANCE SENIOR FLOATING RATE TRUST
		DATE OF NAME CHANGE:	20031017

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EATON VANCE SENIOR FLOATING RATE FUND
		DATE OF NAME CHANGE:	20030806
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>efrsupp.htm
<DESCRIPTION>EATON VANCE SENIOR FLOATING-RATE TRUST SUPPLEMENT DTD 1-30-2025
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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
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    <TD STYLE="width: 65%; padding-right: -4.5pt; padding-left: 5.4pt; font: 11pt Times New Roman, Times, Serif; text-align: left">&nbsp;</TD>
    <TD STYLE="width: 35%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"><B>Filed pursuant to Rule 424(b)(3)</B></P>
    <P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"><B>File No. 333-266343</B></P></TD></TR>
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<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 4.5in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 315pt">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: center"><B>EATON VANCE SENIOR FLOATING-RATE TRUST</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: center"><B>Supplement to Prospectus and Statement of Additional
Information dated March 31, 2023,</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: center"><B>as may be supplemented and/or revised from time to
time</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify">Effective immediately, Catherine C. McDermott, Daniel
P. McElaney, CFA and Sarah A. Choi will continue to serve as portfolio managers of the Fund. All references to other portfolio managers
of the Fund are removed from the Fund&#8217;s Prospectus and Statement of Additional Information.</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 0.5in 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"><B>January 30, 2025</B></P>


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