    <SEC-DOCUMENT>0000940394-20-001381-index.html : 20201023
    <SEC-HEADER>0000940394-20-001381.hdr.sgml : 20201023
    <ACCEPTANCE-DATETIME>20201023103314
    ACCESSION NUMBER:		0000940394-20-001381
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		2
    FILED AS OF DATE:		20201023
    DATE AS OF CHANGE:		20201023
    EFFECTIVENESS DATE:		20201023

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			EATON VANCE SENIOR INCOME TRUST
    		CENTRAL INDEX KEY:			0001070732
    		IRS NUMBER:				043435040

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	811-09013
    		FILM NUMBER:		201256335

    	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
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>sched14a.htm
    <DESCRIPTION>EATON VANCE SENIOR INCOME TRUST DEFA14A
    <TEXT>
    Document 1 - file: sched14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>2
    <FILENAME>evfpresentation.pdf
    <DESCRIPTION>EATON VANCE SENIOR INCOME TRUST ADDITIONAL SOLICITATION
    <TEXT>
    Document 2 - file: evfpresentation.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>