<SEC-DOCUMENT>0000940394-19-001394-index.html : 20191024
<SEC-HEADER>0000940394-19-001394.hdr.sgml : 20191024
<ACCEPTANCE-DATETIME>20191024152043
ACCESSION NUMBER:		0000940394-19-001394
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20191024
DATE AS OF CHANGE:		20191024
EFFECTIVENESS DATE:		20191024

FILER:

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

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-227968
		FILM NUMBER:		191166234

	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>497
<SEQUENCE>1
<FILENAME>sit497final.htm
<DESCRIPTION>EATON VANCE SENIOR INCOME TRUST
<TEXT>
Document 1 - file: sit497final.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>sitsupp_301.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: sitsupp_301.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>sitpro_101.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: sitpro_101.jpg

</DOCUMENT>
</SEC-DOCUMENT>