<SEC-DOCUMENT>0000940394-15-001258-index.html : 20151023
<SEC-HEADER>0000940394-15-001258.hdr.sgml : 20151023
<ACCEPTANCE-DATETIME>20151023143721
ACCESSION NUMBER:		0000940394-15-001258
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20151023
DATE AS OF CHANGE:		20151023
EFFECTIVENESS DATE:		20151023

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:	333-175096
		FILM NUMBER:		151172677

	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 497 DTD 10-23-15
<TEXT>
Document 1 - file: sit497final.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>sitsupp002.gif
<DESCRIPTION>IMAGE
<TEXT>
Document 2 - file: sitsupp002.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>sitpro002.gif
<DESCRIPTION>IMAGE
<TEXT>
Document 3 - file: sitpro002.gif

</DOCUMENT>
</SEC-DOCUMENT>