<SEC-DOCUMENT>0000940394-19-000490-index.html : 20190301
<SEC-HEADER>0000940394-19-000490.hdr.sgml : 20190301
<ACCEPTANCE-DATETIME>20190301094905
ACCESSION NUMBER:		0000940394-19-000490
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190301
DATE AS OF CHANGE:		20190301
EFFECTIVENESS DATE:		20190301

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:		19647030

	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>evfsaisupp.htm
<DESCRIPTION>EATON VANCE SENIOR INCOME TRUST SAI SUPP DTD 3-1-2019
<TEXT>
Document 1 - file: evfsaisupp.htm

</DOCUMENT>
</SEC-DOCUMENT>