<SEC-DOCUMENT>0000940394-17-002098-index.html : 20171026
<SEC-HEADER>0000940394-17-002098.hdr.sgml : 20171026
<ACCEPTANCE-DATETIME>20171026160841
ACCESSION NUMBER:		0000940394-17-002098
CONFORMED SUBMISSION TYPE:	486BPOS
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20171026
DATE AS OF CHANGE:		20171026
EFFECTIVENESS DATE:		20171026

FILER:

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

	FILING VALUES:
		FORM TYPE:		486BPOS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-207588
		FILM NUMBER:		171156397

	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

FILER:

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

	FILING VALUES:
		FORM TYPE:		486BPOS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-09013
		FILM NUMBER:		171156398

	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>486BPOS
<SEQUENCE>1
<FILENAME>sitpea2final.htm
<DESCRIPTION>EATON VANCE SENIOR INCOME TRUST PEA #2/16 DTD 10-26-2017
<TEXT>
Document 1 - file: sitpea2final.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(L)
<SEQUENCE>2
<FILENAME>exhibitl_ex99zl.htm
<DESCRIPTION>OPINION OF INTERNAL COUNSEL
<TEXT>
Document 2 - file: exhibitl_ex99zl.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(N)
<SEQUENCE>3
<FILENAME>exhibitn_ex99zn.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
<TEXT>
Document 3 - file: exhibitn_ex99zn.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(S)
<SEQUENCE>4
<FILENAME>exhibits_ex99zs.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
Document 4 - file: exhibits_ex99zs.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>sitpro001.jpg
<TEXT>
Document 6 - file: sitpro001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>exhibitl_ex99zl001.jpg
<TEXT>
Document 7 - file: exhibitl_ex99zl001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>letter_cover003.gif
<TEXT>
Document 8 - file: letter_cover003.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>letter_cover004.gif
<TEXT>
Document 9 - file: letter_cover004.gif

</DOCUMENT>
</SEC-DOCUMENT>