<SEC-DOCUMENT>0001104659-18-018343-index.html : 20180316
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ACCESSION NUMBER:		0001104659-18-018343
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20180316
DATE AS OF CHANGE:		20180316
EFFECTIVENESS DATE:		20180316

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MORGAN STANLEY VARIABLE INVESTMENT SERIES
		CENTRAL INDEX KEY:			0000716716
		IRS NUMBER:				133178476
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-82510
		FILM NUMBER:		18696488

	BUSINESS ADDRESS:	
		STREET 1:		522 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		800-869-6397

	MAIL ADDRESS:	
		STREET 1:		522 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MORGAN STANLEY DEAN WITTER VARIABLE INVESTMENT SERIES
		DATE OF NAME CHANGE:	19980622

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DEAN WITTER VARIABLE INVESTMENT SERIES
		DATE OF NAME CHANGE:	19930209

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WITTER DEAN VARIABLE INVESTMENT SERIES
		DATE OF NAME CHANGE:	19920703
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<SERIES>
<OWNER-CIK>0000716716
<SERIES-ID>S000002460
<SERIES-NAME>INCOME PLUS PORTFOLIO
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000006597
<CLASS-CONTRACT-NAME>X
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000006598
<CLASS-CONTRACT-NAME>Y
</CLASS-CONTRACT>
</SERIES>
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</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>a18-8449_5497.htm
<DESCRIPTION>497
<TEXT>
Document 1 - file: a18-8449_5497.htm

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<SEQUENCE>2
<FILENAME>j1884494_ba002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: j1884494_ba002.jpg

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<SEQUENCE>3
<FILENAME>j1884495_ba001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: j1884495_ba001.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>j1884493_ba001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: j1884493_ba001.jpg

</DOCUMENT>
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