<SEC-DOCUMENT>0001752724-20-065794-index.html : 20200331
<SEC-HEADER>0001752724-20-065794.hdr.sgml : 20200331
<ACCEPTANCE-DATETIME>20200330183146
ACCESSION NUMBER:		0001752724-20-065794
CONFORMED SUBMISSION TYPE:	NPORT-P
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20200131
FILED AS OF DATE:		20200331
PERIOD START:           	20201031

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock Multi-Sector Income Trust
		CENTRAL INDEX KEY:			0001562818
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		NPORT-P
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-22774
		FILM NUMBER:		20758904

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809-3700
		BUSINESS PHONE:		800-882-0052

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809-3700

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BlackRock Fixed Income Strategic Opportunities
		DATE OF NAME CHANGE:	20121126
</SEC-HEADER>
<DOCUMENT>
<TYPE>NPORT-P
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>NPORT-EX
<SEQUENCE>2
<FILENAME>NPORT_1350036222120130.htm
<TEXT>
Document 2 - file: NPORT_1350036222120130.htm

</DOCUMENT>
</SEC-DOCUMENT>