<SEC-DOCUMENT>0001193125-21-317081-index.html : 20211102
<SEC-HEADER>0001193125-21-317081.hdr.sgml : 20211102
<ACCEPTANCE-DATETIME>20211102170557
ACCESSION NUMBER:		0001193125-21-317081
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20211102
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20211102
DATE AS OF CHANGE:		20211102

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK MUNIYIELD QUALITY FUND III, INC.
		CENTRAL INDEX KEY:			0000883412
		IRS NUMBER:				223165131
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-06540
		FILM NUMBER:		211372354

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		800-441-7762

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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK MUNIYIELD QUALITY FUND III, INC
		DATE OF NAME CHANGE:	20101109

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK MUNIYIELD INSURED FUND, INC
		DATE OF NAME CHANGE:	20070612

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MUNIYIELD INSURED FUND INC
		DATE OF NAME CHANGE:	19920717
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d196728d8k.htm
<DESCRIPTION>BLACKROCK MUNIYIELD QUALITY FUND III
<TEXT>
Document 1 - file: d196728d8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(3)(1)
<SEQUENCE>2
<FILENAME>d196728dex9931.htm
<DESCRIPTION>AMENDED AND RESTATED BYLAWS OF BLACKROCK MUNIYIELD QUALITY FUND III, INC.
<TEXT>
Document 2 - file: d196728dex9931.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(99)(1)
<SEQUENCE>3
<FILENAME>d196728dex99991.htm
<DESCRIPTION>INITIAL CLASSES OF DIRECTORS
<TEXT>
Document 3 - file: d196728dex99991.htm

</DOCUMENT>
</SEC-DOCUMENT>