<SEC-DOCUMENT>0001145549-18-006954-index.html : 20181012
<SEC-HEADER>0001145549-18-006954.hdr.sgml : 20181012
<ACCEPTANCE-DATETIME>20181011190323
ACCESSION NUMBER:		0001145549-18-006954
CONFORMED SUBMISSION TYPE:	N-CEN
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20180731
FILED AS OF DATE:		20181012
EFFECTIVENESS DATE:		20181012

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			JOHN HANCOCK PREFERRED INCOME FUND III
		CENTRAL INDEX KEY:			0001215913
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0731

	FILING VALUES:
		FORM TYPE:		N-CEN
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-21287
		FILM NUMBER:		181119095

	BUSINESS ADDRESS:	
		STREET 1:		C/O JOHN HANCOCK FUNDS
		STREET 2:		601 CONGRESS STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		617-663-3000

	MAIL ADDRESS:	
		STREET 1:		C/O JOHN HANCOCK FUNDS
		STREET 2:		601 CONGRESS STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CEN
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>INTERNAL CONTROL RPT
<SEQUENCE>2
<FILENAME>internalcontrolreport_2.htm
<DESCRIPTION>AUDITOR INTERNAL CONTROL REPORT
<TEXT>
Document 2 - file: internalcontrolreport_2.htm

</DOCUMENT>
</SEC-DOCUMENT>