<SEC-DOCUMENT>0000950157-17-001343-index.html : 20170928
<SEC-HEADER>0000950157-17-001343.hdr.sgml : 20170928
<ACCEPTANCE-DATETIME>20170928090002
ACCESSION NUMBER:		0000950157-17-001343
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20170928
ITEM INFORMATION:		Changes in Registrant's Certifying Accountant
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20170928
DATE AS OF CHANGE:		20170928

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OneBeacon Insurance Group, Ltd.
		CENTRAL INDEX KEY:			0001369817
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				980503315
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33128
		FILM NUMBER:		171105742

	BUSINESS ADDRESS:	
		STREET 1:		605 HIGHWAY 169 NORTH
		STREET 2:		SUITE 800
		CITY:			PLYMOUTH
		STATE:			MN
		ZIP:			55441
		BUSINESS PHONE:		9528520185

	MAIL ADDRESS:	
		STREET 1:		605 HIGHWAY 169 NORTH
		STREET 2:		SUITE 800
		CITY:			PLYMOUTH
		STATE:			MN
		ZIP:			55441

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OneBeacon Holdings (Bermuda) Ltd.
		DATE OF NAME CHANGE:	20060721
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>form8-k.htm
<DESCRIPTION>CURRENT REPORT
<TEXT>
Document 1 - file: form8-k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-16.1
<SEQUENCE>2
<FILENAME>ex16-1.htm
<DESCRIPTION>LETTER FROM PRICEWATERHOUSECOOPERS LLP
<TEXT>
Document 2 - file: ex16-1.htm

</DOCUMENT>
</SEC-DOCUMENT>