<SEC-DOCUMENT>0000000000-18-015809-index.html : 20180620
<SEC-HEADER>0000000000-18-015809.hdr.sgml : 20180620
<ACCEPTANCE-DATETIME>20180522154453
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0000000000-18-015809
CONFORMED SUBMISSION TYPE:	UPLOAD
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180522

FILED FOR:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CyrusOne Inc.
		CENTRAL INDEX KEY:			0001553023
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		UPLOAD

	BUSINESS ADDRESS:	
		STREET 1:		2101 CEDAR SPRINGS ROAD
		STREET 2:		SUITE 900
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
		BUSINESS PHONE:		(972) 350-0060

	MAIL ADDRESS:	
		STREET 1:		2101 CEDAR SPRINGS ROAD
		STREET 2:		SUITE 900
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
PUBLIC REFERENCE ACCESSION NUMBER:		0001553023-18-000029 [HTML]
</SEC-HEADER>
<DOCUMENT>
<TYPE>LETTER
<SEQUENCE>1
<FILENAME>filename1.pdf
<TEXT>
Document 1 - file: filename1.pdf

</DOCUMENT>
</SEC-DOCUMENT>