<SEC-DOCUMENT>0001193125-18-060908-index.html : 20180227
<SEC-HEADER>0001193125-18-060908.hdr.sgml : 20180227
<ACCEPTANCE-DATETIME>20180227162721
ACCESSION NUMBER:		0001193125-18-060908
CONFORMED SUBMISSION TYPE:	424B2
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20180227
DATE AS OF CHANGE:		20180227

FILER:

	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:		424B2
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-211114
		FILM NUMBER:		18645464

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B2
<SEQUENCE>1
<FILENAME>d523314d424b2.htm
<DESCRIPTION>424B2
<TEXT>
Document 1 - file: d523314d424b2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g523314g42d96.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g523314g42d96.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g523314g55c12.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g523314g55c12.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g523314g95g52.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g523314g95g52.jpg

</DOCUMENT>
</SEC-DOCUMENT>