<SEC-DOCUMENT>0001047469-16-011646-index.html : 20160328
<SEC-HEADER>0001047469-16-011646.hdr.sgml : 20160328
<ACCEPTANCE-DATETIME>20160328144357
ACCESSION NUMBER:		0001047469-16-011646
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20160502
FILED AS OF DATE:		20160328
DATE AS OF CHANGE:		20160328
EFFECTIVENESS DATE:		20160328

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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35789
		FILM NUMBER:		161531973

	BUSINESS ADDRESS:	
		STREET 1:		1649 W. FRANKFORD RD.
		CITY:			CARROLLTON
		STATE:			TX
		ZIP:			75007
		BUSINESS PHONE:		214-488-1365

	MAIL ADDRESS:	
		STREET 1:		1649 W. FRANKFORD RD.
		CITY:			CARROLLTON
		STATE:			TX
		ZIP:			75007
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>a2227776zdef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: a2227776zdef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g231019.jpg
<DESCRIPTION>G231019.JPG
<TEXT>
Document 2 - file: g231019.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g528596.jpg
<DESCRIPTION>G528596.JPG
<TEXT>
Document 3 - file: g528596.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g22762bei001.gif
<DESCRIPTION>G22762BEI001.GIF
<TEXT>
Document 4 - file: g22762bei001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g22762bei002.gif
<DESCRIPTION>G22762BEI002.GIF
<TEXT>
Document 5 - file: g22762bei002.gif

</DOCUMENT>
</SEC-DOCUMENT>