<SEC-DOCUMENT>0000749251-19-000002-index.html : 20190205
<SEC-HEADER>0000749251-19-000002.hdr.sgml : 20190205
<ACCEPTANCE-DATETIME>20190205060558
ACCESSION NUMBER:		0000749251-19-000002
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20190205
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Regulation FD Disclosure
FILED AS OF DATE:		20190205
DATE AS OF CHANGE:		20190205

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GARTNER INC
		CENTRAL INDEX KEY:			0000749251
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT SERVICES [8741]
		IRS NUMBER:				043099750
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14443
		FILM NUMBER:		19566119

	BUSINESS ADDRESS:	
		STREET 1:		56 TOP GALLANT RD
		STREET 2:		P O BOX 10212
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06904-2212
		BUSINESS PHONE:		2039640096

	MAIL ADDRESS:	
		STREET 1:		56 TOP GALLANT RD
		STREET 2:		P O BOX 10212
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06904-2212

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GARTNER GROUP INC
		DATE OF NAME CHANGE:	19930823
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>it-12312018x8xk.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: it-12312018x8xk.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>a12312018-ex991.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: a12312018-ex991.htm

</DOCUMENT>
</SEC-DOCUMENT>