<SEC-DOCUMENT>0000930413-18-001239-index.html : 20180410
<SEC-HEADER>0000930413-18-001239.hdr.sgml : 20180410
<ACCEPTANCE-DATETIME>20180410163055
ACCESSION NUMBER:		0000930413-18-001239
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20180524
FILED AS OF DATE:		20180410
DATE AS OF CHANGE:		20180410
EFFECTIVENESS DATE:		20180410

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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14443
		FILM NUMBER:		18748325

	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>DEF 14A
<SEQUENCE>1
<FILENAME>c89828_def14a.htm
<TEXT>
Document 1 - file: c89828_def14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>x5_c89828x1x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: x5_c89828x1x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>x5_c89828x1x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: x5_c89828x1x2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>x5_c89828x2x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: x5_c89828x2x2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>x5_c89828x22x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: x5_c89828x22x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>x5_c89828x27x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: x5_c89828x27x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>x5_c89828x56x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: x5_c89828x56x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>x4_c89828x3x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: x4_c89828x3x2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>x4_c89828x3x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: x4_c89828x3x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>x4_c89828x3x4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: x4_c89828x3x4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>x4_c89828x3x3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: x4_c89828x3x3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>x4_c89828x4x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: x4_c89828x4x1.jpg

</DOCUMENT>
</SEC-DOCUMENT>