<SEC-DOCUMENT>0001047469-15-003469-index.html : 20150414
<SEC-HEADER>0001047469-15-003469.hdr.sgml : 20150414
<ACCEPTANCE-DATETIME>20150414060233
ACCESSION NUMBER:		0001047469-15-003469
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		7
CONFORMED PERIOD OF REPORT:	20150520
FILED AS OF DATE:		20150414
DATE AS OF CHANGE:		20150414
EFFECTIVENESS DATE:		20150414

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ION GEOPHYSICAL CORP
		CENTRAL INDEX KEY:			0000866609
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL AND GAS FIELD EXPLORATION SERVICES [1382]
		IRS NUMBER:				222286646
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12691
		FILM NUMBER:		15767935

	BUSINESS ADDRESS:	
		STREET 1:		2105 CITYWEST BLVD
		STREET 2:		SUITE 400
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			770422839
		BUSINESS PHONE:		281.933.3339

	MAIL ADDRESS:	
		STREET 1:		2105 CITYWEST BLVD
		STREET 2:		SUITE 400
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			770422839

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INPUT OUTPUT INC
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
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<TYPE>DEF 14A
<SEQUENCE>1
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<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: a2223770zdef14a.htm

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<DESCRIPTION>G586495.JPG
<TEXT>
Document 2 - file: g586495.jpg

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<SEQUENCE>3
<FILENAME>g262491.jpg
<DESCRIPTION>G262491.JPG
<TEXT>
Document 3 - file: g262491.jpg

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<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g285789.jpg
<DESCRIPTION>G285789.JPG
<TEXT>
Document 4 - file: g285789.jpg

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g95394.jpg
<DESCRIPTION>G95394.JPG
<TEXT>
Document 5 - file: g95394.jpg

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<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g16842cai001.gif
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<TEXT>
Document 6 - file: g16842cai001.gif

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g16842cai002.gif
<DESCRIPTION>G16842CAI002.GIF
<TEXT>
Document 7 - file: g16842cai002.gif

</DOCUMENT>
</SEC-DOCUMENT>