<SEC-DOCUMENT>0001047469-17-002574-index.html : 20170413
<SEC-HEADER>0001047469-17-002574.hdr.sgml : 20170413
<ACCEPTANCE-DATETIME>20170413080647
ACCESSION NUMBER:		0001047469-17-002574
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		7
CONFORMED PERIOD OF REPORT:	20170517
FILED AS OF DATE:		20170413
DATE AS OF CHANGE:		20170413
EFFECTIVENESS DATE:		20170413

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:		17759377

	BUSINESS ADDRESS:	
		STREET 1:		2105 CITYWEST BLVD
		STREET 2:		SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			770422855
		BUSINESS PHONE:		281.933.3339

	MAIL ADDRESS:	
		STREET 1:		2105 CITYWEST BLVD
		STREET 2:		SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			770422855

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INPUT OUTPUT INC
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
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<SEQUENCE>1
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Document 1 - file: a2231499zdef14a.htm

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<DESCRIPTION>G872534.JPG
<TEXT>
Document 3 - file: g872534.jpg

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<DESCRIPTION>G315445.JPG
<TEXT>
Document 4 - file: g315445.jpg

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<TEXT>
Document 5 - file: g330796.jpg

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Document 6 - file: g22172bii001.gif

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<SEQUENCE>7
<FILENAME>g22172bii002.gif
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<TEXT>
Document 7 - file: g22172bii002.gif

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</SEC-DOCUMENT>