<SEC-DOCUMENT>0001104659-21-066388-index.html : 20210514
<SEC-HEADER>0001104659-21-066388.hdr.sgml : 20210514
<ACCEPTANCE-DATETIME>20210514080012
ACCESSION NUMBER:		0001104659-21-066388
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		8
CONFORMED PERIOD OF REPORT:	20210623
FILED AS OF DATE:		20210514
DATE AS OF CHANGE:		20210514

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:		21921980

	BUSINESS ADDRESS:	
		STREET 1:		2105 CITYWEST BLVD
		STREET 2:		SUITE 100
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			770422855
		BUSINESS PHONE:		2819333339

	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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<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>tm219312-1_def14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: tm219312-1_def14a.htm

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<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>sg_matthewpowers-bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: sg_matthewpowers-bw.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tm219312d1-bc_ceobw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tm219312d1-bc_ceobw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>tm219312d1-fc_elementsbw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: tm219312d1-fc_elementsbw.jpg

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<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>tm219312d1-pc_01proxy4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: tm219312d1-pc_01proxy4c.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>tm219312d1-pc_02proxy4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: tm219312d1-pc_02proxy4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>tm219312d1-pc_03proxy4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: tm219312d1-pc_03proxy4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>tm219312d1-pc_04proxy4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: tm219312d1-pc_04proxy4c.jpg

</DOCUMENT>
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