<SEC-DOCUMENT>0000866609-16-000065-index.html : 20160225
<SEC-HEADER>0000866609-16-000065.hdr.sgml : 20160225
<ACCEPTANCE-DATETIME>20160225160807
ACCESSION NUMBER:		0000866609-16-000065
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20160225
DATE AS OF CHANGE:		20160225
EFFECTIVENESS DATE:		20160225

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:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-209707
		FILM NUMBER:		161455972

	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>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>s-82016ar2013ltip02222015n.htm
<DESCRIPTION>S-8 2013 LTIP SHARES
<TEXT>
Document 1 - file: s-82016ar2013ltip02222015n.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>s-8exhibit51february262016.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: s-8exhibit51february262016.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>s-8exhibit231mbgtconsent.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 3 - file: s-8exhibit231mbgtconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>4
<FILENAME>s-8exhibit232eyconsent.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 4 - file: s-8exhibit232eyconsent.htm

</DOCUMENT>
</SEC-DOCUMENT>