Exhibit 21.1

SUBSIDIARIES OF MITCHAM INDUSTRIES, INC.

The following entities are directly or indirectly wholly-owned subsidiaries of Mitcham Industries, Inc.:

Name of Entity		State or Country of Organization
Mitcham Holdings Ltd	-	United Kingdom
Mitcham Canada Holdings Limited	-	United Kingdom
Mitcham Canada ULC		Alberta, Canada
Mitcham Europe Ltd	-	Hungary
Seismic Asia Pacific Pty Ltd.		Australia
Seamap International Holdings Pte. Ltd.		Singapore
Seamap (UK) Ltd.		United Kingdom
Seamap Pte. Ltd.		Singapore
Mitcham Marine Leasing Pte. Ltd.	-	Singapore
Mitcham Seismic Eurasia LLC		Russia
Mongo Ltd.	-	Cyprus