CATPRODUCT is a CAD file format used by CATIA V5 software. CATPRODUCT files a chiefly used for storing 3D model data used in industrial design and simulation.

CATPRODUCT files save data in binary format. The specification of this format was released to public by the developer which allowed other tools, for example Adobe Acrobat, to implement support for CATPRODUCT files. CATIA V5 is available for Windows by purchasing a software license.