CATIA is the product design software developed and created by Dassault Systems. This is a multinational software company based in France. It is a globally and widely used software that delivers 3D design, Computer-aided engineering solutions, PLM, and Computer-aided manufacturing solutions. Computer-Aided Three-dimensional Interactive Application (CATIA) is a multi-platform software suite for computer-aided design (CAD), computer-aided manufacturing (CAM), computer-aided engineering (CAE), PLM and 3D.

CATIA delivers the unique ability not only to model any product, but to do so in the context of its real-life behavior: design in the age of experience. It is used to design, simulate, analyze, and manufacture products in a variety of industries including aerospace, automotive, consumer goods, and industrials machinery, just to name a few.