Brissonneau et Lotz was a French locomotive engineering company that specialized in the production of railway locomotives and wagons. The company was also a supplier of rolling stock to the Paris Metro, constructing in 1951 the first metro trains in the world to be equipped with rubber tyres.
The company was also a contractor for Opel, making the body for the Opel GT sports car. Lower volume production of other car bodies continued until the factory closed in 1996 following an industrial dispute.