Mystery in Shanghai (French: Mystère àShanghai) is a 1950 French crime film directed by Roger Blanc and starring Paul Bernard, Hélène Perdrière and Maurice Teynac. It is based on the novel La Nuit du 12 au 13 by Stanislas-André Steeman.
The film's sets were designed by the art director Aimé Bazin.
In Shanghai, a Chinese criminal organisation plans to kill Herbert Aboody if he doesn't pay them $50,000.