56 Rue Pigalle is a 1949 French crime drama film directed by Willy Rozier and starring Jacques Dumesnil, Marie Déa and Aimé Clariond.

Jean Vigneron, a famous yachtsman, is in love with Inès the wife of his best friend.

They are blackmailed due to incriminating letters being stolen by a valet living in the Rue Pigalle.

When he is found murdered suspicion inevitably points at Vigneron.

He flees to the French Congo, until he is absolved by a surprise witness.