The Unknown Singer (French: Le chanteur inconnu) is a 1947 French musical drama film directed by André Cayatte and starring Tino Rossi, Lilia Vetti and Maria Mauban.

Filming took place at the Pathé studios in Paris and on location at the Opéra de Monte-Carlo in Monaco.

The film's sets were designed by the art directors Léon Barsacq and Robert-Jules Garnier.

In a village on the coast of Portugal a fisherman with a superb natural singing voice is discovered by a French visitor and persuaded to try a career in Paris.

He enjoys growing success but one night before he is due to perform at the opera in Monaco he is attacked.