In Venice, One Night (French: À Venise, une nuit) is a 1937 French comedy film directed by Christian-Jaque and starring Albert Préjean, Elvire Popesco and Roger Karl.

The film's sets were designed by the art director Pierre Schild.

A wealthy man wishes to gain a divorce from his wife Nadia, so that he can marry an American woman.

He hired a private detective Robert to seduce his wife and gain enough compromising evidence to secure the divorce.

However Robert really falls in love with Nadia, and he turns the table on his employer by exposing him as a jewellery thief.