All Lies (German: Lauter Lügen) is a 1938 German comedy film directed by Heinz Rühmann and starring Albert Matterstock, Hertha Feiler and Fita Benkhoff.

It marked the directorial debut of Rühmann, a popular comedy star of the era.

Location shooting took place in Potsdam, Innsbruck and the Tierpark Hagenbeck in Hamburg.

The film's sets were designed by the art director Willi Herrmann.

A wife waiting for her racing driver husband to return home after recovering from a serious crash is intrigued by the appearance of a mysterious woman who claims to be in a relationship with him.