The Unfaithful Eckehart (German: Der ungetreue Eckehart) is a 1940 German comedy film directed by Hubert Marischka and starring Hans Moser, Hedwig Bleibtreu and Lucie Englisch. It is based on Hans Stürm's , which had previously been made into a 1928 film and a 1931 film. The film's sets were designed by the art directors Gabriel Pellon and Heinrich Richter.