Iron Gustav (German: Der eiserne Gustav) is a 1958 West German comedy film directed by George Hurdalek and starring Heinz Rühmann, Lucie Mannheim and Karin Baal. It is based on the real story of cab driver Gustav Hartmann who drove his droshky from Berlin to Paris. The story was later made into a television series of the same title in the 1970s.

It was shot at the Tempelhof Studios in West Berlin with location shooting in the city as well as Cologne and Paris. The film's sets were designed by the art directors Hans Berthel and Karl Schneider.