The Adventures of Baron Munchausen is a 1988 fantasy adventure film co-written and directed by Terry Gilliam, starring John Neville, Eric Idle, Sarah Polley, Oliver Reed, Uma Thurman, Jonathan Pryce and Valentina Cortese. An international co-production of the United Kingdom, the United States and Germany, the film is based on the tall tales of the 18th-century German nobleman, Baron Munchausen, and his wartime exploits against the Ottoman Empire.

The film was a box office bomb, grossing only $8 million domestically and losing millions for Columbia Pictures. Despite this, it received positive reviews from critics, and was nominated for four Academy Awards: Best Art Direction, Best Costume Design, Best Makeup and Best Visual Effects.