Death on the Nile is a 1978 British mystery film based on Agatha Christie's 1937 novel of the same name, directed by John Guillermin and adapted by Anthony Shaffer. The film features the Belgian detective Hercule Poirot, played by Peter Ustinov for the first time, plus an all-star supporting cast that includes Maggie Smith, Angela Lansbury, Bette Davis, Mia Farrow, Jane Birkin, David Niven, George Kennedy, and Jack Warden. The film is a standalone sequel to the 1974 film Murder on the Orient Express.

A mystery film is a film that revolves around the solution of a problem or a crime. It focuses on the efforts of the detective, private investigator or amateur sleuth to solve the mysterious circumstances of an issue by means of clues, investigation, and clever deduction. Mystery films include, but are not limited to, films in the genre of detective fiction.