Sunset is a 1988 American crime mystery western film written and directed by Blake Edwards and starring Bruce Willis as Western actor Tom Mix, who teams up with lawman Wyatt Earp, portrayed for the second time in a theatrical film by James Garner. Based on an unpublished novel by Rod Amateau, the plot has Earp and Mix solve a murder in Hollywood in 1929.

Although Sunset had some comedic elements, it veered much more to the period mystery genre of old Hollywood. Reviewers, such as Roger Ebert, struggled trying to define the film. Ebert noted: "The strangest thing about Sunset is that it's not a comedy, not exactly. It has some laughs, but it's a sort of low-key, elegiac mood film ..."

While Willis received top billing in Sunset, Garner has more screen time in the film. This was the second film in which Garner played Wyatt Earp, the first being John Sturges's Hour of the Gun, released in 1967. This was director Edwards' second collaboration with Willis, whom he directed in Blind Date (1987).