One Crazy Summer is a 1986 comedy movie starring John Cusack, Demi Moore, Bobcat Goldthwait, Curtis Armstrong, and Joel Murray. The movie was written and directed by Savage Steve Holland. The original music score was composed by Cory Lerios. The film's tagline is: "They're out of school, out on Nantucket, and out of their minds. With this crowd, anything can happen!"

The MPAA rated this film as PG, as a result, parental guidance is suggested.