Ghost World is a 2001 black comedy film co-written and directed by Terry Zwigoff. Based on the 1990s comic book Ghost World by Daniel Clowes, the story focuses on the lives of teenage outsiders Enid (Thora Birch) and Rebecca (Scarlett Johansson), who face a rift in their friendship as Enid takes an interest in an older man named Seymour (Steve Buscemi), and becomes determined to help his romantic life.

Ghost World debuted at the Seattle International Film Festival in 2001. It had little box office impact but received critical acclaim. It was nominated for the Academy Award for Best Adapted Screenplay and has become a cult film.