Suicide Club, known in Japan as Suicide Circle (自殺サークル Jisatsu Sākuru^?) is a 2002 Japanese independent horror film that gained a considerable amount of notoriety in film festivals around the world for its controversial subject matter and gory presentation, and has since developed a significant cult following. It won the Jury Prize for "Most Ground-Breaking Film" at the Fantasia Film Festival. The movie was written and directed by Sion Sono. It deals with a wave of seemingly unconnected suicides that strikes Japan and the efforts of the police to determine the reasons behind the strange behavior.