The Funhouse is a 1981 American slasher film directed by Tobe Hooper, written by Larry Block and starring Elizabeth Berridge, Kevin Conway, William Finley, Cooper Huckabee, Miles Chapin, Largo Woodruff, Wayne Doba, and Sylvia Miles. The film's plot concerns four teenagers who become trapped in a dark ride at a local carnival in Iowa and are stalked by a mentally disabled murderous carnie.

Released by Universal Pictures, The Funhouse was director Hooper's first major studio production after The Texas Chain Saw Massacre (1974) and Eaten Alive (1976). Upon its release on March 13, 1981, The Funhouse was a commercial disappointment, but received mixed to positive reviews from critics.