Teen Wolf is a 1985 American coming-of-age comedy film directed by Rod Daniel and written by Jeph Loeb and Matthew Weisman. Michael J. Fox stars as the title character, a high school student whose ordinary life is changed when he discovers that he is a werewolf. James Hampton, Scott Paulin, Susan Ursitti, Jerry Levine, Matt Adler, and Jay Tarses appear in supporting roles. Filming took place from November to December 1984.

Teen Wolf was released on August 23, 1985, by Atlantic Releasing Corporation, and received mixed reviews from film critics. It was a commercial success, grossing over $33 million domestically on a $4 million budget, with the worldwide gross being over $80 million. The film's success spawned a titular franchise, including an animated series adaptation in 1986, a sequel film in 1987, the supernatural live action drama series that aired on MTV from 2011 to 2017, and its continuation film in 2023.