Doubt is a 2008 American drama film written and directed by John Patrick Shanley, based on his Pulitzer Prize–winning and Tony Award–winning 2004 stage play Doubt: A Parable. Produced by Scott Rudin, the film takes place in a Catholic elementary school named for St. Nicholas. The film stars Meryl Streep, Philip Seymour Hoffman, Amy Adams, and Viola Davis.

Doubt premiered October 30, 2008, at the AFI Fest before being distributed by Miramax Films in limited release on December 12 and in wide release on December 25. Grossing $50.9 million against a budget of $20 million, the film received positive reviews. Streep, Hoffman, Adams, and Davis were highly praised for their performances, and all were nominated for Oscars at the 81st Academy Awards. Shanley was also nominated for Best Adapted Screenplay.