Looking for Mr. Goodbar is a 1977 American crime drama film, based on Judith Rossner's best-selling 1975 novel of the same name, which was inspired by the 1973 murder of New York City schoolteacher Roseann Quinn. The film was written and directed by Richard Brooks, and stars Diane Keaton, Tuesday Weld, William Atherton, Richard Kiley, and Richard Gere.

Judith Rossner was an American novelist, best known for her acclaimed best sellers Looking for Mr. Goodbar (1975) and August (1983).