A Woman Under the Influence is a 1974 American drama film written and directed by John Cassavetes, and starring his wife Gena Rowlands and close friend Peter Falk. Rowlands plays a housewife whose unusual behavior leads to conflict with her blue-collar husband (Falk) and family.

The film, Cassavetes' seventh as director, premiered at the 1974 New York Film Festival, before going into wide theatrical release on November 18, 1974. It received two Academy Award nominations: for Best Director and Best Actress (for Rowlands). Rowlands won a Golden Globe Award and National Board of Review Award for her performance.

In 1990, the Library of Congress selected the film for preservation in the United States National Film Registry for being "culturally, historically or aesthetically significant".