Birth is a 2004 American psychological drama film co-written and directed by Jonathan Glazer and starring Nicole Kidman, Lauren Bacall, Cameron Bright, Danny Huston, Arliss Howard, Peter Stormare, Ted Levine, and Anne Heche. The film follows Anna, who becomes convinced that her dead husband Sean is reincarnated as a ten-year-old boy.

Distributed by New Line Cinema, Birth premiered in competition at the 61st Venice International Film Festival, polarizing critics upon its release and grossing $23.9 million against a budget of $20 million. Kidman was nominated for a Golden Globe Award for Best Actress in a Motion Picture – Drama for her performance. The film has been re-evaluated in later years and is considered a masterpiece by several publications.