About Last Night is a 1986 American romantic comedy-drama film directed by Edward Zwick, and starring Rob Lowe and Demi Moore as Chicago yuppies Danny Martin and Debbie Sullivan, who enter a committed relationship for the first time. Along with featuring James Belushi as Danny's friend and colleague Bernie Litko, the film also marks the screen debuts of Elizabeth Perkins and Catherine Keener. The screenplay by Tim Kazurinsky and Denise DeClue is based on the 1974 David Mamet play Sexual Perversity in Chicago. The film was both critically and commercially successful, and was remade with a predominantly Black cast in 2014.

Edward M. Zwick is an American filmmaker. He has worked primarily in the comedy drama and epic historical film genres and has received nominations for two Academy Awards and two Golden Globe Awards.