A Man and a Woman (French: Un homme et une femme) is a 1966 French film written and directed by Claude Lelouch and starring Anouk Aimée and Jean-Louis Trintignant. Written by Lelouch and Pierre Uytterhoeven, the film concerns a young widow and widower who meet by chance at their children's boarding school and whose budding relationship is complicated by the memories of their deceased spouses. The film is known for its lush photography, which features frequent segues among full color, black-and-white, and sepia-toned shots, and for its music score by Francis Lai.

A Man and a Woman sold a total of 4,272,000 cinema tickets in France and was also the 6th highest-grossing film of the year. In the United States, the film earned $14,000,000. The film won several awards, including the Palme d'Or at the 1966 Cannes Film Festival, two Golden Globe Awards for Best Foreign Language Film and Best Actress - Drama (for Aimée), and two Academy Awards for Best Foreign Language Film and Best Original Screenplay. A sequel, A Man and a Woman: 20 Years Later (Un Homme et une Femme, 20 Ans Déjà) was released in 1986, followed by The Best Years of a Life, which was released in 2019.