A Man and a Woman (French: Un homme et une femme) is a 1966 French romantic drama film directed by Claude Lelouch and starring Anouk Aimée and Jean-Louis Trintignant. Written by Pierre Uytterhoeven and Lelouch, 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 and was the sixth highest-grossing film of the year. In the United States, the film grossed $14 million. 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, was released in 1986, followed by The Best Years of a Life, which was released in 2019.