"A Man and a Woman" (French title "Un homme et une femme") is a song with music by Francis Lai and French lyrics by Pierre Barouh. It was written for, and used as the theme of, Claude Lelouch's 1966 French film of the same name, starring Anouk Aimée and Jean-Louis Trintignant. The original recording, by Nicole Croisille and Pierre Barouh, was released in 1966 as a single on the Disc AZ label and runs 2:40. The song is known for its nonsense refrain, and its melody is said to have been influenced by Brazilian music. Lai's score received a Golden Globe nomination, and the song was nominated for a Golden Globe for Best Original Song. The film won the 1966 Cannes Grand Prix and an Academy Award for Best Foreign Language Film.
Francis Lai's 1966 soundtrack album includes the vocal version. Other notable versions include those by Andy Williams (1966), Herbie Mann with Tamiko Jones (1967, English-language), Harry James (1981), Nicole Croisille with Francis Lai (1984) and Ella Fitzgerald (1971). Instrumental versions were recorded by Chet Baker, Paul Mauriat and Percy Faith.