Pierre Barthès (born 13 September 1941) is a French retired professional tour tennis player.
Born in Béziers, Barthès was one of the Handsome Eight and reached a career high singles ATP ranking in 1974 of World No. 54. Before the creation of the ATP ranking, he was one of the best twenty players in 1971. He was also a U.S. Open doubles champion in 1970, partnering Nikola Pilić.