Barbier is a French surname. Notable people with the surname include:
Antoine Alexandre Barbier (1765–1825), French librarian Carl Barbier (born 1944), American jurist from Louisiana Charles Barbier (1767–1841), French inventor of alternative writing methods Charles Barbier de Meynard (1826–1908), French historian and orientalist Christophe Barbier (born 1967), French journalist Darren Barbier (born 1960), American college football coach Edmond Jean François Barbier (1689–1771), French jurisconsult and chronicler of life in 18th-century Paris
Gabriel Barbier-Mueller, Swiss businessman George Barbier (illustrator) (1882–1932), French illustrator George Barbier (actor) (1864–1945), American actor Henri Auguste Barbier (1805–1882), French dramatist and poet Hubert Barbier (born 1932), French Roman Catholic archbishop Jean-François Barbier (1754–1828), French general Joannès Barbier (1854–1909), French photographer in colonial Africa Joseph-Émile Barbier (1839–1889), French astronomer and mathematician Leonid Barbier (1937–2023), Soviet swimmer Louis Barbier (1593–1670), French bishop Philippe Barbier (1848–1922), French organic chemist Pierre Barbier (born 1997), French racing cyclist René Barbier (1891–1966), French fencer Rudy Barbier (born 1992), French racing cyclist Sal Barbier (born 1969), American skateboarder and footwear designer