Barbier is a surname. Notable people with the surname include:
Antoine Alexandre Barbier (1765–1825), French librarian
Carl Barbier, U.S. Federal Judge, Eastern District of Louisiana
Charles Barbier, French creator of night writing
Charles Barbier de Meynard, French historian and orientalist
Edmond Jean François Barbier (1689–1771), French jurisconsult
Darren Barbier, American college football coach
Gabriel Barbier-Mueller, Swiss CEO of Harwood International
George Barbier (1882–1932), French illustrator
George Barbier (actor) (1864–1945), American actor
Henri Auguste Barbier (1805–1882), French dramatist and poet
Jean-François Barbier (3 December 1754– 6 May 1828), French general during the French Revolutionary Wars and Napoleonic Wars
Joseph-Émile Barbier (1839–1889), French astronomer and mathematician
Leonid Barbier (born 1937), Soviet swimmer
Louis Barbier (1593–1670), French bishop
Philippe Barbier (1848–1922), French organic chemist
René Barbier (1891–1966), French fencer
