Voltaire is the pen name of French Enlightenment writer, historian, and philosopher François-Marie Arouet.

Voltaire may also refer to:

Places Voltaire, North Dakota, a city in the United States Voltaire (crater), an impact crater on the Martian moon Deimos 5676 Voltaire, an asteroid Cape Voltaire, a cape in the Kimberley region of Western Australia

Ships French battleship Voltaire, a Danton-class pre-dreadnought battleship Voltaire, one of the names of the French ship Viala (1795), a ship of the line

Other uses Voltaire (given name) Boulevard Voltaire, a boulevard in Paris Voltaire station, a Paris Metro station Voltaire (film), a 1933 biographical film starring George Arliss as the French writer and philosopher Voltaire (show jumping horse), an influential sire of show jumpers and dressage horses Le Voltaire (newspaper), a French daily newspaper established in 1878 Voltaire (racehorse), a Thoroughbred racehorse Voltaire, a computer network equipment manufacturer acquired by Mellanox Technologies in 2010 Voltaire Network, an international non-profit organization Aurelio Voltaire, Cuban-American musician Cirqus Voltaire, a pinball machine released by Williams Electronics Games in 1997

See also Voltaire Foundation, at the University of Oxford, U.K. Voltaire Human Rights Awards, given by Liberty Victoria, Australia Voltaire Prize for Tolerance, International Understanding and Respect for Differences, given by the University of Potsdam, Germany