Guillaume Cammas (1688–1777) was a French painter and architect.
Life Cammas was born in Aignes, Gascony, France. He studied under the painter Antoine Rivalz, and designed the façade of the Capitole de Toulouse, built between 1750 and 1759. He was one of the founders of Académie royale de peinture de Toulouse, where he taught. His son François Cammas designed the transept of the église Saint-Pierre des Chartreux de Toulouse.
References MESURET, Robert,Les expositions de l'Académie Royale de Toulouse de 1751 à 1791, Espie, Paris, 1972.