Luc Benoist born Luc Didier Marie Benoist-Lucy (1893–1980) was a French essayist and art historian. He published many books about art history. His interests were centered on spirituality and symbolism.

He became assistant curator of the Palace of Versailles, curator of the Musées de France and of the Fine Arts Museum of Nantes (French: Musée des beaux-arts de Nantes) (1947–1959).

• The romantic Sculpture, Paris, La Renaissance du Livre, 1928
• Versailles and the monarchy, Paris, Editions of Cluny, 1947
• "Michel-Ange", Lausanne, La Guilde du Livre, 1943
• "Georges de La Tour et les caravagesques au Musée des Beaux-Arts de Nantes", La Revue française, 1961
• "L'ésotérisme", Paris, PUF, Collection "Que sais-je", 1963