Charles de Tourtoulon (1836-1921) was a French historian, linguist, and jurist. He studied law and became interested in the history of Languedoc and the Occitan language. He authored several works on regional history and philology, including studies on Occitan dialectology and toponymy. He is known for his work on the feudal system and the history of law in the south of France, and for his contribution to the knowledge of Occitan culture.