Jean-René Pierre Goetgheluck Le Rouge Tillard des Acres de Presfontaines, whose pseudonym was Jean Mitry (in French mitʁi/; 7 November 1904 – 18 January 1988), was a French film theorist, critic and filmmaker, a co-founder of France's first film society, and, in 1938, of the Cinémathèque Française.
Goetgheluck le Rouge Rillard des Acres de Presfontaines was born in Soissons and was the first lecturer of film aesthetics in France, Mitry was one of the first intellectuals responsible for taking film studies out of the era of the film club and into that of the university.
Mitry was one of few major film theorists who worked in film production himself. He edited Alexandre Astruc's short film Le Rideau Cramoisi (1953) and directed two films of his own, Pacific 231 (1949), set to Arthur Honegger's music, and Images pour Debussy (1952), set to the music of Claude Debussy.
He died in La Garenne-Colombes in 1988.