A.-M. Julien, real name Aman-Julien Maistre, (24 July 1903 – 15 January 2001) was a French actor, singer and theatre manager.
Born in Toulon (Var), Julien joined the troupe of the Copiaus founded by Jacques Copeau in the 1920s and which became the Compagnie des Quinze (1930-1932) in 1929 when it was installed at the Théâtre du Vieux-Colombier in Paris.
From 1947 to 1966, he directed the Théâtre Sarah-Bernhardt, where he founded the Festival d'Art dramatique de Paris in 1954 (renamed "Théâtre des Nations" in 1957), thanks to which he made the Parisian public discover, among others Bertolt Brecht's Berliner Ensemble and Giorgio Strehler's Piccolo Teatro di Milano.
From 1959 to 1962, he was also director of the Réunion des théâtres lyriques nationaux [fr] (RTLN), which included the Opéra Garnier and the Opéra-Comique.
In this capacity, he chaired the jury of the International singing competition of Toulouse on 2 occasions.