Gustave Stoskopf was a French painter, playwright, poet, draughtsman and publisher from Alsace. He graduated from the Académie Julian and the École nationale supérieure des Beaux-Arts. He served as the director of the Théâtre alsacien de Strasbourg. He authored plays in the Alsatian dialect. He was made Chevalier de la Légion d'Honneur in 1931.

The Musée Gustave-Stoskopf in Brumath in the Bas-Rhin department of France is dedicated to Stoskopf's work.

Stoskopf was the father of the prolific French architect Charles-Gustave Stoskopf.