August Gaul (German: [ˈɡaʊl]; October 22, 1869 – October 18, 1922) was a German sculptor and expressionism artist, born in Großauheim (now part of Hanau).
August Gaul was a founding member of the Berlin Secession. On close terms with art dealers like Bruno and Paul Cassirer, he became a leading figure in the Berlin art scene before World War I. Gaul died of cancer in Berlin in 1922.