Gustav Kadelburg (January 26, 1851, Pest - September 11, 1925, Berlin) was a Hungarian-German Jewish actor, dramatist, writer.
He made his first appearance at Leipzig in 1869, and two years later played at the Wallnertheater in Berlin. He was very successful in comedy parts, but abandoned the stage to write comedies and farces.
His best-known plays (some written in conjunction with Oscar Blumenthal and Von Schönthan) are: