Edwin Duerr (February 21, 1904 – August 13, 1985) was a theater and radio director. He was director of the Little Theater at University of California, Berkeley when he discovered Gregory Peck. He wrote the books The Length and Depth of Acting and Radio and Television Acting: Criticism, Theory and Practice. According to author Sean Egan in the James Kirkwood biography Ponies & Rainbows, Duerr co-wrote a play with Kirkwood called The Marriage Habit which failed to get staged.