Julius J. Epstein (August 22, 1909 – December 30, 2000) was an American screenwriter, who had a long career, best remembered for his screenplay – written with his twin brother, Philip, and  Howard E. Koch – of the film Casablanca (1942), for which the writers won an Academy Award. It was adapted from an unpublished play, Everybody Comes to Rick's, written by Murray Bennett and Joan Alison.