Delbert Martin Mann Jr. was an American television and film director. He won the Academy Award for Best Director for the film Marty (1955), adapted from a 1953 teleplay of the same name which he had also directed. From 1967 to 1971, he was president of the Directors Guild of America. In 2002, he received the DGA's honorary life member award. Mann was credited to have "helped bring TV techniques to the film world."

Marty is a 1955 American romantic drama film directed by Delbert Mann in his directorial debut. The screenplay was written by Paddy Chayefsky, expanding upon his 1953 teleplay of the same name, which was broadcast on The Philco-Goodyear Television Playhouse and starred Rod Steiger in the title role.