Warner Lewis LeRoy (March 5, 1935 – February 22, 2001), was a New York City businessman. LeRoy was the son of film producer-director Mervyn LeRoy and Mervyn's second wife, Doris Warner, the grandson of Harry Warner, one of the founders of Warner Bros., first cousin once removed of pioneer film producer Jesse L. Lasky, and a major contributor to the development of the film industry.