Luke Greenfield (born February 5, 1972) is an American film director. Greenfield was born in Manhasset, New York and was raised in Westport, Connecticut. He is best known for directing The Animal and The Girl Next Door. In July 2007, he appeared as a guest judge on the filmmaking reality show On the Lot. Greenfield directed the critically acclaimed television pilot, Aliens in America, and produced the film, Role Models.