Allen Leffingwell Vincent (August 28, 1903 – November 30, 1979) was an American actor and Academy Award-nominated screenwriter. He started as a stage actor in New York City before moving to acting in motion pictures in the late 1920s, then transitioning to screenwriting in the early 1940s. His last credit is as a co-screenwriter for the 1952 film The Girl in White, which starred June Allyson and Arthur Kennedy.