The Stranger is a 1946 American thriller film noir directed and (although uncredited) co-written by Orson Welles, starring himself along with Edward G. Robinson and Loretta Young. Welles's third completed feature film as director and his first film noir, it centers on a war crimes investigator tracking a high-ranking Nazi fugitive to a Connecticut town. It is the first Hollywood film to present documentary footage of the Holocaust.

The film was nominated for the Golden Lion (then-called the ‘Grand International Prize’) at the 8th Venice International Film Festival. Screenwriter Victor Trivas received an Oscar nomination for Best Story. The film entered the public domain when its copyright was not renewed.