Joseph Walton Losey III (; January 14, 1909 - June 22, 1984) was an American film and theatre director, producer, and screenwriter. Born in Wisconsin, he studied in Germany with Bertolt Brecht and then returned to the United States. Blacklisted by Hollywood in the 1950s, he moved to Europe where he made the remainder of his films, mostly in the United Kingdom.

Among the most critically and commercially successful