The Lone Wolf Keeps a Date (1941) is the sixth Lone Wolf film produced by Columbia Pictures. It features Warren William, in his fourth appearance as the title character Lone Wolf, and Edward Gargan, Lester Matthews and Don Beddoe as the film's antagonists. The film was directed by Sidney Salkow and written by Salkow and Earl Felton.

The film centers on former jewel thief Michael Lanyard, also known by his alias Lone Wolf, who aims to recover his stamp collection and rescues a damsel in distress. Filming took place in August and September 1940. The Lone Wolf Keeps a Date was released in the United States in January 1941.