The Notorious Landlady is a 1962 American comedy mystery film directed by Richard Quine from a screenplay by Larry Gelbart and Blake Edwards, based on the 1956 short story "The Notorious Tenant" by Margery Sharp. It stars Kim Novak, Jack Lemmon, and Fred Astaire, with Lionel Jeffries and Estelle Winwood. The film follows an American diplomat in London who rents a room from and falls in love with a young woman suspected of murder.