The Horizontal Lieutenant is a 1962 American romantic comedy war film, based on the 1961 novel The Bottletop Affair by Gordon Cotler who was a Japanese interpreter for US Army Intelligence during World War II. It is a military comedy about an unfortunate army intelligence lieutenant who finds himself isolated on a remote island army outpost during World War II. It stars Jim Hutton and Paula Prentiss and was directed by Richard Thorpe.

Dana James Hutton, known as Jim Hutton, was an American actor in film and television best remembered for his role as Ellery Queen in the 1970s TV series of the same name, and his screen partnership with Paula Prentiss in four films, starting with Where the Boys Are. He is the father of actor Timothy Hutton.