Love Nest is a 1951 American comedy-drama film directed by Joseph Newman, and starring June Haver, William Lundigan, Frank Fay, Marilyn Monroe, and Jack Paar. It features an early supporting role for Monroe, and is one of the few films that future-Tonight Show host Paar made prior to his television career. Additionally, it is the last film appearance by both silent film-star Leatrice Joy and Fay, who was a popular stage comedian in the 1920s and had recently revived his career by starring in the long-running Broadway comedy Harvey.

Set in New York City just after World War II, the film's screenplay was adapted by I.A.L. Diamond from Scott Corbett's 1950 novel The Reluctant Landlord. The film gets its name from the song "Love Nest", written by Louis Hirsch (music) and Otto A. Harbach (lyrics). The song, which is sung by a chorus over the opening credits, was also used as a theme song for The Burns and Allen Show, on both radio and TV.