Under the Yum Yum Tree is a 1963 American sex comedy film directed by David Swift and starring Jack Lemmon, Carol Lynley, Dean Jones, and Edie Adams, with Imogene Coca, Paul Lynde, and Robert Lansing in supporting roles. The film received two Golden Globe Award nominations in 1964: Best Motion Picture – Musical or Comedy and Best Actor – Motion Picture Musical or Comedy for Lemmon.

Carol Lynley was an American actress known for her roles in the films Blue Denim (1959) and The Poseidon Adventure (1972).