William Leon "Billy" Goldenberg (born February 10, 1936, Brooklyn, New York City) is an American composer most known for his work on television and film.

Among his most noteworthy were his collaborations with Steven Spielberg on his telefilms (in particular, Duel) and his seven-episode contribution toward the NBC Mystery Movie detective series Columbo. He composed the theme music for several popular television programs, including Kojak, Rhoda and Our House. He also composed the scores to countless films and made-for-TV movies; including Onassis: The Richest Man in the World, 18 Again!, Guilty Conscience, Helter Skelter, The Legend of Lizzie Borden, (Sidney Sheldon's) Rage of Angels and hundreds of others.