Joseph Harnell (August 2, 1924 – July 14, 2005) was an American composer, musician, and music arranger.His father was a vaudeville performer who also played in jazz and klezmer ensembles. Harnell began playing piano at age six and was performing in his father's ensembles by age 14. He attended the University of Miami on a music scholarship in the early 1940s, and in 1943 joined the United States Army Air Forces, playing with Glenn Miller's Army Air Forces Band. He studied with Nadia Boulanger when stationed in Paris and then under William Walton at Trinity College of Music in London. After his discharge in 1946, he studied at Tanglewood under Aaron Copland and Leonard Bernstein.