Harry Betts (15 September 1922 – 13 July 2012) was a jazz composer and trombonist.
Born in New York and raised in Fresno, California, he was active as a jazz trombonist and played with Stan Kenton's orchestra in the 1950s, among others. His trombone can be heard on the 1959 Verve album by Ella Fitzgerald, Get Happy!
He has written and orchestrated soundtracks for several films, including The Fantastic Plastic Machine and Nice Dreams. Music from his 1972 soundtrack to Black Mama, White Mama was used in the 2003 soundtrack for Kill Bill, Volume 1.
Aside from his work in scoring, he is known for his 1962 album, The Jazz Soul of Doctor Kildare. He did numerous arrangements for singer Jack Jones.