Denis O'Dell (2 May 1923 – 30 December 2021) was a British film producer, best known for his work on films featuring The Beatles, including A Hard Day's Night and the telefilm Magical Mystery Tour, he was the director of the Beatles newly founded Apple Corps and the Head of Apple Films. He retired in 1980.

The Beatles referenced his name in the lyrics of "You Know My Name (Look Up the Number)".