Humphrey Richard Adeane Lyttelton (23 May 1921 – 25 April 2008), also known as Humph, was an English jazz musician and broadcaster, and chairman of the BBC radio comedy programme I'm Sorry I Haven't a Clue. He was a cousin of the 10th Viscount Cobham and a great-nephew of the politician and sportsman Alfred Lyttelton, who was the first man to represent England at both football and cricket.