John Noel Linnen, born 1952, is a talent agent who represents Karl Pilkington. He also represents Russell Brand, who credits him with saving his life after ensuring he goes to rehab for heroin addiction. During Karl and Russell's 6Music radio show on 28 December 2005, Brand tells an anecdote in which Noel played an elaborate practical joke on him.
John Noel has had considerable success in recent years through signing many Big Brother contestants, such as Shilpa Shetty and Jade Goody. He also represents Big Brother presenters Davina McCall and Dermot O'Leary.