Derek Noonan (1 February 1947 – 1 May 2009) was an English rugby union and professional rugby league footballer who played in the 1970s and 1980s. He played club level rugby union (RU) for St Helens RUFC, as a wing, i.e. number 11 or 14, and representative level rugby league (RL) for England and Lancashire, and at club level for Warrington (Heritage № 723), St. Helens and Fulham RLFC, as a centre, i.e. number 3 or 4.