Peter Knowles is an English former professional footballer who played as a forward. He spent his career at Wolverhampton Wanderers, where he became a popular player, scoring around 101 goals in all competitions. He voluntarily ended his football career in 1970 after he became a Jehovah's Witness. He is the son of rugby league player Cyril Knowles, and the younger brother of fellow professional footballer Cyril Knowles.