Peter Knowles (born 30 September 1945 in Fitzwilliam, near Wakefield, Yorkshire) is an English former football player. 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 one of Jehovah's Witnesses. He is the brother of fellow professional footballer Cyril Knowles.