John Spencer (snooker player)
 John Spencer (18 September 1935 – 11 July 2006) was an English professional snooker player who won the World Professional title at his first attempt was the first winner at the Crucible Theatre was the inaugural winner of the Masters and Irish Masters and was the first player to make a 147 break in competition. Spencer was born in Radcliffe (now part of Greater Manchester formerly districted in Lancashire).