John Spencer, English snooker player and sportscaster (d. 2006)
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. This is regarded as an unofficial maximum break as the event used non-templated tables. He was born in Radcliffe, Greater Manchester.