William George Jacks (born 21 November 1998) is an English cricketer.
He is a right-handed batsman and off spin bowler.
He made his List A debut on 18 May 2018 for Surrey against Somerset in the 2018 Royal London One-Day Cup.
In his third game, in the same competition, he scored a match-winning 121 against Gloucestershire.
Prior to his List A debut, he was in the England squad for the 2018 Under-19 Cricket World Cup, where he played all six games, including the last as captain.He made his first-class debut on 20 June 2018, for Surrey in the 2018 County Championship.
He made his Twenty20 debut for Surrey in the 2018 t20 Blast on 5 July 2018.
In a pre-season T10 match against Lancashire, Jacks scored a century in 25 balls, believed to be the fastest hundred in a match between two professional teams.