William Thomas Root (born 5 August 1992) is an English cricketer who plays for Glamorgan. Primarily a left-handed batsman, he also bowls right-arm off break. He is the younger brother of Yorkshire and England test captain Joe Root. He once appeared as a substitute fielder for the England cricket team.
He made his List A debut for Nottinghamshire in the 2017 Royal London One-Day Cup on 27 April 2017.
At the end of the 2018 season Root left Nottinghamshire to join Glamorgan on a two-year contract.