Timothy Duncan Groenewald (born 10 January 1984) is an English-South African former professional cricketer. He played as a right-arm medium-fast bowler for Warwickshire, Derbyshire, Somerset and Kent County Cricket Clubs before retiring during the 2021 season. He was born in Pietermaritzburg, South Africa but holds a British passport through his mother and, as a result, played as a domestic player in county cricket.