Dillon du Preez (born 8 November 1981) is a South African cricketer. He currently plays for the Eagles (formerly Free State) and the Royal Challengers Bangalore. He is a right-arm fast bowler and bats right-handed. He was born at Port Elizabeth.

Dillon du Preez made his debut for Free State in the 2003–04 season, appearing in a first class match against the touring West Indies national cricket team, with his first wicket being Shivnarine Chanderpaul and finishing with figures of 3 for 75.^[1] His interest in cricket began after attending a cricketing academy managed by international cricketers Corrie van Zyl and Rudi Steyn.^[1] During the 2007–08 season, du Preez led the Eagles to victory with 55 wickets.^[1] In the 2008 English county season, du Preez played for Leicestershire.^[1] In 2009, du Preez signed for the Bangalore Royal Challengers of the Indian Premier League, making his debut against the Mumbai Indians on 3 May 2009, taking two back-to-back wickets in his first over, including that of Sachin Tendulkar. In the same match, du Preez took his third IPL wicket (Jean-Paul Duminy).

Apart from being a talented and accurate fast bowler, he has often shown himself to be a capable batsman, having scored two first class centuries as well as scoring an unbeaten century in a List A match against Yorkshire, while playing for Leicestershire .^[1][2] He was included in the Free State cricket team squad for the 2015 Africa T20 Cup.^[3] In August 2017, he was named in Benoni Zalmi's squad for the first season of the T20 Global League.^[4] However, in October 2017, Cricket South Africa initially postponed the tournament until November 2018, with it being cancelled soon after.^[5]