Jannie du Plessis
 Dr. Jan Nathaniel Jannie du Plessis (born 16 November 1982 in Bethlehem Free State) is a South African rugby union player who plays as a prop for South Africa and the Sharks in Super Rugby. Previously he played for the Vodacom Cheetahs in Super 14 and the Free State Cheetahs in the domestic Currie Cup.