Bismarck Wilhelm du Plessis is a South African former professional rugby union player, who played for the Bulls in the United Rugby Championship and for the Blue Bulls in the Currie Cup. He played for the Free State Cheetahs in 2003, before moving to the Sharks in 2005 where he spent the bulk of his career, and then to Montpellier in the French Top 14. He is widely acknowledged to be one of the best hookers of his time, both in club and country performances.

The Sharks is a South African professional rugby union team based in Durban in KwaZulu-Natal. They compete internationally in the United Rugby Championship and EPCR Challenge Cup, having competed in the Super Rugby competition until 2020. They are centred on the Sharks union, also based in Durban and drawing players from all of KwaZulu-Natal and the Eastern Cape. The team plays its home matches at the Hollywoodbets Kings Park Stadium in Durban.