Gregg Clark (born 11 January 1971 in Johannesburg) is a field hockey player from South Africa, who was a member of the national squad that finished tenth at the 2004 Summer Olympics in Athens. He was also present at the Atlanta Games in 1996. The midfielder played for Durban, and a provincial team called KwaZulu Natal Raiders.He is also the most capped South African national hockey player with 250 caps and 42 goals.