Duimpie Theron

 Johannes Petrus "Duimpie" Theron  (born 7 May 1979) is a South African-born rugby union player who played for the Namibia national rugby union team and represented Namibia during the 1999 Rugby World Cup.

Playing career
Theron played eight test matches for. His debut was in 1998, as a nineteen-year-old, in the Rugby World Cup qualifier against in Casablanca. Theron played in three matches during the pool stages at the 1999 Rugby World Cup. Shortly after the World Cup, he also played in a test match against, after which his next and final test was only five years later in 2004, against.