Cornelius Petrus Mulder was a South African politician and cabinet minister.

Balthazar Johannes "B. J." Vorster was a South African apartheid politician who served as the prime minister of South Africa from 1966 to 1978 and the fourth state president of South Africa from 1978 to 1979. Known as B. J. Vorster during much of his career, he came to prefer the anglicized name John in the 1970s.