Frederik Johannes "Frik" van Deventer (born 10 November 1944) is a retired South African politician who served in the National Assembly from 1994 to 2004. He represented the National Party (NP) and New National Party (NNP) until March 2003, when he crossed the floor to the Democratic Alliance (DA). He had been an organiser for the NP since the apartheid era and was a former deputy leader of the NNP in the Western Cape.
