General Pieter Grobbelaar SSA DSO (16 September 1908 - 22 June 1988) was a South African military commander. He joined the South African Army as a part-time Citizen Force soldier in 1929 and became a full-time Permanent Force member in 1933. During World War II he commanded 7th Reconnaisance Battalion as a Lieutenant Colonel, and was second in command of 12th SA motorised infantry brigade in Italy. After World War II he served as OC Free State Command, OC Northern Transvaal Command and the SA Military College