General Stephen Melville SSA OBE (1904-1977) was a South African military commander. He joined the South African Air Force in 1924, and during World War II he commanded air force formations in East Africa, North Africa, Madagascar, and Italy.
He served as Air Chief of Staff from 1954 to 1956, as Inspector-General from 1956 to 1958, and as Commandant-General, i.e. head of the Union Defence Forces, from 1958 to 1960. The UDF was renamed "South African Defence Force" in 1958.