General Hendrik Balzazar Klopper (also Balthazar), (25 September 1903 – 31 December 1977) was a South African military commander.
He commanded the 3rd Infantry Brigade and 2nd Infantry Division during the Western Desert Campaign of the Second World War, was Army Chief of Staff from 1950 to 1953, and Commandant General of the Union Defence Force from 1956 until his retirement in 1958.