Johannes Hendrikus Viljoen

Johannes Hendrikus Viljoen (15 October 1893 – 5 December 1957) was a South African politician, member of parliament for the constituencies of Hoopstad (1933–1941) and Vryburg (1948–1957), Minister of Mines (1950–1953), Education, Arts and Sciences (1950–1957), Social Affairs (1953–1954), Forestry (1954–1956) and Health (1956–1957) in both Daniël François Malan's and Johannes Gerhardus Strijdom's cabinets.

Political career Viljoen was the son of JH (Jan) Viljoen (1869–1955), a veteran of the Second Boer War and of his wife, Lenie Maré.

Viljoen was successively a member of the National Party, of the United Party (1934–1941), of the Afrikaner Party (1941–1943) then again of the National Party.

After defeating Eben Dönges in the 1938 South African general election, J.H. Viljoen was a supporter of South Africa's neutrality at the outbreak of World War II and a staunch supporter of James Barry Munnik Hertzog.