Johannes Cornelis (Joon) van Rooy (9 July 1890 — 19 August 1954)[1] was Rector of the Potchefstroom University for Christian Higher Education and Chairman of the Afrikaner Broederbond.
Van Rooy was born in Steynsburg in the North Eastern Cape.
His parents were Henri Charles van Rooy and Hester Hendriena Coetsee.
[3] He was the registrar of The Potchefstroom University for Christian Higher Education from 1927 to 1937.
[4] While at the university he was also chairman of the Federasie vir Afrikaanse Kultuurvereniginge for 10 years, from 1940-1950.