Janse van Rensburg is a South African surname. Notable people sharing this surname include:Benhard Janse van Rensburg, South African rugby union player Brent Janse van Rensburg, South African rugby union coach Hector Janse van Rensburg, British painter Jacques Janse van Rensburg, South African cyclist JC Janse van Rensburg, South African rugby union footballer Jennifer Janse van Rensburg, German ice dancer Johannes Frederik Janse van Rensburg (1898–1966), South African lawyer Jono Janse van Rensburg, South African rugby union player Jurinus Janse van Rensburg, South African military commander Lang Hans Janse van Rensburg (1779–1836), South African leader Libbie Janse van Rensburg, South African rugby union and sevens player Nico Janse van Rensburg, South African rugby union player Reinardt Janse van Rensburg, South African road bicycle racer Rohan Janse van Rensburg, South African rugby union player Rhyno Janse van Rensburg, South African cricketer Siener Janse van Rensburg (1864–1926), South African prophet Willem Cornelis Janse van Rensburg (1818–1865), South African politician William G. L. Janse van Rensburg (1939–2008), mayor of Johannesburg