- Senior club appearances and points correct as of 17 October 2015. † Appearances (Points).
Johannes Casper Kirsten (born (1993-12-01)1 December 1993 in Johannesburg, South Africa) is a South African rugby union player, currently playing with the Blue Bulls. His regular position is lock or flanker.
Kirsten was never involved in provincials schools competitions like the annual Craven Week competition, but he joined the Blue Bulls Academy in Pretoria after finishing school. He made eight appearances for the Blue Bulls U19 side during the 2012 Under-19 Provincial Championship as they finished second on the log to qualify for the semi-finals. Two of Kirsten's appearances came in their 46–35 semi-final victory over the Sharks U19s and the final, which they lost 18–22 to Western Province U19.