Johan Christiaan Pietersen (born 18 May 1984) is a South African former rugby union player who also played as the fly-half for the San Diego Legion of Major League Rugby (MLR).
He started his career at , playing for them in the domestic Currie Cup and Vodacom Cup competitions, as well as representing the in Super Rugby. In 2010, he joined Bayonne in France, but on 4 Nov 2011, he rejoined on a 2-year deal.
After a second spell in France with Biarritz, he returned to South Africa to join Bloemfontein-based side the in 2014. After just six months, he moved to Durban to join the .
He joined Japanese side Kamaishi Seawaves prior to the 2016âÂÂ2017 Top East League season.