Ruan Botha (born 10 January 1992) is a South African rugby union player. He plays as a lock for Kubota Spears in the Japanese Top League. He made his provincial debut on 31 March 2012 as the Golden Lions thrashed the Griffons 71–25 in Johannesburg. Botha started the match before being replaced in the 62nd minute by Hendrik Roodt. His first call-up to the Lions Super Rugby team came ahead of the side's Australian tour during the 2012 Super Rugby season. He made the starting fifteen for the first time in the match against the Chiefs in Pukekohe on 5 May 2012.