Rynhardt Elstadt (born 20 December 1989) is a South African rugby union player for the South Africa national team and French Top 14 side Toulouse. He plays flank forward and lock. On 19 March 2011 he helped the Stormers defeat the Blue Bulls at Loftus Versfeld stadium in Pretoria, by outplaying legendary hardman Bakkies Botha. In October 2014 he was part of the Western Province team who won the Currie Cup by beating the Lions 19-16. In June 2019 Elstadt started for Stade Toulousain in the Top 14 final, winning the French Championship. He won his first cap for South Africa in 2019 and played a part in Springboks winning the 2019 Rugby Championship.