Jonathan Barry Janse van Rensburg (born 27 February 1989 in Pietermaritzburg, South Africa) is a South African rugby union player for Slava Moscow in the Russian Rugby Premier League.
Janse van Rensburg played rugby for Pretoria-based university side UP Tuks between 2011 and 2014.
[3] He made his first senior start in their next match against the Border Bulldogs in Hartswater[4] and also scored one try for Griquas during the season, in a 27–24 victory over a Sharks XV in Round Six of the competition.
[5] He helped Griquas finish second on the log to qualify for the quarter-finals, where they lost 14–28 to eventual champions the Pumas.
[6] He made four appearances off the bench for Griquas in the 2015 Currie Cup qualification tournament, contributing two tries – one in a 48–17 win over the Boland Cavaliers[7] and the other in a 57–33 win over the Falcons[8] – to help Griquas finish top of the log[9] to earn a place in the 2015 Currie Cup Premier Division competition.