| Nico Janse van Rensburg | |
| Fullname: | Nicolaas Jacobus Janse van Rensburg |
| Birth Date: | 1994 5, df=yes |
| Birth Place: | Pretoria, South Africa |
| Weight: | 1150NaN0 |
| Occupation: | Professional Rugby Player |
| School: | Afrikaanse Hoër Seunskool |
| University: | University of Pretoria |
| Position: | Lock |
| Youthyears1: | 2010–2015 |
| Years1: | 2014–2016 |
| Apps1: | 26 |
| Points1: | 0 |
| Years2: | 2014–2016 |
| Apps2: | 5 |
| Points2: | 0 |
| Years3: | 2016–present |
| Apps3: | 158 |
| Points3: | 90 |
| Repyears1: | 2012 |
| Repteam1: | South Africa Schools |
| Repcaps1: | 2 |
| Reppoints1: | 0 |
| Repyears2: | 2014 |
| Repteam2: | South Africa Under-20 |
| Repcaps2: | 5 |
| Reppoints2: | 0 |
| Clubupdate: | 8 March 2020 |
| Repyears3: | 2021 |
| Repteam3: | South Africa 'A' |
| Repcaps3: | 2 |
| Reppoints3: | 0 |
| Repyears4: | 2021 |
| Repteam4: | South Africa |
| Repcaps4: | 1 |
| Reppoints4: | 0 |
| Repupdate: | 26 August 2021 |
Nicolaas Jacobus Janse van Rensburg (born 6 May 1994) is a South African professional rugby union player, currently playing with in the French Top 14. His regular position is lock.
He represented the at the Under-16 Grant Khomo Week in 2010 and at the Under-18 Craven Week in 2012. As a result of the latter, he earned a call-up to the South African Schools side in 2012, where he started in two of their matches, against Wales and England
In 2013, he was included in the squad for the 2013 Under-19 Provincial Championship. He scored a try in his first match for the side against the and made a total of nine appearances, including the final of the competition, where the Blue Bulls beat the side to win the trophy.
He was selected in the South Africa Under-20 squad that participated at the 2014 IRB Junior World Championship. He started in all five their matches during the competition – after featuring in their pool stage victories over Scotland, New Zealand and Samoa, which saw South Africa qualify for the finals, he then started their semi-final against New Zealand and the final against England, but couldn't prevent them suffering a 21–20 defeat in the final.
Janse van Rensburg made his first class debut during the 2014 Vodacom Cup competition when he played off the bench in a match against in Pretoria. A second substitute appearance followed a week later against the in Nelspruit.
Janse van Rensburg moved to France in 2016 to join Top 14 side .[1]
In 2021, Janse van Rensburg was included in the South Africa 'A' team that played against the touring British and Irish Lions team. He came on as a replacement in their match in Cape Town, ending on the winning side as the South Africa 'A' team ran out 17–13 winners.[2]