| Ruben de Villiers | |
| Fullname: | Ruben Christiaan de Villiers |
| Birth Date: | 22 March 1997 |
| Birth Place: | Pretoria, South Africa |
| School: | Paarl Boys' High School |
| University: | University of Groningen, The Netherlands |
| Position: | Lock |
| Youthyears1: | 2013–2018 |
| Years1: | 2017–2018 |
| Apps1: | 6 |
| Points1: | 5 |
| Repyears1: | 2015 |
| Repteam1: | South Africa Schools |
| Repcaps1: | 3 |
| Reppoints1: | 5 |
| Repyears2: | 2016 |
| Repteam2: | South Africa Under-20 |
| Repcaps2: | 5 |
| Reppoints2: | 0 |
| Clubupdate: | 26 August 2018 |
| Repupdate: | 26 August 2018 |
Ruben Christiaan de Villiers (born 22 March 1997) is a South African rugby union player who last played for in the Rugby Challenge. His regular position is lock.