| Tiaan van der Merwe | |
| Fullname: | Tiaan van der Merwe |
| Birth Date: | 4 April 1998 |
| Birth Place: | Johannesburg, South Africa |
| School: | Helpmekaar Kollege |
| Position: | Hooker |
| Currentclub: | Lokomotiv Penza |
| Youthyears1: | 2014–2018 |
| Years1: | 2018 |
| Apps1: | 1 |
| Points1: | 0 |
| Years2: | 2019 |
| Apps2: | 3 |
| Points2: | 0 |
| Years3: | 2021–2022 |
| Apps3: | 1 |
| Points3: | 0 |
| Years4: | 2022 |
| Clubs4: | → |
| Apps4: | 8 |
| Points4: | 15 |
| Years5: | 2022– |
| Clubs5: | Lokomotiv Penza |
| Apps5: | 17 |
| Points5: | 75 |
| Repyears1: | 2018 |
| Repteam1: | South Africa Under-20 |
| Repcaps1: | 2 |
| Reppoints1: | 5 |
| Clubupdate: | 19 March 2024 |
| Repupdate: | 19 March 2024 |
Tiaan van der Merwe (born 4 April 1998) is a South African rugby union player for the Lokomotiv Penza in the Russian Rugby Championship. His regular position is hooker.[1] [2] [3]