| Lourens van der Merwe | |
| Birth Place: | South Africa |
| Refereeyears1: | 2011–present |
| Refereeyears2: | 2011–present |
| Refereecomps1: | Super Rugby |
| Refereecomps2: | Currie Cup |
Lourens van der Merwe is a rugby referee on the TMO Panel of the South African Rugby Union.