| Johan Retief | |
| Fullname: | Johannes Adriaan Retief |
| Birth Date: | 10 October 1995 |
| Birth Place: | Windhoek, Namibia |
| School: | Windhoek Gymnasium |
| Position: | Lock / Flank |
| Years1: | 2018–2021 |
| Apps1: | 19 |
| Points1: | 5 |
| Years2: | 2022– |
| Apps2: | 13 |
| Points2: | 0 |
| Repyears1: | 2014–2015 |
| Repteam1: | Namibia U20 |
| Repcaps1: | 8 |
| Reppoints1: | 0 |
| Repyears2: | 2017–present |
| Repcaps2: | 13 |
| Reppoints2: | 0 |
| Clubupdate: | 10 July 2022 |
| Repupdate: | 10 July 2022 |
Johannes Adriaan Retief (born 10 October 1995) is a Namibian rugby union player for the n national team and for the in the Currie Cup and the Rugby Challenge. His regular position is lock or flank.
Retief was born in Windhoek. He made his test debut for in 2017 against and represented the in the South African domestic Currie Cup and Rugby Challenge since 2018.