| Henko Marais | |
| Fullname: | Hendrik Jacobus Marais |
| Birth Date: | 18 June 1993 |
| Birth Place: | Lichtenburg, South Africa |
| School: | Hoër Volkskool Potchefstroom |
| University: | North-West University |
| Position: | Centre |
| Currentclub: | Enisei-STM |
| Youthyears1: | 2011–2012 |
| Years1: | 2015 |
| Apps1: | 1 |
| Points1: | 0 |
| Years2: | 2016–2017 |
| Apps2: | 18 |
| Points2: | 35 |
| Years3: | 2018–2019 |
| Apps3: | 23 |
| Points3: | 15 |
| Years4: | 2019-present |
| Clubs4: | Enisei-STM |
| Apps4: | 2 |
| Points4: | 0 |
| Clubupdate: | 28 December 2019 |
Hendrik Jacobus Marais (born 18 June 1993) is a South African rugby union player for the Russian club Enisei-STM in the European Rugby Challenge Cup. His regular position is centre.