| Intro | Umpire |
| Was |
Athlete Cricketer Referee Cricket umpire |
| From | South Africa |
| Type | Sports |
| Gender | male |
| Birth | 5 January 1908, Mossel Bay, Mossel Bay Local Municipality, Garden Route District Municipality, South Africa |
| Death |
24 September 1993, Midrand, City of Johannesburg Metropolitan Municipality, Gauteng, South Africa (aged 85 years) |
| Star sign | Capricorn |
Wilhelm Marais (5 January 1908 – 24 September 1993) was a South African cricket umpire. He stood in five Test matches between 1956 and 1958.