| From |
South Africa |
| Gender | male |
| Birth | 19 February 1998, Gauteng, South Africa |
| Age: | 22 years |
| Star sign | Pisces |
Willem Mulder (born 19 February 1998) is a South African cricketer. He made his first-class debut for Highveld Lions in the 2016–17 Sunfoil Series on 5 October 2016. Prior to his debut, he was part of South Africa’s squad for the 2016 Under-19 Cricket World Cup. He made his Twenty20 (T20) debut for Highveld Lions in the 2016–17 CSA T20 Challenge on 12 November 2016.