Willem Mulder

Pieter Willem Adriaan Mulder (born 19 February 1998), known as Wiaan Mulder, is a South African first-class cricketer. He made his One Day International (ODI) debut for South Africa in October 2017 and his Test debut in March 2019. In domestic cricket, Mulder plays for Gauteng Lions. Mulder was a member of the South African team which won the 2025 ICC World Test Championship final, the second ICC title the country had won.