Willem Maré van der Merwe (born 20 July 1960) is a South African orthopaedic surgeon and former cricketer.
van der Merwe was a professional cricketer in South Africa from 1978 to 1987, playing predominantly for Orange Free State and Western Province.
van der Merwe was born in Rustenburg in July 1960 and studied medicine at the University of the Free State.
[1] He made his debut in first-class cricket for Orange Free State against Griqualand West at Blomfontein in the 1978–79 Castle Bowl.
[6] Retunring to South Africa, van der Merwe made no further appearances in senior domestic cricket.