Sunette Stella Viljoen-Louw (born 6 October 1983)[1] is a South African sportswoman who has represented her country in both cricket and athletics.

As a cricketer, she represented the South African national team between 2000 and 2002, including at the 2000 World Cup in New Zealand.

[6] She was 17 years and 10 days old at the time, becoming the youngest woman to play ODI cricket for South Africa (a record since broken by several others).

[7] Later in the year, Viljoen was selected in the South African squad for the 2000 Women's World Cup in New Zealand.

[18] Viljoen won a silver medal, coming in second to Israel's Marharyta Dorozhon, at the IAAF Diamond League Bislett Games in Oslo, Norway, on 11 June 2015.