Mignon du Preez (born 13 June 1989) is a South African cricketer, who was the women's team captain in all 3 forms of cricket Test, ODI and Twenty20 from 2007 to 2018. A right-handed batsman and occasional wicket-keeper, du Preez made her debut for the South Africa national women's cricket team in January 2007, aged seventeen. Besides being the South African player with most matches as captain in both ODI and Twenty20, she is the highest run-scorer for South Africa women in Twenty20 and also the highest in ODI. On 21 February 2016, she became the first South African women to score 1,000 career runs in T20I during a match against England. On 21 June 2016, she decided to step down as South Africa women's captain, after having led the team for almost 5 years (since 2011) in one Test, 46 ODIs and 50 T20Is. On 25 June 2017, in South Africa's match against Pakistan in the 2017 Women's Cricket World Cup, she became the first woman for South Africa to play in 100 ODI matches. In March 2018, she was one of fourteen players to be awarded a national contract by Cricket South Africa ahead of the 2018–19 season. In October 2018, she was named in South Africa's squad for the 2018 ICC Women's World Twenty20 tournament in the West Indies. In November 2018, she was named in the Melbourne Stars' squad for the 2018–19 Women's Big Bash League season. In September 2019, she was named in the Devnarain XI squad for the inaugural edition of the Women's T20 Super League in South Africa. In January 2020, she was named in South Africa's squad for the 2020 ICC Women's T20 World Cup in Australia. In their opening match of the tournament, against England, du Preez played in her 100th WT20I match.