9. Mamphela Ramphele
- Net Worth: R55 million
Mamphela Ramphele engages in a number of activities but she is best known as a medical doctor and politician. Besides politics and her medical profession, Ramphele bears active presence in the business sector and was previously one of the female activists who fought against the then principle of apartheid in South Africa. With the net worth of R55 million, Ramphele is undoubtedly one of the richest black women in South Africa.