Cecil John Rhoes, PC (July 5, 1853 – March 26, 1902) was a British-born South African businessman, mining magnate, and politician. He was the founder of the diamond company De Beers, which today markets 60% of the world's rough diamonds and at one time marketed 90%. He was an ardent believer in colonialism and was the founder of the state of Rhodesia, which was named after him. Rhodesia, later Northern and Southern Rhodesia, eventually became Zambia and Zimbabwe respectively. He is also especially known today for the scholarship that bears his name.