Colin Fraser Steyn (1887–1959) was a lawyer and a politician of Southern Africa, Member of the House of Assembly, Senator, and Cabinet Minister in the government of Jan Smuts.He was born on 27 November 1887 in Bloemfontein in the Orange Free State, the son of Marthinus Theunis Steyn, who was the President of the Orange Free State from 1896 till 1902. He was named for his grandfather on his mother's side, Reverend Colin Fraser.