Williamson Ampang Sangma (18 October 1919 – 25 October 1990), a Garo leader, former Chief Minister of Meghalaya, twenty-first state of India on 21 January 1972. He was also the first ever Governor of Mizoram among the Garos in 1989. Williamson was a statesman, tribal leader, and a pioneer in leading the struggle for the creation of Meghalaya state.