Clarence Munyai (born 20 February 1998) is a South African sprinter. He is the current South African record holder in the 200 metres, with a time of 19.69, set on 16 March 2018 at the South African national championships. He is ranked 10th in the world 200 metres and the 11th in the world for the 300 metres. He competed in the men's 200 metres at the 2016 Summer Olympics. He finished 3rd in his heat with a time of 20.66 seconds and did not qualify for the semifinals.