Clive Best (4 August 1931 – 17 April 2013) was a Welsh rugby union, and professional rugby league footballer who played in the 1950s. He played representative level rugby union (RU) for , and at club level for Ebbw Vale RFC, as a full-back, and then to usurp the ban on rugby league players, he subsequently played rugby union under the guise of his older brother, Desmond Best, for Romford and Gidea Park Rugby Club, and later (over 40s) until 1981 when he was 50, and club level rugby league (RL) for Barrow and Bradford Northern (Heritage №) (loan), as a fullback, Wing, or centre, i.e. number 1, 2 or 5, or, 3 or 4.