Clifford G. Williams (27 May 1939 – 2 February 2014) was a Welsh rugby union, and professional rugby league footballer who played in the 1960s and 1970s. He played representative level rugby union (RU) for Monmouthshire County RFC, at invitational level for Crawshays RFC, and at for club level [1], Cross Keys RFC (captain), and Newport RFC, as a scrum-half, i.e. number 9, and representative level rugby league (RL) for Wales, and at club level for Hunslet, Batley, and Swinton, as a scrum-half, i.e. number 7.