Pontllanfraith A.F.C. were a Welsh football club from the large village and community located in the Sirhowy Valley in Caerphilly county borough, Wales, within the historic boundaries of Monmouthshire and situated adjacent to the town of Blackwood. They played in the Welsh Football League and were associated with South Wales Switchgear, a major employer in the area who specialised in electrical equipment. In 1992 they merged with to form Fields Park Pontllanfraith.