Abercynon, is a village and community in the Cynon Valley in unitary authority of Rhondda Cynon Taf, Wales. As a community it is composed of the village of Abercynon itself, Carnetown, Ynysboeth and Tyntetown with a population of 6428 recorded in the 2001 Census.
Abercynon is approximately sixteen miles north of Cardiff and approximately forty miles from Swansea. The rivers Taff and Cynon converge at Watersmeet near Martin's Terrace. Abercynon used to have many churches, chapels and pubs. There are now only five public houses left - The Thorn Hotel, The Royal Oak, The Celtic Carvery, Brownies Bar and the Carne Park Hotel. The only churches still left are St. Donat's Church in Wales, its daughter church, St. Gwynno's, St. Thomas' Roman Catholic Church and the Methodist church in Martin's Lane.