Blaenavon is a town and community in Torfaen county borough, south eastern Wales. It lies at the source of the Afon Lwyd north of Pontypool, and is within the boundaries of the historic county of Monmouthshire and the preserved county of Gwent. The town lies high on a hillside and has a population of 6,055.
Parts of the town and surrounding country form the Blaenavon Industrial Landscape, inscribed as a World Heritage Site by UNESCO in 2000.