Briton Ferry is a town and community in the county borough of Neath Port Talbot, Wales. The Welsh name may indicate that the church, llan, is protected from the wind, awel. Alternatively, Sawel may be a derivative of Saul, St Paul's earlier name. He once landed at Briton Ferry. An alternative Welsh name unused today is Rhyd y Brython, a direct translation of Briton Ferry. The Normans referred to the River crossing as La Brittonne and Leland in 1540 as Britanne Fery.

The Rhondda and Swansea Bay Railway was a Welsh railway company formed to connect the upper end of the Rhondda Fawr with Swansea, with the chief objective of transporting coal and other minerals to Swansea docks. It was incorporated in 1882, but at first the connection to Swansea from Briton Ferry was refused.