Bryngwyn is a village in Monmouthshire, Wales. It may also refer to:
Bryngwyn, Ceredigion, a small village in Ceredigion, Wales Bryngwyn, Powys, a small village in Powys, Wales Bryngwyn railway station, former railway terminus in Gwynedd, Wales Bryngwyn Hall, historic house in Powys, Wales Bryngwyn Manor, manor house in Much Dewchurch, Herefordshire Bryn Gwyn, the name in Welsh Mythology for the hill and ancient fort now called Tower Hill and The Tower of London. Castell Bryn Gwyn, a prehistoric site on Anglesey, featuring the Bryn Gwyn stones.