Dewi Iorwerth Ellis Bebb (7 August 1938 – 14 March 1996) was a Welsh rugby union player who won thirty four caps for Wales as a wing.Dewi Bebb was the son of the Welsh historian Ambrose Bebb. Educated at Friars School, Bangor, he later studied at Trinity College, Carmarthen, and Cardiff Teacher Training College. He made his debut for Swansea in a game against Llanelli in 1958.