Dafydd Iwan (born 24 August 1943), is a Welsh folk singer and politician. He was the president of Plaid Cymru (2003-2010).
Dafydd Iwan Jones was born in Brynaman in Carmarthenshire, Wales, and is the elder brother of politician Alun Ffred Jones. His paternal Grandfather - Fred Jones - was one of the founding members of Plaid Cymru. He spent most of his youth in Bala in Gwynedd before attending the University of Wales, Cardiff where he studied architecture. He rose to fame as a singer-songwriter, writing and playing folk music in the Welsh language.