Dafydd is a Welsh masculine given name, related to David, and more rarely a surname. People so named include: Given name Medieval era Ordered chronologically Dafydd ab Owain Gwynedd (c. 1145-1203), Prince of Gwynedd Dafydd ap Gruffydd (1238–1283), Prince of Wales Dafydd Goch, said to be the illegitimate son of Dafydd ap Gruffydd Dafydd ap Gwilym (c. 1315/1320–c. 1350/1370), Welsh poet Dafydd ap Llywelyn (1215–1246), Prince of Gwynedd and first Prince of Wales Dafydd ap Dafydd ap Llywelyn (born between 1240 and 1246-?), illegitimate son of Dafydd ap Llywelyn Dafydd Bach ap Madog Wladaidd (fl. 1340-1390), Welsh poet Dafydd Benfras (fl. 1230-1260), Welsh court poet Dafydd Ddu o Hiraddug (died 1371), Welsh poet, grammarian and cleric Dafydd Gam (1380-1415), Welsh soldier and nobleman who died at the Battle of Agincourt Dafydd ab Ieuan or David Holbache (died 1422/3), Welsh politician Dafydd Gorlech (c. 1410-c. 1490), Welsh poet Dafydd Llwyd ap Llywelyn ap Gruffudd (Dafydd Llwyd o Fathafarn) (fl. c.1400–c.1490), Welsh poet Dafydd Nanmor (fl. 1450–1490), Welsh poet Dafydd ab Edmwnd (fl. c. 1450–1497), Welsh poet Modern era Dafydd Trystan Davies (born 1974), Welsh academic and politician Dafydd Elis-Thomas (born 1946), Welsh politician Dafydd Hellard (born 1985), Welsh rugby league footballer and coach Dafydd Hewitt (born 1985), Welsh retired rugby union player Dafydd Howells (born 1995), Wales rugby union player Dafydd ab Hugh (born 1960), American science fiction author born David Friedman Dafydd Ieuan (born 1969), Welsh musician and producer Dafydd Ifans (born 1949), Welsh novelist and translator Dafydd James (born 1975), Wales retired rugby union player David Richards (Dafydd Ionawr) (1751-1827), Welsh poet Dafydd Iwan (born 1943), Welsh folk singer and politician Dafydd Jones (disambiguation) David Edward Lewis (1866–1941), Welsh businessman and philanthropist Dafydd Llywelyn (1939–2013), Welsh composer, pianist, conductor and teacher Dafydd Elystan Morgan, Baron Elystan-Morgan (1932–2021), Welsh politician Dafydd Rogers (born 1969), West End and Broadway theatre producer Dafydd Rowlands (1931–2001), Welsh Congregational minister, lecturer, writer and poet Dafydd Stephens (1942-2012), Welsh audiological physician and professor Dafydd Wigley (born 1943), Welsh politician Dafydd Williams (born 1954), Canadian physician and retired astronaut Surname Catrin Dafydd, Welsh writer, winner of the Crown at the 2018 National Eisteddfod Einir Dafydd, Welsh singer who won the third series of the television talent show Wawffactor and the 2007 Cân i Gymru competition Fflur Dafydd (born 1978), Welsh novelist, singer-songwriter and musician Myrddin ap Dafydd (born 1956), Welsh editor and prifardd (Chief Bard) See