Dafydd ap Llewelyn, in the Welsh language, means "David, son of Llewelyn", and there have been several notable people known by this patronymic, including

  • Dafydd ap Llywelyn (1215–1246), Prince of Gwynedd and first Prince of Wales
  • Dafydd Gam (1380–1415), Welsh soldier and nobleman who died at the Battle of Agincourt

See also edit