Dafydd ap Gruffydd

Dafydd ap Gruffydd (atau Dafydd ap Gruffudd, angl. David, anak lelaki kepada Gruffydd; ) (11 Julai (?) 1238 – 3 Oktober 1283) merupakan Putera Wales bermula pada 11 Disember 1282 sehingga beliau dihukum mati pada 3 Oktober 1283 oleh Raja Edward I dari England. Beliau merupakan pemerintah bebas terakhir dari Wales.

Rujukan
Riley Willelmi Rishanger: quondam Monachi S. Albani, Chronica et Annales (Rolls Ser. 28) (1865): 91 (“David, fuga dilapsus, multis annis cum Rege Angliæ stetit; a quo, contra morem gentis suæ, miles factus, in ista guerra, ob probitatem et fidelitatem suam, plurimum erat Regi acceptus: unde et eidem castrum de Dimby [Denbigh] contulit in Wallia, cum terris ad valorem mille librarum annui redditus; insuper et uxorem dedit, filiam Comitis Derbeyæ, quæ nuper alio viro fuerat viduata.") [also see Hog F. Nicholai Triveti, de ordine frat. praedicatorum, Annales (English Hist. Soc.) (1865): 298].  
Luard Annales Monastici 3 (Rolls Ser. 36) (1866): 298 (Annals of Dunstable sub A.D. 1283: "Eodem anno David, germanus Leulini, principis Walliæ, captus est per gentem domini regis ...et filius suus legitimus captus est cum eo .... Uxor etiam ipsius David, quæ fuit filia comitis de Ferares, alias capta est et inprisonata.").  
Bellamy, J. G. The Law of Treason in England in the Later Middle Ages (Cambridge University Press, 1970)
Maud, Ralph, David the last prince of Wales. The Ten "lost" months of Welsh History.
Pryce, Huw (ed.) The Acts of Welsh Rulers 1120–1283 (Cardiff, 2005)
Smith, J. Beverley Llywelyn ap Gruffudd, Prince of Wales (Cardiff, 1998), p. 579

Nota

Raja yang dihukum mati
Kerabat Cunedda
Orang Welsh yang dihukum mati
Sejarah Gwynedd