The Statute of Rhuddlan (, , approximately ), also known as the Statutes of Wales or as the Statute of Wales (Statutum Vallie or Statutum Valliae), provided the constitutional basis for the government of the Principality of North Wales from 1284 until 1536. The statute was enacted on 3 March 1284 and promulgated on 19 March at Rhuddlan Castle in North Wales, after careful consideration of the position by Edward I.