Nicholas de Moels was a medieval Norman administrator in Somerset.
He was born about 1195. He married, as her second husband, Hawise de Newmarch, younger daughter & co-heiress of James de Newmarch feudal baron of North Cadbury, Somerset, in about 1224. In 1230 he was granted the royal demesne manors of Kingskerswell and Diptford in Devon.
De Moels served as High Sheriff of Hampshire (1228–1232), High Sheriff of Devon (1234), and High Sheriff of Yorkshire (1239–1242) ; and Constable of Winchester Castle, Pembroke Castle, Haverfordwest Castle, Cilgerran Castle, Tenby Castle, Rochester Castle (1247), Canterbury Castle (1247) and Corfe Castle. He was also governor of the Channel Islands.
In 1244 he won a victory over French forces at Navarre, returned to fight in the Welsh wars and was made governor of the castles of Caernarvon and Cardigan. In 1246 he was then made Constable of Dover Castle, High Sheriff of Kent in 1247 and Lord Warden of the Cinque Ports in 1258.
He died sometime after 1264 but sometime before 1272.
Kingsford, Charles Lethbridge (1894). "". In Lee, Sidney. Dictionary of National Biography. 38. London: Smith, Elder & Co.