D'Oyly

D'Oyly or Doiley is an English-language surname. It originates from the Norman French name d'Ouilly, from the place-name Ouilly in Calvados, Lower Normandy, France.

List of persons with the surname

 * Nigel D'Oyly, Lord of Oxford Castle and Wallingford Castle
 * Robert D'Oyly (Osney), founder of Osney Abbey
 * Robert D'Oyly, founder of Oxford Castle and High Sheriff of Berkshire
 * Sir John D'Oyly, 6th Baronet of Shottisham was MP for Ipswich 1790–1796