Sir John de Lovetot (b. 1236 or before, d. 1294) was an administrator and later Justice of the Common Pleas between 1275 and 1289. He had already been knighted when he entered the service of Edward I. Prior to that he had performed administrative duties in Yorkshire, in Norfolk (as sub-sheriff and then as steward of Norwich Cathedral) and with the Earl of Oxford, Robert de Vere.