Peter de Maulay or Peter de Mauley (died 1241) was a nobleman and administrator who was one of King John of England's "evil counsellors". First appearing in the historical record in 1202, Maulay was in England by 1204 and serving as an official of John. During the rebellions of the end of John's reign, Maulay supported the king and was given custody of the king's younger son as well as important prisoners. Maulay continued to serve the new king, Henry III, after 1216 but ran into difficulties with the young king's regents and was accused of treason in 1221. Maulay was cleared of the charges, but retired to his lands in late 1221. In 1223 Maulay's lands at Upavon were confiscated by the king but were returned within a few months. Upavon was again confiscated in 1229 and given to another nob