William Haiton, better spelled Heton, English, bachelor of theology, was the English king's secretary of requests.

He went to the court of France in 141q as ambassador of Henry V to arrange the marriage of that king with Catherine, daughter of Charles VI.

He was part of the English Council in 1431, but he was deprived of his office of secretary on March 1, 1433.

He is mentioned in 1445 (Calendar of patent rolls . Henry VI, Vol. IV). William Heton held the same opinion of the Trial as did Gilles de Duremort, Abbot of Fécamp, his colleague in the King's Council.