The Middleton (or Myddleton) Baronetcy, of Ruthyn in the County of Denbigh, was created in the Baronetage of England on 22 October 1622 for Sir Hugh Middleton, 1st Baronet, Member of Parliament for Denbigh Boroughs. The second, third and fourth Baronets also represented Denbigh in the House of Commons. The title became dormant on the death of the sixth Baronet in circa 1757.[1]