The Duke of Winchester is a title in the English peerage, historically associated with the city of Winchester in Hampshire. The title was first created in 1551 for William Paulet, who served as Lord High Treasurer. The Duke of Winchester has been linked to various notable figures and has a rich history within the British aristocracy. The title has been held by several families over the years, with the most recent creation being in 1706. The Duke of Winchester is part of the broader system of nobility in the United Kingdom, which includes various ranks such as dukes, marquesses, earls, and barons.