The title "Baron of Winchester" is a hereditary peerage in the United Kingdom, associated with the city of Winchester in Hampshire. It was first created in the 12th century and has been held by various noble families over the centuries. The title is part of the British aristocracy and is often linked to significant historical events and figures. Barons of Winchester have played important roles in English history, particularly during the medieval period. The title is one of several baronies in the country, and holders of the title may have had responsibilities related to land management and local governance in their regions.