The Marquess of Winchester is a title in the British peerage, created in 1551. It is associated with the historic city of Winchester in Hampshire, England. The title has been held by various noble families, primarily the Parker family, and is part of the Peerage of England. The current holder of the title is the 13th Marquess of Winchester, who succeeded in 2018. The Marquessate is known for its rich history and connection to the English nobility, often involving significant estates and responsibilities in the House of Lords.