The Marquess of Ormonde is a title in the peerage of the United Kingdom, created in 1816. It is associated with the historic county of Kilkenny in Ireland. The title has a rich history, with its origins tracing back to the Earldom of Ormonde, which was established in the 14th century. The current holder of the title is the 18th Marquess of Ormonde, who is part of the House of Butler, a prominent family in Irish history. The Marquessate is known for its connections to the English and Irish nobility, as well as its influence in the political and social landscape of both countries.