The Marquess of Antrim is a title in the peerage of the United Kingdom, created in 1620. It is associated with the Antrim family, which has historical roots in Northern Ireland. The title has been held by various members of the family, often linked to the Irish nobility and land ownership in County Antrim. The current holder of the title is the 8th Marquess of Antrim, who succeeded in 2011. The marquessate is part of a larger lineage that includes other titles, such as the Earl of Antrim. The family has played a significant role in the history and culture of Ireland.