Baron Kilkeel is a title in the Peerage of the United Kingdom. It was created on 19 May 2018 by Queen Elizabeth II as a subsidiary title for her grandson Prince Harry, Duke of Sussex, upon the occasion of his marriage to Meghan Markle. It is named after the small fishing port of Kilkeel, County Down, with a population of 6,887, in the District of Newry, Mourne and Down in Northern Ireland. On the same day, he was also created Duke of Sussex and Earl of Dumbarton. Traditionally, male members of the royal family are granted at least one title on their wedding day by the monarch.