Ardarragh () is a rural townland in County Down, Northern Ireland. It has an area of 456.31 acres (1.847 km<sup>2</sup>). It is situated in the civil parish of Newry and the historic barony of Lordship of Newry, located 5.5 miles north-east of Newry. It lies within the Newry, Mourne and Down District Council.