Athclare Castle

Athclare Castle (or archaically Aclare, Irish Caisleán Áth Cláir) is a Tudor tower house in the Dunleer area of County Louth in Ireland. Built in the 1550s, Athclare was built for the Barnewell family, and is typical of defensive architectural structures built in the Pale during the Tudor period in Ireland. Athclare has been extended and adapted in the centuries since its construction.

Rated as a site of national social historical importance in the National Inventory of Architectural Heritage, Athclare Castle is included in the Record of Protected Structures maintained by Louth County Council.