Annaghmakeonan () is a rural townland in County Down, Northern Ireland. It has an area of 379.21 acres (1.54 km<sup>2</sup>). It is situated in the civil parish of Donaghcloney and the historic barony of Iveagh Lower, Upper Half, located 3 miles north of Banbridge. It lies within the Lisburn and Castlereagh City Council.