Cullaville or Culloville (from Irish: Baile Mhic Cullach, meaning "MacCullach's townland") is a small village and townland near Crossmaglen in County Armagh, Northern Ireland. It is the southernmost settlement in the county and one of the southernmost in Northern Ireland, straddling the Irish border. In the 2001 Census it had a population of 400 people. The village is on a busy crossroads on the main Dundalk to Castleblaney road (the A37 in Northern Ireland and N53 in the Republic); three of the roads lead across the border and the fourth leads to Crossmaglen.