Annahilt / Anahilt is a village and civil parish in north County Down, Northern Ireland. It is 7.5 miles south of Lisburn, and about 14 miles south-west of Belfast, on the main road between Ballynahinch and Hillsborough. In the 2021 census, the village had a population of 1,034. Annahilt has a distinctive drumlin setting, with a small wooded estate on a ridge to the west.