| Official Name: | Aghlisnafin |
| Irish Name: | Achadh Lios na bhFian |
| Country: | Northern Ireland |
| Map Type: | Northern Ireland |
| Postcode Area: | BT |
| Dial Code: | 028 |
| Lieutenancy Northern Ireland: | County Down |
| Hide Services: | yes |
| Coordinates: | 54.2842°N -5.8969°W |
Aghlisnafin [1] is a rural townland in County Down, Northern Ireland. It has an area of 843.82 acres (3.42 km2). It is situated in the civil parish of Kilmegan and the historic barony of Lecale Upper, located 2.3 miles north east of Castlewellan. It lies within the Newry, Mourne and Down District Council. Aghlisnafin is also known as Aughlisnafin.[2]