| Official Name: | Ballynafoy |
| Irish Name: | Baile na Faiche |
| Static Image: | The townland of Ballynafoy - geograph.org.uk - 1060027.jpg |
| Static Image Caption: | Ballynafoy in 2008 |
| Country: | Northern Ireland |
Ballynafoy (Annaclone) is a townland of 901 acres in County Down, Northern Ireland.[1] It is situated in the civil parish of Annaclone and the historic barony of Iveagh Upper, Upper Half.[2]
Ballynafoy Hill (612 ft) is the highest point in the parish. Near the summit is a standing stone and there is a rath nearby on the south-eastern slope of the hill and another lower down.[1]
There is a townland of the same name in the civil parish of Knockbreda in the historic barony of Castlereagh Upper.[2]