| Official Name: | Ballynafern |
| Irish Name: | Baile na Fearna |
| Country: | Northern Ireland |
| Postcode Area: | BT |
| Postcode District: | BT32 |
| Lieutenancy Northern Ireland: | County Down |
| Hide Services: | yes |
| Type: | Townland |
Ballynafern is a townland of 778 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]