| Official Name: | Ballynagross |
| Irish Name: | Baile na gCros |
| Country: | Northern Ireland |
| Lieutenancy Northern Ireland: | County Down |
| Type: | Townland |
Ballynagross is a townland of 368 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]