| Official Name: | Ballygasey |
| Irish Name: | Baile ua gcathasaigh |
| Country: | Northern Ireland |
| Postcode Area: | BT |
| Postcode District: | BT61 |
| Dial Code: | 028 |
| Lieutenancy Northern Ireland: | Armagh |
| Hide Services: | yes |
Ballygasey [1] is a townland of 205 acres in County Armagh, Northern Ireland. It is situated in the civil parish of Loughgall and the historic barony of Oneilland West.[2]