Home History
| Northern Ireland Championship | 2015/04/25 14:00 | Loughgall v Donegal Celtic | W | 0-3 |
| Northern Ireland Championship | 2015/04/18 14:00 | Donegal Celtic v Carrick Rangers | L | 0-1 |
| Northern Ireland Championship | 2015/04/04 14:00 | Donegal Celtic v Ards FC | L | 1-2 |
| Northern Ireland Championship | 2015/03/28 15:00 | PSNI v Donegal Celtic | D | 0-0 |
| Northern Ireland Championship | 2015/03/21 15:00 | Donegal Celtic v Armagh City | L | 2-3 |
| Northern Ireland Championship | 2015/03/14 15:00 | Donegal Celtic v Dundela | D | 1-1 |
| Northern Ireland Championship | 2015/02/28 15:00 | Donegal Celtic v Knockbreda | W | 2-0 |
| Northern Ireland Championship | 2015/02/21 15:00 | Ballyclare Comrades v Donegal Celtic | D | 2-2 |
Away History
| Club Friendly List | 2015/07/23 17:45 | Dundela v Glentoran | W | 0-2 |
| Club Friendly List | 2015/07/21 18:15 | Lisburn Distillery v Glentoran | W | 0-1 |
| Club Friendly List | 2015/07/14 18:45 | Carrick Rangers v Glentoran | D | 0-0 |
| UEFA Europa League Qualifying | 2015/07/09 17:30 | MSK Zilina v Glentoran | L | 3-0 |
| UEFA Europa League Qualifying | 2015/07/02 19:00 | Glentoran v MSK Zilina | L | 1-4 |
| Club Friendly List | 2015/06/27 14:00 | Knockbreda v Glentoran | W | 0-1 |
| Club Friendly List | 2015/06/24 18:45 | Glentoran v T.N.S. | L | 1-3 |
| Northern Ireland Cup | 2015/05/02 13:30 | Glentoran v Portadown | W | 1-0 |