Head to Head
| Northern Ireland Premier | 2020/10/17 16:30 | Glenavon v Portadown | W | 2-4 |
| Northern Ireland Mid Ulster Cup | 2017/11/27 19:46 | Portadown v Glenavon | L | 1-2 |
| Club Friendly List | 2017/07/06 18:15 | Glenavon v Portadown | L | 3-1 |
| Northern Ireland Cup | 2017/03/04 15:00 | Portadown v Glenavon | L | 0-5 |
| Northern Ireland Premier | 2017/01/21 15:00 | Portadown v Glenavon | L | 1-2 |
| Northern Ireland Premier | 2016/10/01 14:00 | Glenavon v Portadown | L | 1-0 |
| Northern Ireland Premier | 2016/02/20 15:00 | Glenavon v Portadown | L | 4-1 |
| Northern Ireland Premier | 2015/12/26 15:00 | Glenavon v Portadown | L | 1-0 |
Home History
| Northern Ireland Premier | 2021/01/02 17:30 | Glentoran v Portadown | L | 2-1 |
| Northern Ireland Premier | 2020/12/12 15:00 | Crusaders v Portadown | L | 5-0 |
| Northern Ireland Premier | 2020/12/08 19:45 | Dungannon Swifts v Portadown | W | 0-3 |
| Northern Ireland Premier | 2020/12/05 15:00 | Portadown v Ballymena Utd | D | 0-0 |
| Northern Ireland Premier | 2020/11/28 15:00 | Cliftonville v Portadown | L | 5-0 |
| Northern Ireland Premier | 2020/11/10 19:45 | Carrick Rangers v Portadown | L | 4-1 |
| Northern Ireland Premier | 2020/11/07 15:00 | Portadown v Linfield | L | 1-2 |
| Northern Ireland Premier | 2020/10/31 15:00 | Warrenpoint Town v Portadown | D | 1-1 |
Away History
| Northern Ireland Premier | 2021/01/02 15:00 | Glenavon v Linfield | L | 1-2 |
| Northern Ireland Mid Ulster Cup | 2020/12/22 19:45 | Glenavon v Armagh City | W | 3-1 |
| Northern Ireland Premier | 2020/12/19 15:00 | Warrenpoint Town v Glenavon | W | 1-2 |
| Northern Ireland Premier | 2020/12/14 19:45 | Glenavon v Cliftonville | D | 1-1 |
| Northern Ireland Premier | 2020/12/05 15:00 | Larne FC v Glenavon | L | 2-1 |
| Northern Ireland Premier | 2020/11/28 15:00 | Glenavon v Crusaders | W | 3-1 |
| Northern Ireland Premier | 2020/11/21 15:00 | Linfield v Glenavon | L | 2-0 |
| Northern Ireland Premier | 2020/11/10 19:45 | Ballymena Utd v Glenavon | W | 0-2 |