| Date | Home Team (Score) | (Score) Away Team | Attendance | |
| Sat 24th October 2020 | Glentoran (1) | (1) Glenavon | 475 | Old Records |
| Sat 7th November 2020 | Glentoran (0) | (0) Larne | 595 | Old Records |
| Sat 12th December 2020 | Glentoran (6) | (0) Carrick Rangers | 496 | Old Records |
| Tue 15th December 2020 | Glentoran (0) | (0) Warrenpoint Town | 475 | Old Records |
| Sat 29th May 2021 | Glentoran (2) | (0) Crusaders | 500 | Old Records |
| Recorded = 5 | Average = 508 | |||
| Click here to view historical average attendances for Glentoran. | ||||
| Click here to view attendances for all teams for season 20/21. | ||||