1981 Sligo Senior Football Championship
This is a round-up of the 1981 Sligo Senior Football Championship. St. Mary's completed the three-in-a-row in the repeat of the 1980 final, albeit with a smaller winning margin. Eastern Harps would be relegated from Senior football this year, after a poor league campaign, despite successive Championship final appearances. St. Mary's later won their second Connacht title, following on this Championship win.
Quarter finals
| Game | Date | Venue | Team A | Score | Team B | Score |
| Sligo SFC Quarter Final | 19 July | Ballymote | St. Mary's | 4-6 | Tubbercurry | 1-9 |
| Sligo SFC Quarter Final | 19 July | Markievicz Park | Tourlestrane | 1-7 | St. Patrick's | 1-3 |
| Sligo SFC Quarter Final | 19 July | Tubbercurry | Eastern Harps | beat | Shamrock Gaels | |
| Sligo SFC Quarter Final | 9 August | Ballymote | Curry | 1-6 | Coolera | 1-4 |
Semi-finals
| Game | Date | Venue | Team A | Score | Team B | Score |
| Sligo SFC Semi-Final | 2 August | Ballymote | Eastern Harps | 0-6 | Tourlestrane | 0-2 |
| Sligo SFC Semi-Final | 16 August | Ballymote | St. Mary's | 3-9 | Curry | 1-7 |