1980 Sligo Senior Football Championship
This is a round-up of the 1980 Sligo Senior Football Championship. St. Mary's retained the title after defeating Eastern Harps in the most one-sided final in the competition's history.
Quarter finals
| Game | Date | Venue | Team A | Score | Team B | Score |
| Sligo SFC Quarter Final | 29 June | Ballymote | St. Mary’s | 3-8 | Shamrock Gaels | 2-7 |
| Sligo SFC Quarter Final | 29 June | Markievicz Park | St. Patrick’s | 0-13 | Tubbercurry | 2-3 |
| Sligo SFC Quarter Final | 6 July | Tubbercurry | Eastern Harps | 3-11 | Enniscrone | 1-11 |
| Sligo SFC Quarter Final | 6 July | Ballymote | Coolera | 1-10 | Tourlestrane | 0-9 |
Semi-finals
| Game | Date | Venue | Team A | Score | Team B | Score |
| Sligo SFC Semi-Final | 17 August | Ballymote | St. Mary’s | 2-19 | St. Patrick's | 1-8 |
| Sligo SFC Semi-Final | 17 August | Ballymote | Eastern Harps | 0-11 | Coolera | 0-9 |