1990 Sligo Senior Football Championship
This is a round-up of the 1990 Sligo Senior Football Championship. Shamrock Gaels claimed their first ever senior title in this year, in their first final appearance, defeating fellow outsiders Curry in the process. This year's final was the first which Tubbercurry did not contest since 1982.
First round
| Game | Date | Venue | Team A | Score | Team B | Score |
| Sligo SFC First Round | 8 July | Keash | Shamrock Gaels | 0-10 | Tourlestrane | 0-7 |
| Sligo SFC First Round | 8 July | Keash | Geevagh | 0-6 | St. Patrick's | 0-6 |
| Sligo SFC First Round | 15 July | Tubbercurry | Easkey/St. Farnan’s | 2-9 | St. Nathy’s | 0-12 |
| Sligo SFC First Round | 15 July | Tubbercurry | Coolera/Strandhill | 3-8 | Grange/Cliffoney/Maugherow | 1-9 |
| Sligo SFC First Round | 15 July | Easkey | Eastern Harps | 0-12 | Enniscrone/Castleconnor | 1-5 |
| Sligo SFC First Round | 15 July | Easkey | St. Mary's | 1-15 | Innisfree Gaels | 2-3 |
| Sligo SFC First Round Replay | 15 July | Keash | Geevagh | 0-9 | St. Patrick's | 1-6 |
| Sligo SFC First Round Second Replay | 21 July | Tubbercurry | Geevagh | 1-6 | St. Patrick's | 0-7 |
Quarter finals
| Game | Date | Venue | Team A | Score | Team B | Score |
| Sligo SFC Quarter Final | 29 July | Tubbercurry | Shamrock Gaels | 2-10 | Eastern Harps | 2-8 |
| Sligo SFC Quarter Final | 29 July | Enniscrone | Tubbercurry | 2-10 | Coolera/Strandhill | 1-6 |
| Sligo SFC Quarter Final | 29 July | Enniscrone | St. Mary’s | 0-14 | Geevagh | 2-6 |
| Sligo SFC Quarter Final | 5 August | Tubbercurry | Curry | 0-9 | Easkey/St. Farnan’s | 0-8 |
Semi-finals
| Game | Date | Venue | Team A | Score | Team B | Score |
| Sligo SFC Semi-Final | 26 August | Keash | Shamrock Gaels | 2-11 | Tubbercurry | 2-6 |
| Sligo SFC Semi-Final | 26 August | Keash | Curry | 0-9 | St. Mary's | 1-4 |