1966 Sligo Senior Football Championship
This is a round-up of the 1966 Sligo Senior Football Championship. Easkey, one of the traditional strongholds of Sligo football, claimed their fifth title, after a gap of 25 years, when overpowering the challenge of Ballymote in the final. The final had two 'lasts' to its outcome - Easkey's last title and Ballymote's last final appearance to date.
First round
| Game | Date | Venue | Team A | Score | Team B | Score |
| Sligo SFC First Round | 7 August | Tubbercurry | Ballymote | 2-7 | Tourlestrane | 0-6 |
Quarter-finals
| Game | Date | Venue | Team A | Score | Team B | Score |
| Sligo SFC Quarter-final | 14 August | Ballymote | Curry | beat | Collooney Harps | |
| Sligo SFC Quarter-final | 14 August | Ballymote | Easkey | beat | St. Patrick's | |
| Sligo SFC Quarter-final | 14 August | Markievicz Park | Ballymote | beat | Craobh Rua | |
| Sligo SFC Quarter-final | 14 August | Tubbercurry | Bunninadden | 4-5 | Tubbercurry | 3-5 |
Semi-finals
| Game | Date | Venue | Team A | Score | Team B | Score |
| Sligo SFC Semi-final | 21 August | Ballymote | Easkey | beat | Curry | |
| Sligo SFC Semi-final | 28 August | Ballymote | Ballymote | 4-10 | Bunninadden | 0-5 |