1980 Cork Senior Football Championship
The 1980 Cork Senior Football Championship was the 92nd staging of the Cork Senior Football Championship since its establishment by the Cork County Board in 1887. The championship began on 5 April 1980 and ended on 14 September 1980.
St. Finbarr's entered the championship as the defending champions.
On 14 September 1980, St. Finbarr's won the championship following a 3-08 to 1-09 defeat of University College Cork in the final. This was their sixth championship title overall and their second title in succession.
Jamesie O'Callaghan of the St. Finbarr's club was the championship's top scorer with 7-28.Team changes
To Championship
Promoted from the Cork Intermediate Football Championship
Table
Division 2
Table
Group stage results
Division 3
Table
Group stage results
Division 4
Quarter-finals
Semi-finals
Final
Top scorers
;Overall
| Rank | Player | Club | Tally | Total | Matches | Average |
| 1 | Jamesie O'Callaghan | St. Finbarr's | 7-28 | 49 | 7 | 7.00 |
| 2 | John Cleary | Castlehaven | 0-32 | 32 | 6 | 5.33 |
| 3 | Dinny Allen | Nemo Rangers | 2-25 | 31 | 6 | 6.16 |
Miscellaneous
- Adrigole withdrew midway through the championship after finding it difficult to field a team.
- The attendance at the final of 4,500 was the smallest since 1972.
- St. Finbarr's became the first single entity club to achieve the double.
