1986 Cork Senior Football Championship
The 1987 Cork Senior Football Championship was the 99th staging of the Cork Senior Football Championship since its establishment by the Cork County Board in 1887. The draw for the opening round fixtures took place on 26 January 1986. The championship began on 13 April 1986 and ended on 28 September 1986.
St. Finbarr's entered the championship as the defending champions.
On 28 September 1986, Imokilly won the championship following a 2-04 to 0-09 defeat of St. Finbarr's in the final. This was their second championship title overall and their first title since 1984.
Bishopstown's Paul McGrath was the championship's top scorer with 0-24.
Team changes
To Championship
Promoted from the Cork Intermediate Football ChampionshipFrom Championship
Regraded to the Cork Intermediate Football ChampionshipChampionship statistics
Top scorers
;Top scorers overall| Rank | Player | Club | Tally | Total | Matches | Average |
| 1 | Paul McGrath | Bishopstown | 0-24 | 24 | 4 | 6.00 |
| 2 | Dave Barry | St. Finbarr's | 1-19 | 22 | 5 | 4.40 |
| 2 | Tony O'Sullivan | Na Piarsaigh | 0-22 | 22 | 4 | 5.50 |
| 4 | Colm O'Neill | Midleton | 0-20 | 20 | 4 | 5.00 |
| 5 | John Cleary | Castlehaven | 0-18 | 18 | 4 | 4.50 |
| 6 | Robert Swaine | Imokilly | 2-11 | 17 | 5 | 3.60 |
| 7 | Tadhg Murphy | Imokilly | 4-04 | 16 | 5 | 3.20 |
| 8 | Ephie Fitzgerald | Nemo Rangers | 0-15 | 15 | 3 | 5.00 |
| 9 | Seán O'Driscoll | Muskerry | 0-12 | 12 | 2 | 6.00 |
| 9 | Billy Ahern | Imokilly | 0-12 | 12 | 5 | 2.60 |
;Top scorers in a single game
| Rank | Player | Club | Tally | Total | Opposition |
| 1 | Paul McGrath | Bishopstown | 0-10 | 10 | Seandún |
| 2 | Mick McCarthy | O'Donovan Rossa | 1-06 | 9 | Na Piarsaigh |
| 3 | Ephie Fitzgerald | Nemo Rangers | 0-09 | 9 | Clonakilty |
| 3 | Tony O'Sullivan | Na Piarsaigh | 0-09 | 9 | St Michael's |
| 5 | Tadhg Murphy | Imokilly | 2-01 | 7 | Nemo Rangers |
| 5 | Paul McGrath | Bishopstown | 0-07 | 7 | Bantry Blues |
| 5 | John Cleary | Castlehaven | 0-07 | 7 | Macroom |
| 5 | Colm O'Neill | Midleton | 0-07 | 7 | Carrigdhoun |
| 5 | Anthony Barry | Millstreet | 0-07 | 7 | Muskerry |
| 5 | Seán O'Driscoll | Muskerry | 0-07 | 7 | Imokilly |
| 5 | Colm O'Neill | Midleton | 0-07 | 7 | Bishopstown |
Miscellaneous
- O'Donovan Rossa return to the senior championship.
- Castlehaven were thrown out of the championship by a vote of 56 to 2 after walking off the field in their second round second replay with University College Cork.