| 1918 Cork Senior Football Championship | |
| Champions: | Cobh |
| Count: | 1 |
| Runners-Up: | Fermoy |
| Previous Year: | 1917 |
| Previous Tournament: | 1917 Cork Senior Football Championship |
| Next Year: | 1919 |
| Next Tournament: | 1919 Cork Senior Football Championship |
The 1918 Cork Senior Football Championship was the 32nd staging of the Cork Senior Football Championship since its establishment by the Cork County Board in 1887.
Nils were the defending champions.[1]
On 20 October 1918, Cobh won the championship following a 0–03 to 0–01 defeat of Fermoy in the final at Midleton Sportsfield.[2] This was their first ever championship title.