| 1909 Cork Senior Football Championship | |
| Champions: | Macroom |
| Count: | 1 |
| Champions Captain: | Con O'Shea |
| Runners-Up: | Bantry Blues |
| Runners-Up Captain: | P. McCarthy |
| Previous Year: | 1908 |
| Previous Tournament: | 1908 Cork Senior Football Championship |
| Next Year: | 1910 |
| Next Tournament: | 1910 Cork Senior Football Championship |
The 1909 Cork Senior Football Championship was the 23rd staging of the Cork Senior Football Championship since its establishment by the Cork County Board in 1887.
Lees entered the championship as the defending champions.
On 31 October 1909, Macroom won the championship following a 1–06 to 1–02 defeat of Bantry Blues in the final.[1] This was their first championship title.