| 1938 Cork Senior Football Championship | |
| Champions: | St. Nicholas' |
| Count: | 1 |
| Champions Captain: | Jack Buckley |
| Runners-Up: | Clonakilty |
| Previous Year: | 1937 |
| Previous Tournament: | 1937 Cork Senior Football Championship |
| Next Year: | 1939 |
| Next Tournament: | 1939 Cork Senior Football Championship |
The 1938 Cork Senior Football Championship was the 50th staging of the Cork Senior Football Championship since its establishment by the Cork County Board in 1887.
Carbery entered the championship as the defending champions.
On 27 November 1938, St. Nicholas' won the championship following a 2–01 to 0–02 defeat of Clonakilty in the final.[1] This was their first championship title.