| 1938 Cork Senior Hurling Championship | |
| Dates: | 13 March 1938 – 16 October 1938 |
| Champions: | Glen Rovers |
| Count: | 5 |
| Champions Captain: | Josa Lee |
| Runners-Up: | Midleton |
| Matches: | 13 |
| Goals: | 112 |
| Points: | 86 |
| Previous Year: | 1937 |
| Previous Tournament: | 1937 Cork Senior Hurling Championship |
| Next Year: | 1939 |
| Next Tournament: | 1939 Cork Senior Hurling Championship |
The 1938 Cork Senior Hurling Championship was the 50th staging of the Cork Senior Hurling Championship since its establishment by the Cork County Board in 1887. The draw for the opening round fixtures took place at the Cork Convention on 30 January 1938. The championship began on 13 March 1938 and ended on 16 October 1938.
Glen Rovers were the defending champions.
On 16 October 1938, Glen Rovers won the championship following a 5–06 to 1–03 defeat of Midleton in the final. This was their fifth championship title and the fifth of eight successive championships.[1]