| 1908 Kilkenny Senior Hurling Championship | |
| Champions: | Mooncoin |
| Champions Captain: | Ned Doyle |
| Count: | 4 |
| Runners-Up: | Threecastles |
| Runners-Up Captain: | Ned Hennessy |
| Previous Year: | 1907 |
| Previous Tournament: | 1907 Kilkenny Senior Hurling Championship |
| Next Year: | 1909 |
| Next Tournament: | 1909 Kilkenny Senior Hurling Championship |
The 1908 Kilkenny Senior Hurling Championship was the 20th staging of the Kilkenny Senior Hurling Championship since its establishment by the Kilkenny County Board.
On 16 May 1909, Mooncoin won the championship after a 5–17 to 3–05 defeat of Threecastles in the final.[1] This was their fourth championship title overall and their first in two championship seasons.