| 1898 Kilkenny Senior Hurling Championship | |
| Champions: | Threecastles |
| Champions Captain: | Ned Hennessy |
| Count: | 1 |
| Runners-Up: | Confederation |
| Previous Year: | 1897 |
| Previous Tournament: | 1897 Kilkenny Senior Hurling Championship |
| Next Year: | 1899 |
| Next Tournament: | 1899 Kilkenny Senior Hurling Championship |
The 1898 Kilkenny Senior Hurling Championship was the 10th staging of the Kilkenny Senior Hurling Championship since its establishment by the Kilkenny County Board.
Threecastles won the championship after a 4–01 to 2–03 defeat of Confederation in the final.[1] This was their first championship title.