| 1900 Kilkenny Senior Hurling Championship | |
| Teams: | 5 |
| Champions: | Mooncoin |
| Champions Captain: | Tom Quinn |
| Count: | 2 |
| Runners-Up: | Freshford |
| Runners-Up Captain: | Jack Grace |
| Previous Year: | 1899 |
| Previous Tournament: | 1899 Kilkenny Senior Hurling Championship |
| Next Year: | 1901 |
| Next Tournament: | 1901 Kilkenny Senior Hurling Championship |
The 1900 Kilkenny Senior Hurling Championship was the 12th staging of the Kilkenny Senior Hurling Championship since its establishment by the Kilkenny County Board.
Mooncoin won the championship after a 5–09 to 1–15 defeat of Freshford in the final.[1] This was their second championship title overall and their first in 12 championship seasons.