| 1943 Kilkenny Senior Hurling Championship | |
| Champions: | Carrickshock |
| Count: | 6 |
| Runners-Up: | Mullinavat |
| Previous Year: | 1942 |
| Previous Tournament: | 1942 Kilkenny Senior Hurling Championship |
| Next Year: | 1944 |
| Next Tournament: | 1944 Kilkenny Senior Hurling Championship |
The 1943 Kilkenny Senior Hurling Championship was the 49th staging of the Kilkenny Senior Hurling Championship since its establishment by the Kilkenny County Board.
On 8 August 1943, Carrickshock won the championship after a 3–06 to 1–03 defeat of Mullinavat in the final.[1] It was their sixth championship title overall and their fourth title in succession. They were the first team to win four titles in-a-row.