| 1943 Limerick Senior Hurling Championship | |
| Champions: | Ahane |
| Count: | 10 |
| Runners-Up: | Croom |
| Previous Year: | 1942 |
| Previous Tournament: | 1942 Limerick Senior Hurling Championship |
| Next Year: | 1944 |
| Next Tournament: | 1944 Limerick Senior Hurling Championship |
The 1943 Limerick Senior Hurling Championship was the 49th staging of the Limerick Senior Hurling Championship since its establishment by the Limerick County Board.
Ahane were the defending champions.
On 12 September 1943, Ahane won the championship after a 7–02 to 1–02 defeat of Croom in the final.[1] It was their 10th championship title overall and their second title in succession.