| 1912 Limerick Senior Hurling Championship | |
| Champions: | Fedamore |
| Count: | 1 |
| Runners-Up: | Ballingarry |
| Previous Year: | 1911 |
| Previous Tournament: | 1911 Limerick Senior Hurling Championship |
| Next Year: | 1913 |
| Next Tournament: | 1913 Limerick Senior Hurling Championship |
The 1912 Limerick Senior Hurling Championship was the 21st staging of the Limerick Senior Hurling Championship since its establishment by the Limerick County Board in 1887.
Ballingarry were the defending champions.
Fedamore won the championship after a 4–04 to 2–02 defeat of Ballingarry in the final.[1] It was their first ever championship title.