| 1918 Tipperary Senior Hurling Championship | |
| Champions Captain: | Johnny Leahy |
| Count: | 4 |
| Runners-Up: | Toomevara |
| Previous Year: | 1917 |
| Previous Tournament: | 1917 Tipperary Senior Hurling Championship |
| Next Year: | 1919 |
| Next Tournament: | 1919 Tipperary Senior Hurling Championship |
The 1918 Tipperary Senior Hurling Championship was the 29th staging of the Tipperary Senior Hurling Championship since its establishment by the Tipperary County Board in 1887.
Boherlahan were the defending champions.
Toomevara defeated Boherlahan by 6–00 to 3–04 in the final, however, Boherlahan were later awarded the title after a successful objection.[1] It was their fourth championship title overall and their fourth title in succession.