2018 Leinster Senior Hurling Championship
| Tournament details | |
|---|---|
| Year | 2018 |
| Date | 12 May–8 July |
| Teams | 5 |
| Defending champions | Galway |
| Winners | |
| Champions | Galway (3rd win) |
| Manager | Micheál Donoghue |
| Captain | David Burke |
| Qualify for | Leinster SHC Final All-Ireland SHC |
| Runners-up | |
| Runners-up | Kilkenny |
| Manager | Brian Cody |
| Captain | Cillian Buckley |
| Promotion/Relegation | |
| Promoted team(s) | Carlow |
| Relegated team(s) | Offaly |
| Other | |
| Matches played | 12 |
The 2018 Leinster Senior Hurling Championship is the 2018 installment of the annual Leinster Senior Hurling Championship organised by Leinster GAA.
This was the first year of a new format.
Galway won a second consecutive title and third ever by defeating Kilkenny in the final.