2003 Limerick Senior Hurling Championship
The 2003 Limerick Senior Hurling Championship was the 109th staging of the Limerick Senior Hurling Championship since its establishment by the Limerick County Board in Limerick Senior Hurling Championship|1887]. The championship ran from 20 June to 12 October 2003.
Adare entered the championship as the defending champions.
The final was played on 12 October 2003 at the Gaelic Grounds in Limerick, between Patrickswell and Adare, in what was their fifth meeting in the [|final] overall and a first final meeting in two years. Patrickswell won the match by 1–13 to 0–14 to claim their 18th championship title overall and a first title in three years. The win also allowed them to draw level with Ahane at the top of the all-time roll of honour.
Adare's Conor Fitzgerald was the championship's top scorer with 0–55.
Format change
16 teams took part in the 2002 Limerick SHC, however, a new format was introduced which resulted in the top eight teams being divided into two groups of four. After the group stage the top three teams in each group qualified for the quarter-finals. The bottom team in each group faced each other in a relegation playoff. The other eight teams played in the newly-created Limerick Senior B Hurling Championship. Those eight teams were also divided into two groups of four. After the group stage the top team in each group also qualified for the quarter-finals.Knockout stage
Quarter-finals
- Ballybrown and Murroe/Boher joined at this stage via the Limerick Senior B Hurling Championship.
Championship statistics
Top scorers
| Rank | Player | Club | Tally | Total | Matches | Average |
| 1 | Conor Fitzgerald | Adare | 0–55 | 55 | 7 | 7.85 |
| 2 | Andrew O'Shaughnessy | Kilmallock | 7–27 | 48 | 6 | 8.00 |
| 3 | Paul [O'Grady (hurler)|Paul O'Grady] | Patrickswell | 1–40 | 43 | 7 | 6.14 |
| 4 | Mike McKenna | Doon | 4–30 | 42 | 5 | 8.40 |
| 5 | John Meskell | Ahane | 2–22 | 28 | 5 | 5.60 |