2003 Limerick Senior Hurling Championship
| Dates | 20 June – 12 October 2003 | ||
|---|---|---|---|
| Teams | 10 | ||
| Sponsor | AIB | ||
| Champions | Patrickswell (18th title) Paul Carey (captain) Jim Fawl (manager) | ||
| Runners-up | Adare Mark Foley (captain) Pat Lavin (manager) | ||
| Relegated | Garryspillane | ||
| Tournament statistics | |||
| Matches played | 22 | ||
| Goals scored | 61 (2.77 per match) | ||
| Points scored | 522 (23.73 per match) | ||
| Top scorer(s) | Conor Fitzgerald (0-55) | ||
| |||
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 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.