2003 All-Ireland Minor Hurling Championship
| Championship Details | |
|---|---|
| Dates | 5 April 2003 – 14 September 2003 | 
| All Ireland Champions | |
| Winners | Kilkenny (18th win) | 
| Captain | Richie Power | 
| Manager | Damien Brennan | 
| All Ireland Runners-up | |
| Runners-up | Galway | 
| Captain | Niall Healy | 
| Manager | Mattie Murphy | 
| Provincial Champions | |
| Munster | Tipperary | 
| Leinster | Kilkenny | 
| Ulster | Antrim | 
| Connacht | Not Played | 
| Championship Statistics | |
| Top Scorer | Richie Power (1-29) | 
← 2002   2004 →   | |
The 2003 All-Ireland Minor Hurling Championship was the 73rd staging of the All-Ireland Minor Hurling Championship since its establishment by the Gaelic Athletic Association in 1928. The championship began on 5 April 2003 and ended on 14 September 2003.
Kilkenny entered the championship as defending champions.
On 14 September 2003, Kilkenny won the championship following a 2–16 to 2–15 defeat of Galway in the All-Ireland final. This was their 18th championship title overall and their second title in succession.
Kilkenny's Richie Power was the championship's top scorer with 1-29.