| Championship Details | |
|---|---|
| Dates | 28 May – 14 September 2008 |
| Teams | 16 |
| All Ireland Champions | |
| Winners | Kilkenny (11th win) |
| Captain | James Dowling |
| Manager | Michael Walsh |
| All Ireland Runners-up | |
| Runners-up | Tipperary |
| Captain | Séamus Hennessy |
| Manager | Declan Carr |
| Provincial Champions | |
| Munster | Tipperary |
| Leinster | Kilkenny |
| Ulster | Derry |
| Connacht | Not Played |
| Championship Statistics | |
| Matches Played | 17 |
← 2007 2009 → | |
The 2008 Bord Gáis Energy GAA Hurling All-Ireland Under-21 Championship was the 45th staging of Ireland's hurling knock-out competition for players aged between 18 and 21. Kilkenny won the championship, beating Tipperary 2-13 to 0-15 in the final at Croke Park, Dublin.