| All Ireland Champions | |
|---|---|
| Winners | Cork (11th win) |
| Captain | Dan Murphy |
| Manager | Bertie Óg Murphy |
| All Ireland Runners-up | |
| Runners-up | Galway |
| Provincial Champions | |
| Munster | Cork |
| Leinster | Kilkenny |
| Ulster | Antrim |
| Connacht | Not Played |
|
← 1997
1999 →
|
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The 1998 All-Ireland Under-21 Hurling Championship was the 35th staging of Ireland's hurling knock-out competition for players aged between 18 and 21. Cork won the championship, beating Galway 2-15 to 2-10 in the final.
Semi-finals: (2 matches) The four provincial representatives contest these games. The pairings are Munster v Ulster and Leinster v Connacht. Two teams are eliminated at this stage while two teams advance to the All-Ireland final.
Final: (1 match) The winners of the two semi-finals contest the All-Ireland final.