1998 All-Ireland Under-21 Hurling Championship
The 1998 All-Ireland Under-21 Hurling Championship was the 35th staging of the All-Ireland Under-21 Hurling Championship since its establishment by the Gaelic Athletic Association in 1964. The championship began on 3 June 1998 ended on 20 September 1998.
Cork entered the championship as the defending champions.
On 20 September 1998, Cork won the championship following a 2-15 to 2-10 defeat of Galway in the All-Ireland final. This was their 11th All-Ireland title overall and their second title in succession.
Cork's Joe Deane was the championship's top scorer with 8-31.Results
First round
Semi-finals
FinalFirst round
Semi-finals
FinalSemi-finals
FinalSemi-finals
Final;Top scorers overall
| Rank | Player | Club | Tally | Total | Matches | Average |
| 1 | Joe Deane | Cork | 8-31 | 55 | 5 | 11.00 |
| 2 | Henry Shefflin | Kilkenny | 4-18 | 30 | 3 | 10.00 |
| 3 | Brian McFall | Aatrim | 4-16 | 28 | 3 | 9.33 |
| 4 | Johnny Enright | Tipperary | 3-18 | 27 | 3 | 9.00 |
| 5 | Tomás McGrane | Dublin | 1-22 | 25 | 3 | 8.33 |
| 6 | Brian O'Keeffe | Cork | 5-06 | 21 | 5 | 4.20 |
| 6 | Cillian Farrell | Offaly | 2-15 | 21 | 2 | 10.50 |
| 7 | Mickey O'Connell | Cork | 0-17 | 17 | 5 | 3.60 |
| 8 | Eugene O'Neill | Tipperary | 3-07 | 16 | 3 | 5.33 |
| 9 | Johnny McGrattan | Down | 3-06 | 15 | 2 | 7.50 |
