1989 All-Ireland Under-21 Hurling Championship
The 1989 All-Ireland Under-21 Hurling Championship was the 26th staging of the All-Ireland Under-21 Hurling Championship since its establishment by the Gaelic Athletic Association in 1964. The championship began on 7 June 1989 and ended on 10 September 1989.
Cork entered the championship as the defending champions, however, they were beaten by Tipperary in a Munster semi-final replay.
On 10 September 1989, Tipperary won the championship following a 4-10 to 3-11 defeat of Offaly in the All-Ireland final. This was their seventh All-Ireland title overall and their first title since 1985.
Tipperary's Dan Quirke was the championship's top scorer with 7-08.Results
Quarter-finals
Semi-finals
FinalQuarter-finals
Semi-finals
FinalSemi-finals
FinalSemi-finals
Final;Overall
| Rank | Player | Club | Tally | Total | Matches | Average |
| 1 | Dan Quirke | Tippearry | 7-08 | 29 | 6 | 4.83 |
| 2 | Declan Pilkington | Offaly | 6-07 | 25 | 5 | 5.00 |
| 2 | Michael Duignan | Offaly | 4-13 | 25 | 5 | 5.00 |
| 3 | John Leahy | Tippearry | 0-17 | 17 | 6 | 2.83 |
| 4 | Tony Lanigan | Tippearry | 3-07 | 16 | 6 | 2.66 |
| 5 | Daithí Regan | Offaly | 3-06 | 15 | 5 | 3.00 |
| 5 | Noel Murray | Antrim | 1-12 | 15 | 3 | 5.00 |
| 5 | Conor Stakelum | Tippearry | 0-15 | 15 | 6 | 2.50 |
| 6 | Johnny Dooley | Offaly | 0-14 | 14 | 5 | 2.80 |
| 7 | Michael McShane | Antrim | 2-07 | 13 | 3 | 4.33 |
;In a single game
| Rank | Player | Club | Tally | Total | Opposition |
| 1 | Declan Pilkington | Offaly | 4-03 | 15 | Westmeath |
| 2 | Dan Quirke | Tipperary | 3-02 | 11 | Offaly |
| 3 | Dan Quirke | Tipperary | 3-00 | 9 | Limerick |
| 3 | Michael Duignan | Offaly | 2-03 | 9 | Laois |
| 4 | Daithí Regan | Offaly | 2-02 | 8 | Antrim |
| 4 | Michael Duignan | Offaly | 1-05 | 8 | Kilkenny |
| 5 | Michael McShane | Antrim | 1-04 | 7 | Derry |
| 5 | Tony Dunne | Laois | 1-04 | 7 | Offaly |
