1974 All-Ireland Under-21 Hurling Championship
The 1974 All-Ireland Under-21 Hurling Championship was the 11th staging of the All-Ireland Under-21 Hurling Championship since its establishment by the Gaelic Athletic Association in 1964. The championship began on 24 April 1974 and ended on 8 September 1974.
Cork entered the championship as the defending champions, however, they were defeated by Clare in the Munster semi-final.
On 8 September 1974, Kilkenny won the championship following a 3-08 to 3-07 defeat of Waterford in the All-Ireland final at Semple Stadium. This was their first All-Ireland title.
Kilkenny's Billy Fitzpatrick and Waterford's Tom Casey were the championship's joint top scorers.Results
Quarter-final
Semi-finals
FinalFirst round
Semi-finals
FinalFinalSemi-finals
FinalTop scorers
;Overall
| Rank | Player | County | Tally | Total | Matches | Average |
| 1 | Billy Fitzpatrick | Kilkenny | 4-14 | 26 | 4 | 6.50 |
| 1 | Tom Casey | Waterford | 2-20 | 26 | 5 | 5.20 |
| 2 | Mossie McNamara | Waterford | 5-04 | 19 | 5 | 3.80 |
| 2 | Brendan Mansfield | Waterford | 3-10 | 19 | 5 | 3.80 |
| 3 | Pat Mulcahy | Kilkenny | 3-07 | 16 | 4 | 4.00 |
| 4 | Vinny Holden | Dublin | 3-06 | 15 | 2 | 7.50 |
| 5 | Paul Moore | Waterford | 4-00 | 12 | 5 | 2.40 |
| 5 | Liam Power | Waterford | 2-06 | 12 | 5 | 2.40 |
Miscellaneous
