| Championship Details | |
|---|---|
| Dates | 6 June 1990 – 9 September 1990 |
| All Ireland Champions | |
| Winners | Kilkenny (5th win) |
| Captain | Jamesie Brennan |
| All Ireland Runners-up | |
| Runners-up | Tipperary |
| Captain | John Leahy |
| Provincial Champions | |
| Munster | Tipperary |
| Leinster | Kilkenny |
| Ulster | Down |
| Connacht | Not Played |
| Championship Statistics | |
| Top Scorer |  Jamesie Brennan (0-25) |
← 1989 1991 → | |
The 1990 All-Ireland Under-21 Hurling Championship was the 27th staging of the All-Ireland Under-21 Hurling Championship since its establishment by the Gaelic Athletic Association in 1964. The championship began on 6 June 1990 ended on 9 September 1990.
Tipperary entered the championship as the defending champions.
On 9 September 1990, Kilkenny won the championship after a 2-11 to 1-11 defeat of Tipperary in the All-Ireland final.[1] This was their fifth All-Ireland title overall and their first title since 1985.
Kilkenny's Jamesie Brennan was the championship's top scorer with 0-25.
- ^ "Kilkenny GAA profile". Hogan Stand. 13 September 2010. Archived from the original on 14 October 2011. Retrieved 26 August 2015.