1980 All-Ireland Under-21 Hurling Championship
| All Ireland Champions | |
|---|---|
| Winners | Tipperary (4th win) |
| Captain | Philip Kennedy |
| Manager | Mick Minogue |
| All Ireland Runners-up | |
| Runners-up | Kilkenny |
| Captain | Lester Ryan |
| Manager | Fan Larkin |
| Provincial Champions | |
| Munster | Tipperary |
| Leinster | Kilkenny |
| Ulster | Antrim |
| Connacht | Not Played |
← 1979 1981 → | |
The 1980 All-Ireland Under-21 Hurling Championship was the 17th staging of the All-Ireland Under-21 Hurling Championship since its establishment by the Gaelic Athletic Association in 1964.
Tipperary were the defending champions.
On 14 September 1980, Tipperary won the championship following a 2-9 to 0-14 defeat of Kilkenny in the All-Ireland final. This was their fourth All-Ireland title in the under-21 grade and their second in succession.