| Type: | Under-21 |
| Year: | 1980 |
| Munster: | Tipperary |
| Leinster: | Kilkenny |
| Ulster: | Antrim |
| Team: | Tipperary |
| Titles: | 4th |
| Captain: | Philip Kennedy |
| Manager: | Mick Minogue |
| Team2: | Kilkenny |
| Captain2: | Lester Ryan |
| Manager2: | Fan Larkin |
| Previous: | 1979 |
| Next: | 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.[1] This was their fourth All-Ireland title in the under-21 grade and their second in succession.
Final
First round
Semi-finals
Final
Semi-finals
Final