1977 All-Ireland Under-21 Hurling Championship
| All Ireland Champions | |
|---|---|
| Winners | Kilkenny (3rd win) |
| Captain | Mickey Lyng |
| All Ireland Runners-up | |
| Runners-up | Cork |
| Captain | Tom Lyons |
| Provincial Champions | |
| Munster | Cork |
| Leinster | Kilkenny |
| Ulster | Down |
| Connacht | Not Played |
|
← 1976 1978 → | |
The 1977 All-Ireland Under-21 Hurling Championship was the 14th staging of Ireland's hurling knock-out competition for players aged between 18 and 21. Kilkenny won the championship, beating Cork 2-9 to 1-9 in the final.
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