1978 All-Ireland Under-21 Hurling Championship
| All Ireland Champions | |
|---|---|
| Winners | Galway (2nd win) |
| Captain | Bernie Forde |
| All Ireland Runners-up | |
| Runners-up | Tipperary |
| Captain | Pat Fitzelle |
| Provincial Champions | |
| Munster | Tipperary |
| Leinster | Offaly |
| Ulster | Antrim |
| Connacht | Galway |
|
← 1977 1979 → | |
The 1978 All-Ireland Under-21 Hurling Championship was the 15th staging of Ireland's hurling knock-out competition for players aged between 18 and 21. Galway won the championship, beating Tipperary 3-15 to 2-8 in a replayed final.
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