| Type: | Minor |
| Year: | 1978 |
| Munster: | Cork |
| Leinster: | Kilkenny |
| Team: | Cork |
| Titles: | 13th |
| Captain: | Pat Murphy |
| Team2: | Kilkenny |
| Captain2: | Pierce Phelan |
| Previous: | 1977 |
| Next: | 1979 |
The 1978 All-Ireland Minor Hurling Championship was the 48th staging of the All-Ireland Minor Hurling Championship since its establishment by the Gaelic Athletic Association in 1928.
Kilkenny entered the championship as the defending champions.
On 3 September 1978 Cork won the championship following a 1-15 to 1-8 defeat of Kilkenny in the All-Ireland final. This was their 13th All-Ireland title and their first in four championship seasons.
Final
Semi-final
Final