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