| 1978 All-Ireland Minor Football Championship | |
| Bodyclass: | vevent |
| Headerstyle: | background:#BFD7FF; |
| Labelstyle: | white-space: nowrap |
| Datastyle: | white-space: nowrap |
| Header1: | Championship details |
| Label2: | Dates |
| Label3: | Teams |
| Header4: | All-Ireland Champions |
| Label5: | Winning team |
| Data5: | Mayo (5th win) |
| Label6: | Captain |
| Label7: | Manager |
| Header8: | All-Ireland Finalists |
| Label9: | Losing team |
| Data9: | Dublin |
| Label10: | Captain |
| Label11: | Manager |
| Header12: | Provincial Champions |
| Label13: | Munster |
| Data13: | Kerry |
| Label14: | Leinster |
| Data14: | Dublin |
| Label15: | Ulster |
| Data15: | Tyrone |
| Label16: | Connacht |
| Data16: | Mayo |
The 1978 All-Ireland Minor Football Championship was the 47th staging of the All-Ireland Minor Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament for boys under the age of 18.
Down entered the championship as defending champions, however, they were defeated in the Ulster Championship.
On 24 September 1978, Mayo won the championship following a 4-9 to 3-8 defeat of Dublin in the All-Ireland final. This was their fourth All-Ireland title overall and their first title in seven championship seasons.[1]
Quarter-Finals
Semi-Finals
Final
Preliminary Round
Quarter-Finals
Semi-Finals
Final
Preliminary Round
Quarter-Finals
Semi-Finals
Final
Quarter-Final
Semi-Finals
Final
Semi-Finals
Final