1966 All-Ireland Minor Football Championship

The 1966 All-Ireland Minor Football Championship was the 35th 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.

Derry entered the championship as defending champions, however, they were defeated by Down in the Ulster final.

On 25 September 1966, Mayo won the championship following a 1–12 to 1–8 defeat of Down in the All-Ireland final. This was their third All-Ireland title overall and their first title in 13 championship seasons.

Connacht Minor Football Championship
Quarter-Final

Semi-Finals

Final

Leinster Minor Football Championship
Preliminary round

Quarter-Finals

Semi-Finals

Final

Ulster Minor Football Championship
Preliminary round

Quarter-Finals

Semi-Finals

Final

Munster Minor Football Championship
Quarter-Finals

Semi-Finals

Final

All-Ireland Minor Football Championship
Semi-Finals

Final