The 1966 All-Ireland Senior Football Championship was the 80th staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. The championship began on 1 May 1966 and ended on 25 September 1966.
Galway entered the championship as the defending champions in search of a third successive championship title.
On 25 September 1966, Galway won the championship following a 1-10 to 0-7 defeat of Meath in the All-Ireland final. This was their seventh All-Ireland title overall and their third championship in succession.
Fermanagh's P. T. Treacy was the championship's top scorer with 4-12. Galway's Mattie McDonagh was the choice for Texaco Footballer of the Year.
Connacht Championship format change
Normal system back with just 1 Quarter-final vs 2 Semi-finals as usual.
Results
Connacht Senior Football Championship
Quarter-final
Semi-finals
Final
Leinster Senior Football Championship
First round
Quarter-finals
Semi-finals
Final
Munster Senior Football Championship
Quarter-finals
Semi-finals
Final
Ulster Senior Football Championship
Preliminary round
Quarter-finals
Semi-finals
Final
All-Ireland Senior Football Championship
Semi-finals
Final
Championship statistics
Miscellaneous
Cork stop Kerry to 9 Munster titles in a row in the Munster final. The All Ireland semi-final between Meath and Down was their first ever championship meeting. Galway were All Ireland Champions for the third year in a row and Connacht champions for the fourth year in a row.