The 1912 All-Ireland Senior Football Championship was the 26th staging of Ireland's premier Gaelic football knock-out competition. The Munster Quarter-Final Kerry ended Cork's All Ireland title. Louth were the winners.
Connacht Senior Football Championship
Leinster Senior Football Championship
Munster Senior Football Championship
Ulster Senior Football Championship
By the time the semi-final was to be played, the Leinster championship was not finished, so Dublin were nominated to represent Leinster. When Louth beat Dublin in the Leinster final, they were given Dublin's place in the All-Ireland final.