The 1991 All-Ireland Senior Football Championship was the 105th staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. The championship began on 19 May 1991 and ended on 15 September 1991. In the Munster semi-final Kerry ended Cork's 2 years as All Ireland champions. The Championship was noted for the tie between Dublin and Meath that took three replays to decide.