The 2021 All-Ireland Senior Football Championship Final was the 134th final of the All-Ireland Senior Football Championship and the culmination of the 2021 All-Ireland Senior Football Championship. The match was played at Croke Park in Dublin on 11 September 2021. It was originally scheduled for 28 August but had to be postponed by two weeks when the Tyrone–Kerry semi-final was postponed due to a COVID-19 outbreak.