The Longford Senior Football Championship is an annual Gaelic Athletic Association competition organised by Longford GAA among the Senior grade Gaelic football clubs in County Longford, Ireland.

The winning club qualifies to represent its county in the Leinster Senior Club Football Championship, the winner of which progresses to the All-Ireland Senior Club Football Championship.

The current champions are Abbeylara, winning their third SFC title in October 2024.

[1] The Longford Slashers club has won more titles (16) than any other club, while Clonguish holds the record for most consecutive wins (4) in 1962, 1963, 1964 and 1965.

The Seán Connolly cup is presented to the winners of the Longford Senior Football Championship.