The Westmeath Senior Football Championship is an annual Gaelic Athletic Association competition organised by Westmeath GAA between the top Gaelic football clubs in County Westmeath.

The winner of the Westmeath Championship qualifies to represent the 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 St Loman's, having defeated The Downs in the 2024 final.

[1] The 12 teams that will compete in the 2024 Westmeath Senior Football Championship are: Group 1: St Loman's, Tang, Caulry, Athlone, Coralstown Kinnegad, Tyrellspass Group 2: The Downs, Mullingar Shamrocks, Moate All Whites, Shandonagh, St Malachy's, Killucan St Malachy's gained promotion to the senior championship as a reward for their 2023 Westmeath Intermediate Football Championship victory, while Garrycastle were relegated to the intermediate championship for 2024.