2023 Louth Senior Football Championship

The 2023 Louth Senior Football Championship was the 130th edition of the premier Gaelic football tournament for Senior graded clubs in County Louth, Ireland, organized by Louth GAA. The tournament consisted of 12 teams, with the winner going on to represent the county in the Leinster Senior Club Football Championship. The championship began with a group stage and progressed to a knockout stage after the four teams that finished bottom of their group were eliminated.

St Mary's entered the tournament as defending champions after defeating Newtown Blues in the 2022 decider.

The Ardee club retained the Joe Ward Cup, beating Naomh Máirtin by one point in the final at Dowdallshill.

Team changes
Cooley Kickhams were promoted to Senior football for 2023 as winners of the 2022 Louth Intermediate Championship. They replaced Mattock Rangers, who lost the 2022 Senior Championship Relegation play-off to Dundalk Gaels.

Group 1
Round 1

Round 2

Round 3

Group 2
Round 1

Round 2

Round 3

Group 3
Round 1

Round 2

Round 3

Group 4
Round 1

Round 2

Round 3

Relegation Play-Off Final

 * Dundalk Gaels are relegated to Intermediate football for 2024.