2023 Clare Senior Football Championship

The 2023 TUS Clare Senior Football Championship was the 128th staging of the Clare Senior Football Championship since its establishment by the Clare County Board in 1887.

The 2022 champions, and holders of the Jack Daly Cup were Éire Óg, Ennis, who successfully defended their 2021 crown, to win back-to-back titles and their twentieth overall. They defeated Ennistymon by 0–09 to 0–06 in Cusack Park, Ennis in the county final.

The draws for the 2023 Clare club championships took place on 14 June 2023.

Group stage

 * Three groups of four.
 * 2022 semi-finalists are seeded and kept separate.
 * As there will be two 2022 semi-finalists in Group A, there will be an extra quarter-final place available.
 * A draw between the three second-placed teams in Groups A-C will determine the fourth seeded quarter-finalist.
 * Each team plays all the other teams in their group once. Two points are awarded for a win and one for a draw.
 * The top three teams from Group A and the top two teams from Groups B and C advance to Quarter-Finals
 * The third-placed teams from Groups B and C advance to Preliminary Quarter-Final
 * The three bottom-placed teams in each group contest Relegation Playoffs

Preliminary Quarter-Final

 * Played by two third-placed teams from Groups B and C

Quarter-finals

 * Played by top two placed teams from Groups A-C, third-placed team from Group A, and winners of Preliminary Quarter-Final

Relegation Playoffs

 * Played by the three bottom-placed teams from Groups A-C
 * Loser of Playoff 2 relegated to Intermediate for 2023