2023 Clare Senior Hurling Championship

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

The 2022 champions, and holders of the Canon Hamilton Cup are Ballyea, who successfully defended their 2021 crown, to win back-to-back titles and their fourth title in seven years. They defeated Éire Óg, Ennis by a single point in Cusack Park, Ennis in the county final.

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

Group stage

 * One group of five and three groups of four.
 * 2022 semi-finalists are seeded and kept separate.
 * 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 two teams in each group advance to Quarter-Finals
 * The third-placed teams in each group and the fourth-placed team in Group A move to Senior B Championship
 * The bottom-placed team from each group contest Relegation Playoffs

Group B
Crusheen finished above Sixmilebridge and O'Callaghan's Mills by virtue of an update to the GAA rule book as of 2023. In the case where point difference is used to determine placing, only the matches between the relevant teams are used to calculate the point difference. Rule 6.21(5)(c)(i) of the GAA's official guide states:"The higher Scoring Difference (subtracting the total Scores Against from total Score For) in the ‘Head-to-Head’ games."

Quarter-finals

 * Played by top two placed teams from each group

Senior B Championship

 * Played by four third-placed teams from Groups A-D, and the fourth-placed team from Group A

Relegation Playoffs

 * Played by the four bottom-placed teams from Groups A-D
 * Loser of each playoff relegated to Intermediate for 2024