2023 Cork Senior A Hurling Championship

The 2023 Cork Senior A Hurling Championship was the fourth staging of the Cork Senior A Hurling Championship since its establishment by the Cork County Board in 2020. The draw for the group stage placings took place on 11 December 2022. The championship ran from 4 August to 28 October 2023.

The final, a replay, was played on 28 October 2023 at Páirc Uí Chaoimh in Cork, between Blarney and Newcestown, in what was their first ever meeting in the final. Newcestown won the match by 3–17 to 0–24 to claim their first ever championship title in the grade.

Blarney's Shane Barrett was the championship's top scorer with 1-69.

To Championship
Relegated from the Cork Premier Senior Hurling Championship
 * Na Piarsaigh

Promoted from the Cork Premier Intermediate Hurling Championship
 * Inniscarra

From Championship
Promoted to the Cork Premier Senior Hurling Championship
 * Fr. O'Neill's

Relegated to the Cork Premier Intermediate Hurling Championship
 * Ballymartle

Top scorers

 * Overall


 * In a single game

Miscellaneous

 * The semi-final between Bride Rovers and Blarney was declared void and a replay ordered after an objection by Blarney was upheld. Bride Rovers had 16 players on the pitch in the play that led to them winning an equalising free in the void match.