2023 East Cork Junior A Hurling Championship

The 2023 East Cork Junior A Hurling Championship was the 99th staging of the East Cork Junior A Hurling Championship since its establishment by the East Cork Board in 1925. The draw for the group stage placings took place in January 2023. The championship ran from 7 August to 22 October 2023.

The final was played on 22 October 2023 at Páirc Bhríde in Rathcormac, between Carrignavar and St Ita's, in what was their first ever meeting in the final. Carrignavar won the match by 0–18 to 1–14 to claim their third championship title overall and a first title in 11 years.

To Championship
Promoted from the East Cork Junior B Hurling Championship
 * Bride Rovers

From Championship
Relegated to the East Cork Junior B Hurling Championship
 * Watergrasshill