2023 Cork Premier Junior Hurling Championship

The 2023 Cork Premier Junior Hurling Championship was the second staging of the Cork Premier Junior Hurling Championship since its establishment by the Cork County Board in 2022. The draw for the group stage placings took place on 11 December 2022. The championship ran from 5 August to 14 October 2023.

The final was played on 14 October 2023 at Páirc Uí Chaoimh in Cork, between Erin's Own and St Catherine's, in what was their first ever meeting in the final. Erin's Own won the match by 1-14 to 2-09 to claim their first ever championship title.

Conor Dorris was the championship's top scorer with 0-39.

To Championship
Relegated from the Cork Intermediate A Hurling Championship
 * Meelin

Promoted from the Cork Junior A Hurling Championship
 * Erin's Own

From Championship
Promoted to the Cork Intermediate A Hurling Championship
 * Ballygiblin

Relegated to the Mid Cork Junior A Hurling Championship
 * Dripsey

Top scorers

 * Overall