The 2025 Cork Premier Junior Hurling Championship was the fourth 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 10 December 2024. The championship ran from 1 August to 17 October 2025.
The final was played on 17 October 2025 at SuperValu Páirc UàChaoimh in Cork, between Kilbrittain and Glen Rovers, in what was their first ever meeting in a final in this grade. Kilbrittain won the match by 0-22 to 2-15 to claim their first ever championship title.
Kilbrittain's Mark Hickey was the championship's top scorer with 0-38.
Relegated from the Cork Intermediate A Hurling Championship
Promoted from the Cork Junior A Hurling Championship
Promoted to the Cork Intermediate A Hurling Championship
Relegated to the Cork City Junior A Hurling Championship