The 2025 Cork Senior A Football Championship was the sixth staging of the Cork Senior A Football Championship since its establishment by the Cork County Board in 2020. The draw for the group stage placings took place on 10 December 2024. The competition ran from 25 July to 26 October 2025.
The final was played on 26 October 2025 at SuperValu Páirc UàChaoimh in Cork, between Knocknagree and Cill Na Martra, in what was their first ever meeting in the final. Knocknagree won the match by 2-17 to 0-17 to claim their first ever championship title.
Knocknagree's Anthony O'Connor was the championship's top scorer with 2-29.
Relegated from the Cork Premier Senior Football Championship
Promoted from the Cork Premier Intermediate Football Championship
Promoted to the Cork Premier Senior Football Championship
Relegated to the Cork Premier Intermediate Football Championship