The 2023 Cork Senior A Football Championship was the fourth 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 11 December 2022. The championship ran from 28 July to 11 November 2023.
The final was played on 11 November 2023 at Páirc UàChaoimh in Cork, between Newcestown and Dohenys, in what was their first ever meeting in the final. Newcestown won the match by 0-13 to 0-08 to claim their first ever championship title. They were the first team to complete the double, having earlier claimed the Cork SAHC title.
Newcestown's David Buckley was the championship's top scorer with 0-37.
Promoted from the Cork Premier Intermediate Football Championship
Relegated from the Cork Premier Senior Football Championship
Promoted to the Cork Premier Senior Football Championship
Relegated to the Cork Premier Intermediate Football Championship