The 1946 Cork Senior Football Championship was the 58th staging of the Cork Senior Football Championship since its establishment by the Cork County Board in 1887. The draw for the first round fixtures took place on 27 January 1946. The championship ran from 7 April to 24 November 1946.
Fermoy were the defending champions.
The final was played on 24 November 1946 at the Athletic Grounds in Cork, between Clonakilty and Fermoy, in what was their fifth consecutive meeting in the final. Clonakilty won the match by 1–02 to 0–03 to claim their fifth championship title overall and a first title in two years.
Results First round
Second round
Semi-finals
Final
References