The 1943 Cork Senior Football Championship was the 55th 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 31 January 1943. The championship ran from 21 March to 17 October 1943.
Clonakilty were the defending champions.
The final was played on 17 October 1943 at the Mardyke in Cork, between Clonakilty and Fermoy, in what was their second consecutive meeting in the final. Clonakilty won the match by 2–05 to 1–04 to claim their third championship title overall and a second consecutive title.
Group 1 First round
Fermoy received a bye in this round.
Second round
Kickhams received a bye in this round.
Third round
Group 2 First round
St Nicholas' received a bye in this round.
Second round
Seandún received a bye in this round.
Third round
Group 3 First round
Duhallow received a bye in this round.
Second round
Group 4 First round
Second round
Knockout stage Semi-finals
Final
References