The 1951 Cork Senior Football Championship was the 63rd staging of the Cork Senior Football Championship since its establishment by the Cork County Board in 1887.
Garda were the defending champions, however, they were beaten by St Nicholas' in the semi-finals.
On 21 October 1951, Collins won the championship following a 2–03 to 1–05 defeat of St. Nicholas' in the final at the Cork Athletic Grounds. This was their third championship title overall and their first title since 1949.
Results First round
Second round
St Vincent's received a bye in this round.
Third round
St Nicholas' received a bye in this round.
Semi-finals
Final
References