The 2013 Cork Senior Football Championship was the 115th staging of the Cork Senior Football Championship since its establishment by the Cork County Board in 1887. The championship began on 19 March 2013 and ended on 13 October 2013.
Castlehaven entered the championship as the defending champions.
On 13 October 2013, Castlehaven won the championship following a 0-16 to 1-11 defeat of nemo Rangers in the final. This was their 5th championship title overall and their second title in succession.
Castlehaven's Brian Hurley was the championship's top scorer with 3-47.
Promoted from the Cork Premier Intermediate Football Championship
Relegated to the Cork Premier Intermediate Football Championship