The 1987 Cork Senior Football Championship was the 99th staging of the Cork Senior Football Championship since its establishment by the Cork County Board in 1887. The draw for the opening round fixtures took place on 21 December 1986. The championship began on 2 May 1987 and ended on 15 November 1987. Imokilly entered the championship as the defending champions. On 15 November 1987, Nemo Rangers won the championship following a 2-11 to 0-09 defeat of Imokilly in the final. This was their eighth championship title overall and their first title since 1983.