The 1887 Cork Senior Football Championship was the inaugural staging of the Cork Senior Football Championship since its establishment by the Cork County Board. The draw for the opening round fixtures took place on 30 January 1887. The championship began on 6 March 1887 and ended on 10 July 1887. On 10 July 1887, Lees won the championship following a 0-04 to 0-01 defeat of Lisgoold in the final at Cork Park. The club subsequently represented Cork in the 1887 All-Ireland Championship.