The 2015 Armagh Senior Football Championship is the 115th official edition of the Armagh GAA's premier club Gaelic football tournament for senior graded teams in County Armagh. The tournament consists of 16 teams with the winner going on to represent Armagh in the Ulster Senior Club Football Championship. The championship has a back-door format for the first two rounds before proceeding to a knock-out format. Generally, any team to lose two matches will be knocked out of the championship. This was St. Paul's, Wolfe Tones' and Forkhill's return to the senior grade.