The 2017 Armagh Senior Football Championship is the 117th official edition of Armagh GAA's premier gaelic football competition for senior clubs and was won by Armagh Harps. The tournament consisted of 16 teams with the winner, Armagh Harps receiving the Gerry Fegan Cup and representing Armagh in the Ulster Senior Club Football Championship. The championship has a backdoor format for the first two rounds where any team to lose two matches will be eliminated before proceeding to a knock-out format.