The 2016 Galway Senior Football Championship is the 121st edition of the Galway GAA's premier club Gaelic football tournament for senior graded teams in County Galway, Ireland. The tournament consists of 21 teams (N.U.I.G. only enter at the Preliminary Quarter-Final Stage), with the winner going on to represent Galway in the Connacht 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.