The 2017 Laois Senior Football Championship was the 127th edition of the Laois GAA's premier club Gaelic football tournament for senior graded teams in County Laois, Ireland. The tournament consisted of 16 teams with the winner going on to represent Laois in the Leinster Senior Club Football Championship. The championship had 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. Stradbally were the defending champions after they defeated Portlaoise in the previous years final.