2017 Laois Senior Football Championship
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.
O'Dempsey's made a straight return to the senior grade after just one year outside the top flight. For this season Clonaslee–St Manman's amalgamated with Annanough for their championship matches as Clonaslee Gaels. Annanough continue to play in the IFC also.
Mountmellick were relegated to the 2018 I.F.C. after 11 years in the top-flight.