In the 2016 Longford Senior Football Championships, there were 14 teams grouped into groups A, B, and C.
The 2016 tournament consisted of 12 teams, with the winner going on to represent Longford in the Leinster Senior Club Football Championship. 
Group A and B consist of 4 teams with 3 progressing to the Quarter-Finals. Group C consist of the 4 teams involved in the 2015 S.F.C. 
All 12 teams enter the competition at this stage. 
