2018 Tipperary Senior Football Championship consisted of 16 clubs and it began with a Group stage, Clonmel Commercials were the defending champions
The tournament consisted of 16 clubs with the winner going on to represent Tipperary in the Munster Senior Club Football Championship. The championship began with a Group stage before proceeding to a knock-out format. Clonmel Commercials were the defending champions, however the defence of their title came undone at the Semi-Final stage when losing to eventual champions Moyle Rovers. 
