The 1988 TFL Statewide League premiership season was an Australian rules football competition, staged across Tasmania, Australia over eighteen (18) roster rounds and six (6) finals series matches between 2 April and 17 September 1988.This was the third season of statewide football and the League was known as the Cascade-Boags Statewide League under a dual commercial naming-rights sponsorship agreement with both Cascade Brewery in Hobart and Boag's Brewery in Launceston.