The Sligo Football League, Division 4, is an annual Gaelic Athletic Association club league competition between the Sligo clubs operating in what is effectively the second tier of the Intermediate League (the higher of the two being Division 3).
This League was introduced in 2006 as Division 2B, with Owenmore Gaels the first winners.
St. Molaise Gaels were champions in 2008.
It has been renamed as Division 4 since the 2008 season.
Since its inception in 1979 up to 2003, it was regarded as Division 2 of the league.