The 2015–16 season was Dunfermline Athletic's third and final season in the Scottish League One, having been relegated from the Scottish First Division at the end of the 2012–13 season. In addition to the league, Dunfermline Athletic also competed in the Challenge Cup, League Cup and the Scottish Cup, where they were knocked out by St Mirren, Dundee United and Ross County respectively. The club won the league on 26 March with five matches to spare, after defeating Brechin City 3–1 at East End Park. This, together with bottom side and Fife rivals Cowdenbeath unexpectedly beating the Pars nearest rivals Peterhead 1–0, saw Dunfermline return to the second tier for the first time since 2013.