The 2012–13 Scottish Football League Third Division (known as the Irn Bru Scottish Football League Third Division for sponsorship reasons) was the 18th season in the current format of 10 teams in the fourth tier of Scottish football. Alloa Athletic were the current champions. Rangers were confirmed as champions after a goalless away draw with Montrose on 30 March.They were presented with the trophy after a 1–0 win against Berwick Rangers on 4 May in front of 50,048.