The 2013 1. divisjon (referred to as Adeccoligaen for sponsorship reasons) was a Norwegian second-tier football league season.
The season began on 6 April 2013 and was concluded on 3 November 2013.
From the 2012 1. divisjon, Start and Sarpsborg 08 won promotion to Tippeligaen,[6] while Stabæk and Fredrikstad were relegated to the First Division.
[7] Tromsdalen, Bærum, Notodden and Alta were relegated from the 2012 1. divisjon, while Elverum, Kristiansund, Vard Haugesund and Follo were promoted from the 2012 2. divisjon.
At the end of the season Bodø/Glimt and Stabæk won promotion to the 2014 Tippeligaen, while Vard Haugesund, Kongsvinger Elverum and Follo was relegated to the 2. divisjon.