 Drøbak/Frogn, Skedsmo, Lyn, Eidsvold Turn, Arendal, Viking 2, Arna-Bjørnar, Førde, Skarbøvik, Strindheim, Harstad and Bossekop were promoted from 2012 3. divisjon as winners of their groups.The 4 teams relegated from the 1. divisjon and the 12 teams promoted from the 3. divisjon, will join the 40 teams positioned in 2nd to 11th place in last season's 2. divisjon.The league consisted of 56 teams divided into 4 groups