| Season | 2012 | 
|---|---|
| Champions | Elverum, Kristiansund, Vard Haugesund, Follo | 
| ← 2011
 
2013 → | |
| Season | 2012 | 
|---|---|
| Champions | Elverum | 
| Relegated | Ørn-Horten, Lillehammer, Brumunddal | 
| Matches played | 182 | 
| Goals scored | 615 (3.38 per match) | 
| Top goalscorer | Jean Alassane Mendy (25 goals) | 
| Biggest home win | Raufoss 7-0 Strømsgodset 2 | 
| Biggest away win | Gjøvik 0-5 Raufoss | 
| Highest scoring | Strømsgodset 2 4-4 Grorud | 
| Longest winning run | 6 games - Elverum, Raufoss, Strømsgodset 2 | 
| Longest unbeaten run | 10 games - Raufoss, Grorud, Lillehammer | 
| Longest winless run | 14 games - Brumunddal | 
| Longest losing run | 6 games - Brumunddal | 
| Season | 2012 | 
|---|---|
| Champions | Kristiansund | 
| Relegated | Skeid, Buvik, Aalesund 2 | 
| Matches played | 182 | 
| Goals scored | 743 (4.08 per match) | 
| Top goalscorer | Karim Aoudia (24 goals) | 
| Biggest home win | Molde 2 8-0 Rosenborg 2 | 
| Biggest away win | Aalesund 2 1-8 Rosenborg 2 | 
| Highest scoring | Træff 7-3 Aalesund 2 | 
| Longest winning run | 11 games - Kristiansund | 
| Longest unbeaten run | 21 games - Kristiansund | 
| Longest winless run | 12 games - Aalesund 2 | 
| Longest losing run | 12 games - Aalesund 2 | 
| Season | 2012 | 
|---|---|
| Champions | Vard Haugesund | 
| Relegated | Jerv, Mandalskameratene, Randaberg | 
| Matches played | 182 | 
| Goals scored | 650 (3.57 per match) | 
| Top goalscorer | Øyvind Gausdal (23 goals) | 
| Biggest home win | Brann 2 6-1 Odd Grenland 2 | 
| Biggest away win | Mandalskameratene 2-7 Vindbjart | 
| Highest scoring | Brann 2 5-4 Nest-Sotra | 
| Longest winning run | 6 games - Pors Grenland | 
| Longest unbeaten run | 12 games - Vard Haugesund | 
| Longest winless run | 12 games - Mandalskameratene | 
| Longest losing run | 6 games - Brann 2 | 
| Season | 2012 | 
|---|---|
| Champions | Follo | 
| Relegated | Mjølner, Finnsnes, Stabæk 2 | 
| Matches played | 182 | 
| Goals scored | 624 (3.43 per match) | 
| Top goalscorer | Eirik Markegård (19 goals) | 
| Biggest home win | Frigg 7-1 Asker | 
| Biggest away win | Østsiden 1-5 Moss | 
| Highest scoring | Senja 5-3 Moss | 
| Longest winning run | 8 games - Senja | 
| Longest unbeaten run | 13 games - Lørenskog | 
| Longest winless run | 8 games - Frigg | 
| Longest losing run | 5 games - Tromsø 2, Finnsnes, Stabæk 2 | 
The 2012 2. Divisjon season began on 14 April 2012 and ended on 27 October 2012. The league consisted of 56 teams divided into 4 groups of 14 teams. The four group-winners, Elverum, Kristiansund, Vard Haugesund and Follo was promoted to the First Division, while the bottom three teams in each groups was relegated to the 3. Divisjon.
Asker, Løv-Ham (replaced by Fyllingsdalen), Nybergsund-Trysil and Randaberg were relegated from the 2011 Norwegian First Division, while Ullensaker/Kisa, Bærum, Notodden and Tromsdalen were promoted to the 2012 Norwegian First Division.
Tiller, Strindheim, Steinkjer, Herd, Jevnaker, Viking 2, Førde, Austevoll, Harstad, Hasle-Løren, Skarp along with Manglerud Star, who withdrew their team, were relegated from 2011 2. Divisjon.