| Competition: | 2. divisjon |
| Season: | 2012 |
| Winners: | Elverum, Kristiansund, Vard Haugesund, Follo |
| Prevseason: | 2011 |
| Nextseason: | 2013 |
The 2012 2. divisjon season began on 14 April 2012 and ended on 27 October 2012.[1] The league consisted of 56 teams divided into 4 groups of 14 teams.[2] The four group-winners, Elverum, Kristiansund, Vard Haugesund and Follo was promoted to the 1. divisjon, while the bottom three teams in each groups was relegated to the 3. divisjon.
Asker, Løv-Ham (replaced by Fyllingsdalen[3] [4] [5]), Nybergsund-Trysil and Randaberg were relegated from the 2011 1. divisjon,[6] while Ullensaker/Kisa, Bærum, Notodden and Tromsdalen were promoted to the 2012 1. divisjon.
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.
Østsiden, Gjøvik FF, Grorud, Birkebeineren, Jerv, Egersund,[7] [8] Brann 2, Fana, Træff, Buvik, Mo and Finnsnes were promoted from 2011 3. Divisjon as winners of their groups.
| Competition: | 2. Divisjon, group 1 |
| Season: | 2012 |
| Winners: | Elverum |
| Relegated: | Ørn-Horten, Lillehammer, Brumunddal |
| Matches: | 182 |
| Total Goals: | 615 |
| League Topscorer: | Jean Alassane Mendy (25 goals)[9] |
| Biggest Home Win: | Raufoss 7-0 Strømsgodset 2[10] |
| Biggest Away Win: | Gjøvik 0-5 Raufoss |
| Highest Scoring: | Strømsgodset 2 4-4 Grorud |
| Longest Wins: | 6 games – Elverum, Raufoss, Strømsgodset 2[11] |
| Longest Unbeaten: | 10 games – Raufoss, Grorud, Lillehammer |
| Longest Winless: | 14 games – Brumunddal |
| Longest Losses: | 6 games – Brumunddal |
| Competition: | 2. Divisjon, group 2 |
| Season: | 2012 |
| Winners: | Kristiansund |
| Relegated: | Skeid, Buvik, Aalesund 2 |
| Matches: | 182 |
| Total Goals: | 743 |
| League Topscorer: | Karim Aoudia (24 goals)[12] |
| Biggest Home Win: | Molde 2 8-0 Rosenborg 2[13] |
| Biggest Away Win: | Aalesund 2 1-8 Rosenborg 2 |
| Highest Scoring: | Træff 7-3 Aalesund 2 |
| Longest Wins: | 11 games – Kristiansund[14] |
| Longest Unbeaten: | 21 games – Kristiansund |
| Longest Winless: | 12 games – Aalesund 2 |
| Longest Losses: | 12 games – Aalesund 2 |
| Competition: | 2. Divisjon, group 3 |
| Season: | 2012 |
| Winners: | Vard Haugesund |
| Relegated: | Jerv, Mandalskameratene, Randaberg |
| Matches: | 182 |
| Total Goals: | 650 |
| League Topscorer: | Øyvind Gausdal (23 goals)[15] |
| Biggest Home Win: | Brann 2 6-1 Odd Grenland 2[16] |
| Biggest Away Win: | Mandalskameratene 2-7 Vindbjart |
| Highest Scoring: | Brann 2 5-4 Nest-Sotra |
| Longest Wins: | 6 games – Pors Grenland[17] |
| Longest Unbeaten: | 12 games – Vard Haugesund |
| Longest Winless: | 12 games – Mandalskameratene |
| Longest Losses: | 6 games – Brann 2 |
| Competition: | 2. Divisjon, group 4 |
| Season: | 2012 |
| Winners: | Follo |
| Relegated: | Mjølner, Finnsnes, Stabæk 2 |
| Matches: | 182 |
| Total Goals: | 624 |
| League Topscorer: | Eirik Markegård (19 goals)[18] |
| Biggest Home Win: | Frigg 7-1 Asker[19] |
| Biggest Away Win: | Østsiden 1-5 Moss |
| Highest Scoring: | Senja 5-3 Moss |
| Longest Wins: | 8 games – Senja[20] |
| Longest Unbeaten: | 13 games – Lørenskog |
| Longest Winless: | 8 games – Frigg |
| Longest Losses: | 5 games – Tromsø 2, Finnsnes, Stabæk 2 |