2012 Norwegian First Division
The 2012 1. divisjon was a Norwegian second-tier football season. The season began on 9 April 2012 and ended on 11 November 2012.
Two clubs, Start and Sarpsborg, were relegated from the 2011 Tippeligaen, while Notodden, Tromsdalen, Ull/Kisa, and Bærum were promoted from the 2011 2. divisjon.
Asker, Nybergsund-Trysil, Randaberg and Løv-Ham were relegated to the 2012 2. divisjon
At the end of the season, the two best teams were promoted to the 2013 Tippeligaen, while the four worst placed teams were relegated to the 2013 2. divisjon.
Teams
| Team | Location | Arena | Capacity | Manager |
| Alta | Alta | Finnmarkshallen | 1,000 | Rune Berger |
| Bodø/Glimt | Bodø | Aspmyra Stadion | 7,400 | Cato André Hansen |
| Bryne | Bryne | Bryne Stadion | 10,000 | Gaute Larsen |
| Bærum | Sandvika | Sandvika Stadion | 1,500 | Morten Tandberg |
| HamKam | Hamar | Briskeby Arena | 10,200 | Vegard Skogheim |
| Hødd | Ulsteinvik | Høddvoll Stadion | 3,120 | Lars Arne Nilsen |
| Kongsvinger | Kongsvinger | Gjemselund Stadion | 5,202 | Tom Nordlie |
| Mjøndalen | Mjøndalen | Nedre Eiker Stadion | 2,600 | Vegard Hansen |
| Notodden | Notodden | Notodden Stadion | 3,000 | Kenneth Dokken |
| Ranheim | Ranheim | DnB NOR Arena | 2,000 | Aasmund Bjørkan |
| Sandefjord | Sandefjord | Komplett.no Arena | 9,000 | Arne Sandstø |
| Sarpsborg 08 | Sarpsborg | Sarpsborg Stadion | 5,000 | Roar Johansen |
| IK Start | Kristiansand | Sør Arena | 14,300 | Mons Ivar Mjelde |
| Strømmen | Strømmen | Strømmen Stadion | 3,000 | Erland Johnsen |
| Tromsdalen | Tromsø | Tromsdalen Stadion | 3,000 | Morten Pedersen |
| Ull/Kisa | Jessheim | UKI Arena | 3,000 | Arne Erlandsen |
League table
Start and Sarpsborg were directly promoted, and five teams entered a play-off for the last Tippeligaen spot in the 2013 season. These were:
The four Adeccoligaen teams first played a single game knockout tournament, with the winner advancing to a two-legged tie against the Tippeligaen team for the 16th and final spot in the 2013 season. Sandnes Ulf retained their Tippeligaen spot with an aggregate 7–1 win over Ull/Kisa.
Source: