| Competition: | Toppserien |
| Season: | 2012 |
| Winners: | Lillestrøm |
| Relegated: | Fart, Kattem |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Lillestrøm |
| League Topscorer: | Isabell Herlovsen (25 goals) |
| Biggest Home Win: | Røa 7–0 Fart |
| Biggest Away Win: | Fart 0–11 Arna-Bjørnar |
| Highest Scoring: | Fart 0–11 Arna-Bjørnar |
| Longest Wins: | 11 games - Røa[1] |
| Longest Unbeaten: | 15 games - Stabæk |
| Longest Winless: | 22 games - Fart |
| Matches: | 132 |
| Total Goals: | 501 |
| Attendance: | 26,068[2] |
| Average Attendance: | 197 |
| Prevseason: | 2011 |
| Nextseason: | 2013 |
The 2012 Toppserien was the twenty-sixth season of top-tier women's football in Norway since its establishment in 1987. A total of 12 teams contested the league, ten returning from the 2011 season and the two teams promoted from the First Division, Vålerenga and Fart.
The season started on 14 April 2012.
| Team | Location | Arena | Manager | |
|---|---|---|---|---|
| Amazon Grimstad | Grimstad | Levermyr Stadion | Margunn Haugenes | |
| Arna-Bjørnar | Bergen | Arna Stadion | Morten Kalvenes | |
| Fart | Vang | Fartbana | ||
| Kattem | Trondheim | Åsheim kunstgress | Steinar Mikkelsen | |
| Kolbotn | Kolbotn | Sofiemyr Stadion | Kjell S. H. Wold | |
| Klepp | Klepp | Klepp Stadion | Knut Eriksen | |
| Lillestrøm | Lillestrøm | LSK-Hallen | Ranveig Karlsen | |
| Røa | Oslo | Røa Kunstgress | Geir Nordby | |
| Sandviken | Bergen | Stemmemyren idrettsplass | Arne Møller | |
| Stabæk | Bærum | Nadderud Stadion | Øyvind Eide | |
| Trondheims-Ørn | Trondheim | DnB NOR Arena | Thomas Dahle | |
| Vålerenga | Oslo | Vallhall Arena | Anita Waage |
Kattem had to face second league's second-place finisher Medkila in a two-legged play-off match for the right to play in the 2013 Toppserien.[3] Kattem won the playoff, but subsequently withdrew their team from the league. Medkila were promoted to take their place in Toppserien.
| Rank | Player | Club | Goals[4] |
|---|---|---|---|
| 1 |  Isabell Herlovsen | LSK Kvinner | 25 |
| 2 | Ada Hegerberg | Stabæk | 22 |
| 3 | Cecilie Pedersen | LSK Kvinner | 19 |
| 4 | Cathrine Dyngvold | Klepp | 15 |
| 5 | Lene Mykjåland | Røa | 13 |
| 6 | Guro Reiten | Kattem | 11 |
| Elise Thorsnes | Røa | ||
| Amalie Eikeland | Arna-Bjørnar | ||
| 9 | Melissa Bjånesøy | Sandviken | 10 |
| Gry Ims | Klepp |