| Competition: | Toppserien |
| Season: | 2015 |
| Winners: | LSK Kvinner |
| Relegated: | Amazon Grimstad |
| Continentalcup1: | Champions League |
| League Topscorer: | Isabell Herlovsen (19 goals) |
| Biggest Home Win: | Kolbotn 10–0 Medkila |
| Biggest Away Win: | Medkila 0–7 Avaldsnes |
| Highest Scoring: | Kolbotn 10–0 Medkila |
| Longest Wins: | 6 games - LSK Kvinner |
| Longest Unbeaten: | 15 games - LSK Kvinner |
| Longest Winless: | 10 games - Medkila |
| Matches: | 114 |
| Total Goals: | 388 |
| Attendance: | 29,726 |
| Average Attendance: | 225 |
| Prevseason: | 2014 |
| Nextseason: | 2016 |
The 2015 Toppserien is the twenty-nine season of top-tier women's football in Norway since its establishment in 1987. A total of 12 teams contested for the league, eleven returning from the 2014 season and the one teams promoted from the First Division, Sandviken.
The season started on 28 March 2015 and ended on 7 November 2015.
| Team | Location | Arena | Manager | |
|---|---|---|---|---|
| Amazon Grimstad | Grimstad | Levermyr Stadion | Margunn Haugenes | |
| Arna-Bjørnar | Bergen | Arna Stadion | Morten Røssland | |
| Avaldsnes | Avaldsnes | Avaldsnes Idrettssenter | Colin Bell | |
| Kolbotn | Kolbotn | Sofiemyr Stadion | Cecilie Berg-Hansen | |
| Klepp | Klepp | Klepp Stadion | Jon Pall Palmason | |
| Lillestrøm | Lillestrøm | LSK-Hallen | Monica Knudsen | |
| Medkila | Harstad | Harstad Stadion | Roy Berntsen | |
| Røa | Oslo | Røa Kunstgress | Geir Nordby | |
| Grand Bodø | Sandviken | Stemmemyren idrettsplass | Øystein Nordtveit | |
| Stabæk | Bærum | Nadderud Stadion | Øyvind Eide | |
| Trondheims-Ørn | Trondheim | Ranheim Arena | Trond Nordsteien | |
| Vålerenga | Oslo | Vallhall Arena | David Brocken |
Medkila won the relegation-playoff 3–0 and 5–0 against Grand Bodø and remained in the league.[1]
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 |  Isabell Herlovsen | LSK Kvinner | 19 |
| 2 | Cecilie Pedersen | Avaldsnes | 18 |
| 3 | Hege Hansen | Klepp | 13 |
| 4 | Lene Mykjåland | LSK Kvinner | 11 |
| 5 | Lise-Marie Utland | Trondheims-Ørn | 10 |
| Elise Thorsnes | Avaldsnes | ||
| 7 |  Hólmfríður Magnúsdóttir | Avaldsnes | 9 |
| Synne Skinnes Hansen | Røa | ||
| Emilie Haavi | LSK Kvinner | ||
| 10 |  Rosie Malone-Povolny | Medkila | 8 |
| Gry Tofte Ims | Klepp |