| Competition: | 1. divisjon |
| Dates: | 11 July 2020 – 22 November 2020 |
| Season: | 2020 |
| Winners: | Stabæk |
| Promoted: | Stabæk |
| Matches: | 90 |
| Total Goals: | 334 |
| League Topscorer: | Melissa Bjånesøy (25 goals) |
| Biggest Home Win: | Stabæk 9–1 Amazon Grimstad (15 November 2020) |
| Biggest Away Win: | Fløya 0–6 Åsane (17 October 2020) Hønefoss 0–6 Øvrevoll Hosle (10 October 2020) |
| Highest Scoring: | Stabæk 9–1 Amazon Grimstad (15 November 2020) |
| Prevseason: | 2019 |
| Nextseason: | 2021 |
| Updated: | 22 November 2020 |
The 2020 1. divisjon was the 36th season of the 1. divisjon, the second-tier Norwegian women's football division, and the 19th season under the current format.The season started on 11 July 2020 and ended on 22 November 2020[1]
Stabæk won the league and were thus promoted to the Toppserien.
Due to the COVID-19 pandemic, the season's starting date was delayed and the format changed, there will be no play-offs this season.Starting from 2021 the league will assume a new format.
The teams were reduced from 12 teams to 10 as four teams relegated from the previous season, Grand Bodø were relegated after losing to KIL/Hemne at the relegation play-offs. In addition, Stabæk and Fart were relegated from the 2019 Toppserien.The winner will be promoted to the 2021 Toppserien automatically while the second placed team will enter a play-off with the 2020 Toppserien best relegating team, there would be no relegation this season.
The league's runners-up, Medkila, faced Kolbotn, the 9th placed team in the 2020 Toppserien, in a two-legged play-off to decide who will play in the 2021 Toppserien.
Kolbotn won 6–2 on aggregate.
| Rank | Player | Club | Goals[2] |
|---|---|---|---|
| 1 |  Melissa Bjånesøy | Stabæk | 25 |
| 2 | Silje Bekkåsen Nyhagen | Hønefoss | 18 |
| 3 | Zara Jönsson | Stabæk | 14 |
| 4 | Cathrine Dyngvold | Amazon Grimstad | 11 |
 Milena Kokosz | Åsane | ||
| Anna Østrem | Åsane | ||
| 7 | Joshualyn Favour Reeves | Øvrevoll Hosle | 10 |
| 8 | Agnethe Olaug Mathisen | Medkila IL | 9 |
| 9 | Maiken Elise Bjørndalen | Stabæk | 8 |
| 10 | 4 players |