The 2025 Toppserien was the 42nd season of the highest women's football league in Norway. The season started 21 March 2025 and ended 15 November 2025, not including play-off matches.
Hønefoss and Bodø/Glimt were promoted from the 2024 First Division. They replaced Arna-Bjørnar and àsane, who were relegated from the 2024 Toppserien.
The league consists of 10 teams who play each other three times, totalling 27 matches per team.
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The ninth placed team will face the fourth placed team of the First Division in a two-legged play-off to decide who will play in the Toppserien next season.