The 2018 Toppserien was the 35th season of the highest women's football league in Norway.

LSK Kvinner entered the season as the defending champions.

LSK Kvinner won their fifth consecutive title with five matchdays to spare.

[1] At the end of the year Norwegian Football awards Guro Reiten of LSK Kvinner won the 2018 Golden Boot, 2018 Player of the Year and 2018 Goal of the Year awards.

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