The 2020 Toppserien was the 34th season of the highest women's football league in Norway. The season was to start initially on 21 March 2020 but due to the effects of the COVID-19 pandemic, it was delayed. It finally commenced on 3 July 2020 and ended on 6 December 2020. This season featured just 10 teams. Vålerenga won their first Toppserien title on goal difference after finishing second the previous season.