The 2020–21 SDHL season was the 14th season of the Swedish Women's Hockey League (Swedish: Svenska damhockeyligan; SDHL). The season began on 12 September 2020 and concluded on 26 February 2021. All ten teams were able to complete a full 36-game regular season. The season marked the return to play for the SDHL after the 2019–20 season championship finals were cancelled due to the COVID-19 pandemic in Sweden.