The 2020–21 Handbollsligan was the 87th season of the top division of Swedish handball.
15 teams competed in the league.
The eight highest placed teams qualified for the playoffs, whereas teams 11–13 had to play relegation playoffs against teams from the second division, and teams 14 and 15 were relegated automatically.
IK Sävehof won the regular season and also won the playoffs to claim their seventh Swedish title.
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