1990–91 Eliteserien (Denmark) season

The 1990–91 Eliteserien season was the 34th season of ice hockey in Denmark. Eight teams participated in the league, and Herning IK won the championship. Rungsted IK was relegated to the 1. division.

Playoffs
The top 4 teams from the regular season qualified for the playoffs. Herning IK defeated the Rødovre Mighty Bulls in the final, and AaB Ishockey defeated Herlev IK in the 3rd place game.