The 1990-1991 European Cup was the 26th edition of the European Cup, IIHF's premier European club ice hockey tournament. The season started on October 19, 1990, and finished on December 30, 1990.
The tournament was won by Djurgårdens IF, who beat Dynamo Moscow in the final.
HC Lugano, Sparta Praha, TPS, Düsseldorfer EG : bye