The 1990–91 Yugoslav Ice Hockey League season was the 49th and final season of the Yugoslav Ice Hockey League, the top level of ice hockey in Yugoslavia. 10 teams participated in the league, and Medveščak won the championship. For the 1991–92 season, Croatia, Serbia, and Slovenia set up their own national leagues.

1. Medveščak
2. Olimpija
3. Red Star
4. Jesenice
5. Vojvodina Novi Sad
6. Bled
7. Spartak Subotica
8. Partizan
9. Mladost
10. Slavija

• Season on eurohockey.com
• Yugoslav Ice Hockey League seasons