 1980–81 Yugoslav First Basketball League

The 1980–81 Yugoslav First Basketball League season was the 37th season of the Yugoslav First Basketball League, the highest professional basketball league in SFR Yugoslavia.The season ended with Partizan winning the league championship; despite finishing the season with an identical 19-3 record as Cibona, Partizan was better in their seasonal head-to-head, winning both of their contests during the season.