The 1979–80 FIBA Korać Cup was the ninth edition of FIBA's Korać Cup basketball competition.

The Italian Arrigoni Rieti defeated the Yugoslav Cibona in the final on March 26, 1980 in Liège, Belgium.

Arrigoni Rieti's victory ended four years of consecutive wins by Yugoslav teams.

March 26, Country Hall du Sart Tilman, Liège