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The 1989–90 Yugoslav Cup was the 42nd season of the top football knockout competition in SFR Yugoslavia, the Yugoslav Cup (Serbo-Croatian: Kup Jugoslavije), also known as the "Marshal Tito Cup" (Kup Maršala Tita), since its establishment in 1946. In total, 5,378 clubs across SFR Yugoslavia took part in the competition.
First round
In the following tables winning teams are marked in bold; teams from outside top level are marked in italic script.