1984–85 Yugoslav First Basketball League

The 1984–85 Yugoslav First Basketball League season was the 41st season of the Yugoslav First Basketball League, the highest professional basketball league in SFR Yugoslavia.

Results
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Playoff
Only the top four placed league table teams qualified for the playoffs quarterfinal automatically.

Teams placed fifth, sixth, seventh, eighth, ninth, and tenth were joined by the top two Second League teams for an 8-team play-in round. The winner of each best-of-three series advanced to the playoffs quarterfinal round.

E- IB League east division champion

W- IB League west division champion

PLAY-IN QUALIFYING ROUND

Borac Čačak-Sloga 116-91, 83-101, 118-100

Partizan-Rabotnički 110-89, 95-90

Budućnost-Jugoplastika 82-79, 89-101, 95-91

Šibenka-Olimpija 83-89, 77-87

QUARTERFINALS

Cibona-Borac Čačak 107-87, 108-85

Bosna-Partizan 91-84, 98-111, 97-98

Crvena zvezda-Budućnost 97-85, 79-95, 90-87

Zadar-Olimpija 111-86, 82-89, 100-97

SEMIFINALS

Cibona-Partizan 115-103, 79-75

Crvena zvezda-Zadar 97-86, 90-85

FINALS

Cibona-Crvena zvezda 97-88, 89-92, 119-106

The winning roster of Cibona:
 * Dražen Petrović
 * Mihovil Nakić
 * Aleksandar Petrović
 * Adnan Bečić
 * Andro Knego
 * Sven Ušić
 * Zoran Čutura
 * Franjo Arapović
 * Ivo Nakić
 * Branko Vukićević
 * Igor Lukačić

Coach: Željko Pavličević

Scoring leaders

 * 1) Dražen Petrović (Cibona) – ___ points (32.0ppg)

Qualification in 1985–86 season European competitions
FIBA European Champions Cup
 * Cibona (champions)

FIBA Cup Winners' Cup
 * Jugoplastika (Cup finalist)

FIBA Korać Cup
 * Crvena Zvezda (2nd)
 * Zadar (3rd)
 * Bosna (4th)
 * Partizan (5th)