1979–80 Yugoslav First Basketball League

The 1979–80 Yugoslav First Basketball League season was the 36th season of the Yugoslav First Basketball League, the highest professional basketball league in SFR Yugoslavia.

Dražen Petrović's league debut
The season saw the pro debut of fifteen-year-old Dražen Petrović. He appeared in 8 games for Šibenka throughout the season, scoring a total of 13 points. His scoring debut occurred on 29 December 1979 at home against OKK Beograd (Beko), a contest fifteen-year-and-two-month-old Petrović entered by coming on for Šibenka's veteran point guard Zoran Slavnić, who in addition to playing also shared the team's head coaching duties with Vojislav Vezović.

Classification
The winning roster of Bosna:
 * Borislav Vučević
 * Emir Mutapčić
 * Predrag Benaček
 * Boško Bosiočić
 * Nihad Izić
 * Ratko Radovanović
 * Dragan Zrno
 * Žarko Varajić
 * Mirza Delibašić
 * Sabahudin Bilalović
 * Sabit Hadžić
 * Miroljub Mitrović

Coach: Bogdan Tanjević

Scoring leaders

 * 1) Branko Skroče (Zadar) - ___ points (31.8ppg)
 * 2) Dražen Dalipagić (Partizan) - ___ points (31.4ppg)

Qualification in 1980-81 season European competitions
FIBA European Champions Cup
 * Bosna (champions)

FIBA Cup Winner's Cup
 * Cibona (Cup winners)

FIBA Korać Cup
 * Jugoplastika (2nd)
 * Partizan (4th)
 * Crvena Zvezda (5th)
 * Zadar (6th)