| 1986–87 Yugoslav First Basketball League | |
| League: | Yugoslav First Basketball League |
| Sport: | Basketball |
| Duration: | 17 March – 21 April 1987 (Playoffs) |
| Season: | Regular season |
| Season Champs: | Cibona |
| Playoffs: | Playoffs |
| Finals Champ: | Partizan |
| Finals Runner-Up: | Crvena Zvezda |
| Seasonslistnames: | Yugoslav First Basketball League |
| Prevseason Link: | 1985–86 Yugoslav First Basketball League |
| Prevseason Year: | 1985–86 |
| Nextseason Year: | 1987–88 |
| Nextseason Link: | 1987–88 Yugoslav First Basketball League |
The 1986–87 Yugoslav First Basketball League season was the 43rd season of the Yugoslav First Basketball League, the highest professional basketball league in SFR Yugoslavia.
| SR Croatia | SR Serbia | SR Bosnia and Herzegovina | SR Macedonia | SR Montenegro |
| width=40 | width=220 | Regular season ranking 1986-87 | G | V | P | PF | PS | Pt | |
|---|---|---|---|---|---|---|---|---|---|
| 1. | Cibona | 22 | 22 | 0 | 2242 | 1960 | 44 | ||
| 2. | Partizan | 22 | 18 | 4 | 2105 | 1950 | 40 | ||
| 3. | Jugoplastika | 22 | 15 | 7 | 2040 | 1816 | 37 | ||
| 4. | Crvena Zvezda | 22 | 15 | 7 | 1974 | 1860 | 37 | ||
| 5. | Šibenka | 22 | 12 | 10 | 2006 | 1982 | 34 | ||
| 6. | Bosna | 22 | 12 | 10 | 1950 | 1914 | 34 | ||
| 7. | Zadar | 22 | 9 | 13 | 1897 | 1979 | 31 | ||
| 8. | MZT Skopje | 22 | 7 | 15 | 1771 | 1892 | 29 | ||
| 9. | Budućnost | 22 | 7 | 15 | 1826 | 2010 | 29 | ||
| 10. | Borac Čačak | 22 | 7 | 15 | 1839 | 1968 | 27 | ||
| 11. | Sloboda Dita Tuzla | 22 | 5 | 17 | 1816 | 1957 | 27 | ||
| 12. | KGD Rabotnički | 22 | 3 | 19 | 1758 | 2036 | 25 |
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.
The winning roster of Partizan:[1]
Coach: Duško Vujošević
| Top placed team in each group advanced to semifinals |
Titov Vrbas tournament
| Prizren tournament
|
Zenica tournament
| Čakovec tournament
|