1989–90 ACB season
| 1989-90 ACB season | |
|---|---|
| League | Liga ACB |
| Sport | Basketball |
| Duration | September 19, 1989 - May 30, 1990 |
| Number of teams | 24 |
| TV partner(s) | Televisión Española |
| Regular Season | |
| Season champions | FC Barcelona |
| Playoffs | |
| ACB Finals | |
| Champions | FC Barcelona |
The 1989–90 ACB season was the 7th season of the Liga ACB, after changing its name. The competition format was the same as the previous season.
FC Barcelona won their 4th ACB title, and their 7th overall. It was their 4th ACB title in a row.