| 1990 PBL season | |
|---|---|
| Duration | March 31 – December 19, 1990 |
| Number of teams | 7 + 1 |
| TV partner(s) | PTV |
| Season MVP | Jun Limpot Johnny Abarrientos Eugene Quilban |
| Maharlika Cup champions | Magnolia Ice Cream |
| Maharlika Cup runners-up | Philips Sardines |
| Challenge Cup champions | Crispa 400 |
| Challenge Cup runners-up | Philips Sardines |
| Philippine Cup champions | Sta. Lucia Realtors |
| Philippine Cup runners-up | Burger City |
The 1990 season of the Philippine Basketball League (PBL).