| 1990 PBA season | |
|---|---|
| Duration | February 18, 1990 – December 20, 1990 |
| Number of teams | 8 |
| TV partner(s) | Vintage Sports (PTV) |
| 1990 PBA Draft | |
| Top draft pick | Peter Jao |
| Picked by | Presto Tivolis |
| Season MVP | Allan Caidic (Presto Tivolis) |
| First Conference champions | Formula Shell Zoom Masters |
| First Conference runners-up | Añejo Rum 65ers |
| All-Filipino Conference champions | Presto Tivolis |
| All-Filipino Conference runners-up | Purefoods Hotdogs |
| Third Conference champions | Purefoods Hotdogs |
| Third Conference runners-up | Alaska Air Force |
The 1990 PBA season was the 16th season of the Philippine Basketball Association (PBA).