| 1978 PBA season | |
|---|---|
| Duration | April 16 – December 14, 1978 |
| Number of teams | 8 |
| TV partner(s) | GTV |
| Season MVP | Robert Jaworski (Toyota Tamaraws) |
| All-Filipino Conference champions | Toyota Tamaraws |
| All-Filipino Conference runners-up | Filmanbank Bankers |
| Open Conference champions | U/Tex Wranglers |
| Open Conference runners-up | Crispa 400 |
| Invitational championship champions | Toyota Tamaraws |
| Invitational championship runners-up | Tanduay Esquires |
Preview warning: Page using Template:Infobox sports season with unknown parameter "year"
The 1978 PBA season was the fourth season of the Philippine Basketball Association (PBA).