| 1978 Toyota Tamaraws season | |
|---|---|
| Head coach | Dante Silverio Fort Acuña |
| Owner(s) | Delta Motor Corporation |
| All-Filipino Conference results | |
| Record | 19–5 (79.2%) |
| Place | 1st |
| Playoff finish | Finals |
| Open Conference results | |
| Record | 14–9 (60.9%) |
| Place | 3rd |
| Playoff finish | Semifinals |
| Invitational Conference results | |
| Record | 7–1 (87.5%) |
| Place | 1st |
| Playoff finish | Finals |
| Toyota Tamaraws seasons | |
The 1978 Toyota Tamaraws season was the fourth season of the franchise in the Philippine Basketball Association (PBA).