| Year: | 1978 |
| Conference Name: | Invitational championship |
| Duration: | November 25 – December 14, 1978 |
| Tv: | GTV |
| Champion: | Toyota Tamaraws |
| Runner-Up: | Tanduay Esquires |
| Prevconf Link: | 1977 PBA Invitational championship |
| Prevconf Year: | 1977 |
| Nextconf Link: | 1979 PBA Invitational championship |
| Nextconf Year: | 1979 |
| Prev Conf: | 1978 Open |
| Prev Conf Link: | 1978 PBA Open Conference |
| Next Conf: | 1979 All-Filipino |
| Next Conf Link: | 1979 PBA All-Filipino Conference |
The 1978 PBA Invitational championship was the third conference of the 1978 PBA season. It started on November 25 and ended on December 14, 1978.
The Toyota Tamaraws retains the Invitational crown with a 3–1 series victory over first-time finalist Tanduay Esquires.[1]
The following format will be observed for the duration of the tournament:
| width=15px bgcolor="#98fb98" | Qualified for finals | |
| Qualified for battle for third |
| width=15 |
| width=200 | Team Standings! | width=20 | W! | width=20 | L! | width=35 | PCT! | width=25 | GB |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | 0 | .1000 | – | |||||||
| 2 | 3 | 1 | .750 | – | |||||||
| 3 | 2 | 2 | .500 | – | |||||||
| 4 | 1 | 3 | .250 | – | |||||||
| 5 | Filmanbank Bankers | 0 | 4 | .000 | – |
| Year: | 1978 |
| Conference: | Invitational Championship |
| Champion Games: | 3 |
| Runnerup: | Tanduay ESQ |
| Runnerup Games: | 1 |
| Date: | December 7 to 14, 1979 |
| Prev Year: | 1977 |
| Next Conf: | 1979 All-Filipino |
| Prev Conf: | 1978 Open |
The 1978 Philippine Basketball Association (PBA) Invitational Championship finals was the best-of-5 basketball championship series of the 1979 PBA Invitational Conference, and the conclusion of the conference's playoffs.
Toyota Tamaraws won the championship.
The following scoring summary is written in a line score format, except that the quarter numbers are replaced by game numbers.
| align=left width=28% | Team | width=6% | Game 1 | width=6% | Game 2 | width=6% | Game 3 | width=6% | Game 4 | width=6% | Wins |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Toyota | 129 | 80 | 128 | 108 | 3 | ||||||
| Tanduay | 123 | 92 | 118 | 98 | 1 | ||||||