| 1998 PBA All-Filipino Cup | |
|---|---|
 | |
| Duration | February 1 - May 8, 1998 |
| TV partner(s) | VTV (IBC) |
| Finals | |
| Champions | Alaska Milkmen |
| Runners-up | San Miguel Beermen |
| Awards | |
| Best Player | Nelson Asaytono (San Miguel Beermen) |
| Finals MVP | Kenneth Duremdes (Alaska Milkmen) |
| PBA All-Filipino Cup chronology | |
| PBA conference chronology | |
The 1998 Philippine Basketball Association (PBA) Centennial All-Filipino Cup, also known as the 1998 McDonald's-PBA All-Filipino Cup for sponsorship reasons, was the first conference of the 1998 PBA season. It started on February 1 and ended on May 8, 1998. The tournament is an All-Filipino format, which doesn't require an import or a pure-foreign player for each team.