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| Dates | April 24 – May 8, 1998 | |||||||||
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| Television | Vintage Sports (IBC) | |||||||||
| Radio network | DWFM | |||||||||
The 1998 PBA All Filipino Cup finals was the best-of-7 basketball championship series of the 1998 PBA All-Filipino Cup, and the conclusion of the conference's playoffs. The Alaska Milkmen and San Miguel Beermen played for the 69th championship contested by the league as the country celebrates its centennial year. The champion for this finals series were awarded with two different trophies; the regular All-Filipino Cup trophy and the FVR Centennial Cup trophy.
The Alaska Milkmen regain the All-Filipino Cup crown with a 4–3 series victory against the San Miguel Beermen and repeated as back-to-back champions, winning their 8th PBA title.
Kenneth Duremdes won on his first finals MVP in All-Filipino Cup finals.