2002–03 Philippine Basketball League season
|2002–03 PBL season|
|Duration||November 4, 2002 – June 19, 2003|
|Number of teams||9|
|Challenge Cup champions||Welcoat Paints|
|Sunkist-Unity Cup champions||Hapee Toothpaste|
|Runners-up||Viva Mineral Water|
|Season MVP||Rommel Adducul
The 2002–03 season of the Philippine Basketball League (PBL).
2002-03 Challenge Cup
Welcoat Paintmasters, the top team in the eliminations, will enjoy a twice-to-beat advantage against the fourth finisher in the crossover semis. Welcoat will meet the winner of ICTSI and LBC-Batangas. Blu Detergent and Dazz finished with identical 7-4 won-loss cards and will play in the other crossover semis. 
Comebacking Welcoat Paintmasters completed a three-game sweep over Dazz. Coach Leo Austria now won three PBL titles, two of which came when he was a Shark Energy Drink mentor. The Welcoat franchise won their fifth PBL championship, and all their series victories were via sweeps. 
- Most Valuable Player: Rommel Adducul (Welcoat)
- Sportsmanship Award: Alex Compton (LBC-Batangas)
- Most Improved Player Award: Paul Artadi (Welcoat)
- Top Newcomer: Mark Cardona (ICTSI-La Salle)
- Finals MVP: Rommel Adducul and Ronald Tubid (Welcoat)
2003 Sunkist-Unity Cup
|Viva Mineral Water||4||2||.667|
Two new teams joined the league, replacing Cheeseballs-Shark and Sunkist-Pampanga, these are Viva Mineral Water, coach by Koy Banal, and Nutrilicious, handled by Monel Kallos.
Hapee (formerly Dazz) and Viva Mineral Water advances to the championship after the double-round semifinals among the top four teams in the eliminations. 
|Hapee Toothpaste 64, Viva Mineral Water 62|
|Hapee wins series, 3-2|
Hapee Toothpaste won their first title since the 1996 Reinforced Conference, denying Viva Mineral Water a championship in their very first try. Hapee mentor Junel Baculi won his sixth title as a coach. 
- "Archers test Blades; Blu confronts Dazz". Philippine Daily Inquirer - Google News Archive.
- "Welcoat completes sweep". Philippine Daily Inquirer - Google News Archive.
- "Hapee, Viva triumph, seal PBL Cup title showdown". Philippine Daily Inquirer - Google News Archive.
- "Hapee cops crown". Philippine Daily Inquirer - Google News Archive.