1991 Philippine Basketball League season
| 1991 PBL season | |
|---|---|
| Duration | February 9 - July 24, 1991 |
| Number of teams | 8 + 1 |
| TV partner(s) | Islands TV-13 |
| Season MVP | Stevenson Solomon Johnny Abarrientos |
| Maharlika Cup champions | Crispa 400 |
| Maharlika Cup runners-up | Mama's Love |
| Challenge Cup champions | Triple-V Foodmasters |
| Challenge Cup runners-up | Crispa 400 |
The 1991 season of the Philippine Basketball League (PBL).