| 1991 PBA First Conference | |
|---|---|
| Duration | February 17 – May 19, 1991 |
| TV partner(s) | Vintage Sports (PTV) |
| Finals | |
| Champions | Ginebra San Miguel |
| Runners-up | Shell Rimula X |
| Awards | |
| Best Import | Bobby Parks (Shell Rimula X) |
| PBA First Conference chronology | |
| PBA conference chronology | |
The 1991 Philippine Basketball Association (PBA) First Conference was the opening conference of the 1991 PBA season. It started on February 17 and ended on May 19, 1991. The tournament allows one-import each per team.