PBSI
| Acronym | Definition |
|---|---|
| PBSI | Persatuan Bulutangkis Seluruh Indonesia (Indonesian: Badminton Association of Indonesia; est. 1958) |
| PBSI | Point Blank Solutions, Inc. (Pompano Beach, FL) |
| PBSI | Positive Behavior Support Initiative (various locations) |
| PBSI | Positive Business Solutions, Inc. (software developer; Cincinnati,OH) |
| PBSI | Precept Business Services, Inc |
| PBSI | Patrol Borough Staten Island (NYPD) |