PSBI
| Acronym | Definition |
|---|---|
| PSBI | Pearl S. Buck International |
| PSBI | Possible Severe Bacterial Infection |
| PSBI | Picture Sub-Bitstream Indicator (telecommunications) |
| PSBI | Primary Source-Based Instruction (information technology curriculum) |
| PSBI | Prudential Service Bureau, Inc. (Louisville, KY) |
| PSBI | Pro-Steel Buildings Incorporated (Tallahassee, FL) |