| Acronym | Definition |
|---|
| PBSO➣Palm Beach County Sheriff's Office (Florida) |
| PBSO➣Perinatal Bereavement Services Ontario (est. 1992; Canada) |
| PBSO➣Peace Building Support Office (UN) |
| PBSO➣Partial Buffer Sharing with Overwriting |
| PBSO➣Progressive Black Student Organization (University of North Texas) |