| Acronym | Definition |
|---|
| OPSB➣Open Proxy Scanning Bot |
| OPSB➣Oracle Public Sector Budgeting |
| OPSB➣Orleans Parish School Board |
| OPSB➣Ohio Power Siting Board (new energy facility review) |
| OPSB➣Open Slotted Band (motors) |
| OPSB➣Ouachita Parish School Board (Monroe, LA) |
| OPSB➣Open Proxy Scanning Bot (software) |
| OPSB➣Old Private Sector Bank |