OPSB
| 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 |