| Acronym | Definition |
|---|
| OPB➣Oregon Public Broadcasting |
| OPB➣Originally Performed By (music) |
| OPB➣Oracle Power Browser |
| OPB➣Office Printing Business |
| OPB➣On-Chip Peripheral Bus |
| OPB➣On Base Percentage (baseball) |
| OPB➣Our Parents' Basement (podcast) |
| OPB➣Ontario Pension Board (Canada) |
| OPB➣Operational Planning and Budgeting (various locations) |
| OPB➣OBERMEYER Planen + Beraten GmbH (German engineering firm) |
| OPB➣Operating Plan and Budget |
| OPB➣Other People's Boats |
| OPB➣Omega Phi Beta (Sorority) |
| OPB➣One Parent Benefit (UK) |
| OPB➣Out of Plane Bending |
| OPB➣Open Power Board (discussion board software) |
| OPB➣Officer Preselection Brief |
| OPB➣Operational Preparation of the Battlespace |
| OPB➣Office of Plans and Budget |
| OPB➣Operations Program Baseline |
| OPB➣Oficial de Protección de Buque |
| OPB➣Orders and Pay Branch |
| OPB➣Outstanding Principle Balance |
| OPB➣Officer Program Branch |
| OPB➣Order Processing and Billing (BookMaster software) |
| OPB➣Outline Planning Brief |