| Acronym | Definition |
|---|
| OCPP➣Oregon Center for Public Policy |
| OCPP➣Organic Crop Producers and Processors (now Pro-Cert Organic Systems, Ltd.; Canada) |
| OCPP➣Orbiter Cloud Photopolarimeter (Pioneer) |
| OCPP➣Original Ceiling Priority Protocol (RTOS scheduling) |
| OCPP➣Office of Career Planning and Placement (various universities) |
| OCPP➣Ohio Conference for Payroll Professionals |
| OCPP➣Open Counter Promenade Position (dance) |