| Acronym | Definition |
|---|
| OPOC | Operational Point Of Contact (ICANN) |
| OPOC | Opposed-Piston, Opposed-Cylinder (engine; Advanced Propulsion Technologies, Inc.) |
| OPOC | Organizational Point of Contact |
| OPOC | One Point of Contact |
| OPOC | Openbaar Primair Onderwijs Centrum |
| OPOC | Organization Point of Contact |
| OPOC | One Pack of Cigarettes |
| OPOC | OPCW Policy on Confidentiality |
| OPOC | Overall Point of Contact |
| OPOC | Oklahoma Pension Oversight Commission |
| OPOC | Office of Public Outreach and Communications (San Francisco Unified School District) |
| OPOC | Orthopaedic Physiotherapy Outpatient Clinic |
| OPOC | One People One Country |
| OPOC | Orchard Park Office Centre (Canada) |
| OPOC | Ontelaunee Power Operating Company, LLC (Pennsylvania) |
| OPOC | Outpatient Palliative Oncology Clinic |
| OPOC | Oakland Parents Orchestrating Change (Oakland, CA) |