| Acronym | Definition |
|---|
| OCPA | Open Content Platform Association |
| OCPA | Office Cantonal des Personnes Âgées |
| OCPA | Observatory of Cultural Policies in Africa |
| OCPA | Oklahoma Council of Public Affairs |
| OCPA | Office of the Commissioner for Public Appointments (UK) |
| OCPA | Ontario Concrete Pipe Association |
| OCPA | Office of the Chief of Public Affairs |
| OCPA | Orange County People for Animals |
| OCPA | Overseas Chinese Physics Association |
| OCPA | Ontario Corn Producers' Association |
| OCPA | Ontario Corn Producers' Association (Canada) |
| OCPA | Office of the Coalition Provisional Authority (US government; formerly Office of Reconstruction and Humanitarian Assistance) |
| OCPA | Orange County Property Appraiser |
| OCPA | Office for the Commissioner for Public Appointments (UK government) |
| OCPA | Oregon Council of Police Associations |
| OCPA | Orange County Paralegal Association |
| OCPA | Ohio Crime Prevention Association |
| OCPA | Office of Communications and Public Affairs |
| OCPA | Ohio College Personnel Association |
| OCPA | Ordway Center for the Performing Arts (Saint Paul, MN) |
| OCPA | Open Contents Platform Association |
| OCPA | Orange County Psychological Association |
| OCPA | Oregon Coast Photographers' Association |
| OCPA | Office of the Chief Public, Affairs |
| OCPA | Osceola County Property Appraiser (Florida) |
| OCPA | Orange County Playwrights Alliance (Orange County, California) |
| OCPA | Oklahoma Collegiate Press Association |
| OCPA | Oregon Conservatory of Performing Arts (Medford, OR) |
| OCPA | Office, Chief of Public Affairs |
| OCPA | Office of Congressional and Public Affairs |
| OCPA | Office of Coalition Provisional Authority |
| OCPA | Oiseau Club du Pays d'Aix |
| OCPA | Ocean County Police Academy (Lakewood, NJ) |
| OCPA | Orlando Chinese Professionals Association |
| OCPA | Orlando Chinese Professionals Association (Florida) |
| OCPA | Oklahoma Council on Public Affairs |
| OCPA | Office for Public Appointments (UK) |
| OCPA | l'Organisme Paritaire Collecteur Agréé |
| OCPA | Ontario Consumer Protection Act |
| OCPA | Okinawa Center for Peace Assistance |
| OCPA | Oregon Chiropractic Physicians' Association |
| OCPA | Orange Chinned Parakeet |
| OCPA | Ornamental Concrete Producers Association |
| OCPA | O-Chlorophenylacetic Acid |
| OCPA | Ontario Center for the Performing Arts |
| OCPA | Office of the Civilian Provisional Authority |
| OCPA | Orthopaedic Consultants PA |
| OCPA | Optically Controlled Phased-array Antenna |
| OCPA | Office of the Coalition Provision Authority |
| OCPA | Ohio Curriculum Professionals Association |