| Rank | Abbreviation | Meaning |
|---|
| ***** | OCRC | Ordonnances des Cadets de la Région du Centre
| |
| **** | OCRC | Office of Civil Rights Compliance
| |
| *** | OCRC | Office Central pour la Répression de la Corruption
| |
| *** | OCRC | Oral Cancer Research Center
| |
| *** | OCRC | Organización Campesina Regional de Concepción
| |
| *** | OCRC | Ohio Civil Rights Commission
| |
| ** | OCRC | oxygen consumption rate constant
| |
| ** | OCRC | Option Change Review Committee
| |
| ** | OCRC | Ocean Climate Research Committee
| |
| ** | OCRC | Orange County Register Communications
| |
| * | OCRC | Organic Chemistry Research Center
| |
| * | OCRC | Open Circuit Respiration Chamber
| |
| * | OCRC | Oklahoma Christian Retirement Community
| |
| * | OCRC | Oregon Commercial Reach Code
| |
| * | OCRC | Ohio Coal Research Consortium
| |
| * | OCRC | Oxford City Road Club
| |
| * | OCRC | Orange Caregiver Resource Center
| |
| * | OCRC | Orlando Clinical Research Center
| |
| * | OCRC | Ottawa County Road Commission
| |
| * | OCRC | Octorara Community Recreation Commission
| |
| * | OCRC | Onchocerciasis Chemotherapy Research Centre
| |
| * | OCRC | Orthodox Christian Reformed Churches
| |
| * | OCRC | Ocean City Research Corp
| |
| * | OCRC | Off Campus Resource Centre
| |
| * | OCRC | Oklahoma City Running Club
| |