| Abbreviation | Definition |
|---|---|
| OCCC | Oregon Coast Community College |
| OCCI | Office of Cross College Initiatives |
| OCCM | Orthodox Christian College Ministry |
| OCCP | Ohio College of Clinical Pharmacy |
| OCCR | Oklahoma College of Court Reporting |
| OCCR | Owens Community College Radio |
| OCCURS | Oregon Community College Unified Reporting System |
| OCDL | Open College for Direct Learning |
| OCEO | Olympic College Environmental Outreach |
| OCER | Oriental College of Education Research |
| OCFB | Oberlin College Flaming Blades |
| OCFP | Ontario College of Family Physicians |
| OCLC | Ohio College Library centre |
| OCLS | Ontario Colleges Library Service |
| OCM | Ohio College of Massotherapy |
| OCMB | Oberlin College Marching Band |
| OCMC | Ontario College Marketing Competition |
| OCMC | Ontario Colleges Marketing Competition |
| OCN | Open College Network |
| OCN | Open College Networks |