| OSCC | Ocular Squamous Cell Carcinoma 
| Others |
| OSCC | Off Site Construction Council
| Others |
| OSCC | Office of Service Community Collaboration
| Others |
| OSCC | Office of Student Care Coordination
| Others |
| OSCC | Ogilvie School Community Council
| Others |
| OSCC | Old School Car Class
| Others |
| OSCC | Old School Car Club
| Others |
| OSCC | Olympic Security Command Centre
| Others |
| OSCC | Ontario Society of Clinical Chemists
| Others |
| OSCC | Ontario Student Classics Conference
| Others |
| OSCC | Open Skies Consultative Commission
| Others |
| OSCC | Open Source Car Control
| Others |
| OSCC | Open Source Cloud Computing
| Others |
| OSCC | Open Source Competency Centre
| Others |
| OSCC | Oral Squamous Cell Carcinoma
| Others |
| OSCC | Orange Service Center Council
| Others |
| OSCC | Orchard Senior Citizen Center
| Others |
| OSCC | Oregon Students of Color Conference
| Others |
| OSCC | Oropharyngeal Squamous Cell Carcinoma
| Others |
| OSCC | Oropharyngeal Squamous Cell Carcinomas
| Others |
| OSCC | Orthopaedic Surgery Center of Clearwater
| Others |
| OSCC | Oshawa Senior Citizens Centres
| Others |
| OSCC | Otago Sports Car Club
| Others |
| OSCC | Ottawa Sports Car Club
| Others |
| OSCC | Outbound Service Call Centre
| Others |