| OCDC | Oberlin College Dialogue Center 
| Others |
| OCDC | Obsessive Compulsive Disorder Complex
| Others |
| OCDC | Ocean City Development Corporation
| Others |
| OCDC | Office of Chief Disciplinary Counsel
| Others |
| OCDC | Office of Cyber Defense Coordination
| Others |
| OCDC | Ohio Cooperative Development Center
| Others |
| OCDC | Oklahoma Census Data Center
| Others |
| OCDC | Oklahoma City Diving Club
| Others |
| OCDC | Onondaga Civic Development Corporation
| Others |
| OCDC | Onondaga Civic Development Corportation
| Others |
| OCDC | Onondaga County Department of Correction
| Others |
| OCDC | Operator Controlled Discharge Chute
| Others |
| OCDC | Orangeburg County Development Commission
| Others |
| OCDC | Oregon Child Development Coalition
| Others |
| OCDC | Oregon Coast Dance Center
| Others |
| OCDC | Organized Crime Design Collective
| Others |
| OCDC | Orientable Cycle Double Cover
| Others |
| OCDC | Ornette Coleman and Don Cherry
| Others |
| OCDC | Otero County Detention Center
| Others |
| OCDC | Outreach Community Development Corporation
| Others |
| OCDC | Overseas Chinese Democracy Coalition
| Others |
| OCDC | Overseas Cooperative Development Council
| Others |