| OCM | Object Content Mapping 
| Others |
| OCM | Object-CMS Mapper
| Others |
| OCM | Observatorio Ciudadano Municipal
| Others |
| OCM | Occupant Classification Module
| Others |
| OCM | Ocean Chinese Mission
| Others |
| OCM | Ocean Circulation Model
| Others |
| OCM | Office Compatibility Mode
| Others |
| OCM | Office for Coastal Management
| Others |
| OCM | Office of Classroom Management
| Others |
| OCM | Office of Communications and Marketing
| Others |
| OCM | Office of Contracts Management
| Others |
| OCM | Office of Crisis Management
| Others |
| OCM | Ohio College of Massotherapy
| Others |
| OCM | Oil Cleaning Module
| Others |
| OCM | Oil Cleansing Method
| Others |
| OCM | Okief Coshe Mang
| Others |
| OCM | Old Cider Mill
| Others |
| OCM | Ole Control Message
| Others |
| OCM | Omaha Children's Museum
| Others |
| OCM | Omaha Childrens Museum
| Others |
| OCM | Omaha Conservatory of Music
| Others |
| OCM | Omis Compliant Monitoring
| Others |
| OCM | Omnibus Club Munchen
| Others |
| OCM | On Call Meteorologist
| Others |
| OCM | On Camera Meteorologist
| Others |
| OCM | On Campus Marketing
| Others |
| OCM | Oncology Care Model
| Others |
| OCM | One Caribbean Media
| Others |
| OCM | One Chip Modulator
| Others |
| OCM | One Click Ministry
| Others |
| OCM | Ongoing Corporate Mandate
| Others |
| OCM | Online Call Management
| Others |
| OCM | Online Cash Management
| Others |
| OCM | Online Cash Manager
| Others |
| OCM | Online Chllange Mode
| Others |
| OCM | Online Commerce Management
| Others |
| OCM | Online Cost Management
| Others |
| OCM | Online Courses Magazine
| Others |
| OCM | Onondaga Cortland Madison
| Others |
| OCM | Onondaga-Cortland-Madison counties
| Others |
| OCM | Opala Clube Mairipora
| Others |
| OCM | Open Cache Manager
| Others |
| OCM | Open Carry Movement
| Others |
| OCM | Open Cloud Mesh
| Others |
| OCM | Openness Clarity And Musicality
| Others |
| OCM | Openness Clarity Musicality
| Others |
| OCM | Operating Computer Module
| Others |
| OCM | Operation Control Manager
| Others |
| OCM | Optical Channel Monitor
| Others |
| OCM | Optical CounterMeasures
| Others |
| OCM | Optional Component Manager
| Others |
| OCM | Options Compatibility Matrix
| Others |
| OCM | Oracle Certification Masters
| Others |
| OCM | Oracle Certified Master
| Others |
| OCM | Oracle Cloud Machine
| Others |
| OCM | Oracle Connection Manager
| Others |
| OCM | Oracle Content Management
| Others |
| OCM | Order Change Management
| Others |
| OCM | Order of Civil Merit
| Others |
| OCM | Organic Computational Matrix
| Others |
| OCM | Organic Content Monitor
| Others |
| OCM | Organization Change Management
| Others |
| OCM | Organization for Competitive Markets
| Others |
| OCM | Organizational change management
| Others |
| OCM | Organizational Committee Member
| Others |
| OCM | Origin Cargo Manager
| Others |
| OCM | Original Components Manufacturer
| Others |
| OCM | Orihuela Costa Magazine
| Others |
| OCM | Our Campus Market
| Others |
| OCM | Outils Club Moteurs
| Others |
| OCM | Outline Of Cultural Materials
| Others |
| OCM | Outlines in Clinical Medicine
| Others |
| OCM | Outlook Calendar Meeting
| Others |
| OCM | Outlook Customer Manager
| Others |
| OCM | Overrun on Compare
| Others |
| OCM | Oversea Chinese Mission
| Others |
| OCM | Owner Content Management
| Others |
| OCM | Ownership Collection Master
| Others |
| OCM | Oxidative Coupling of Methane
| Others |