| Acronym | Definition |
|---|
| OCM➣Ocean City, Maryland |
| OCM➣Organist and Choirmaster |
| OCM➣Ocean Circulation Model |
| OCM➣Organizational Change Management |
| OCM➣Organization Change Management |
| OCM➣Ordinary Council Meeting |
| OCM➣Operational Change Management |
| OCM➣Oxidative Coupling of Methane |
| OCM➣Olympic Council of Malaysia |
| OCM➣Osterweis Capital Management (est. 1983; Milwaukee, WI) |
| OCM➣Oracle Certified Master (database administrator certification) |
| OCM➣Old Colony Memorial (Plymouth, MA) |
| OCM➣Outsourcing Contract Management |
| OCM➣Operations Centre Manager |
| OCM➣Optical Channel Monitor |
| OCM➣Operating Committee Meeting |
| OCM➣Organization for Competitive Markets |
| OCM➣On-Camera Meteorologist (The Weather Channel) |
| OCM➣Optical Countermeasures |
| OCM➣Oven Control Module |
| OCM➣Outreach Community Ministries (Illinois) |
| OCM➣Ocean Colour Monitor (oceanographic data collection instrument) |
| OCM➣Online Cash Management |
| OCM➣Oracle Content Management |
| OCM➣Oracle Certified Master |
| OCM➣Oracle Connection Manager |
| OCM➣Optional Component Manager |
| OCM➣Operation Control Manager |
| OCM➣Object Configuration Management (computing) |
| OCM➣Order Change Management |
| OCM➣Obsolete Computer Museum (est. 1995; website) |
| OCM➣Oversea Chinese Mission (New York, NY) |
| OCM➣Olimpiadas Colombianas de Matemáticas (Colombia) |
| OCM➣Oil Content Monitor |
| OCM➣Onondaga Cortland Madison (counties in New York) |
| OCM➣Oil Cleansing Method (cosmetics) |
| OCM➣Outlines in Clinical Medicine (medical resource) |
| OCM➣Offshore Customer Management |
| OCM➣Office of Conflict Management (various organizations) |
| OCM➣Online Clearance Monitor (medical equipment) |
| OCM➣Oriental Chain Manufacturing (Japan) |
| OCM➣Office of Crisis Management (US FDA) |
| OCM➣Original Component Manufacturer |
| OCM➣Optical Channel Multiplexer |
| OCM➣Ohio College of Massotherapy (Akron, OH) |
| OCM➣On Condition Maintenance |
| OCM➣Office of Coastal Management (Louisiana) |
| OCM➣Online Corrosion Monitoring (water pipes) |
| OCM➣Office of Compliance Monitoring |
| OCM➣Orbit Correction Maneuver (US NASA) |
| OCM➣Operating Capability Maintenance |
| OCM➣Operations Cost Model |
| OCM➣Orihuela Costa Magazine |
| OCM➣Override Control Mode |
| OCM➣Operator Configuration Message |
| OCM➣Order of Crescent Moon (Odyssey Classic guild) |
| OCM➣Ocean Color Mission |
| OCM➣Outgoing Communications Manager (US Navy) |
| OCM➣Officer Career Management (US and Australia) |
| OCM➣Operational Change Memorandum |
| OCM➣Operating Curve Management |
| OCM➣Organization Computer Manager |
| OCM➣Orange County Materials (OCM Test Laboratories, Inc.) |
| OCM➣Oswal Cloth Mills |
| OCM➣Ohio Columbus Mission (LDS church) |
| OCM➣Operational Coordination Message |
| OCM➣Organizational Configuration Management |
| OCM➣Overhead Costing Module |
| OCM➣Online Curriculum Manager (DeVry, Inc.) |
| OCM➣Orbital Conjunction Message (US NASA) |
| OCM➣Offshore Construction Manager (gas and oil) |
| OCM➣Outlook Calendar Meeting (Microsoft Outlook) |
| OCM➣Outer Carton Mark |
| OCM➣Oral Contraceptive Medication |