| Acronym | Definition |
|---|
| OMC➣Organisation Mondiale du Commerce (French: WTO) |
| OMC➣Organización Mundial del Comercio (Spanish: World Trade Organization) |
| OMC➣Outlaws Motorcycle Club (est. 1935) |
| OMC➣Operations, Maintenance and Construction (Canada) |
| OMC➣Organização Mundial do Comércio (Portuguese: World Trade Organization) |
| OMC➣Organic (polymer) Matrix Composite |
| OMC➣Outpatient Medical Care (various locations) |
| OMC➣Oh My Chuck |
| OMC➣Osteopathic Medical Center (various locations) |
| OMC➣Oakland Medical Center (California) |
| OMC➣Open Method of Coordination (EU) |
| OMC➣Olympic Medical Center (Port Angeles, WA) |
| OMC➣Occupational Medicine Center |
| OMC➣One More Chance |
| OMC➣Optical Memory Card |
| OMC➣Organizzazione Mondiale del Commercio (Italian: World Trade Organization) |
| OMC➣Onward Manufacturing Company (est. 1906) |
| OMC➣One-Man Clan |
| OMC➣Oh My Cas |
| OMC➣Oriental Medical Center (Seattle, WA) |
| OMC➣Ordnance Maintenance Company (US Marine Corps) |
| OMC➣Owen Machine Carbine (weapon) |
| OMC➣Opel Motorsport Club (car club) |
| OMC➣Oil Marketing Company (various locations) |
| OMC➣Oil Marketing Company |
| OMC➣Office of the Minister for Children (Ireland) |
| OMC➣Occupational Medical Clinic (various locations) |
| OMC➣Online Map Creation |
| OMC➣Opportunity Management Center |
| OMC➣Optical Monitoring Camera |
| OMC➣Oregon Mountain Community (Portland, OR retailer) |
| OMC➣Outboard Marine Corporation |
| OMC➣On My Computer |
| OMC➣Open Market Committee |
| OMC➣Oncology Management Consulting Group (Pennsylvania) |
| OMC➣Orion Molecular Cloud |
| OMC➣Office of Motor Carriers |
| OMC➣Optimum Moisture Content |
| OMC➣Oil Mist Collector (various companies) |
| OMC➣Operations and Maintenance Center |
| OMC➣Office of Military Cooperation |
| OMC➣Old Man's Child (band) |
| OMC➣Ostiomeatal Complex (otolaryngology) |
| OMC➣Office of Managed Care |
| OMC➣Operational Medicine Consultants (Richmond, VA) |
| OMC➣Otara Millionaires Club (musical artist) |
| OMC➣Oman Medical College |
| OMC➣Open Music Contest |
| OMC➣Original Male Character |
| OMC➣Orange Mound Collaborative (Memphis, TN) |
| OMC➣Office Management Committee (various organizations) |
| OMC➣Ocala Metropolitan Campus (Webster University; Ocala, FL) |
| OMC➣Our Missing Children (Canada) |
| OMC➣Open Management Consortium (open source computing) |
| OMC➣Office of Munitions Control |
| OMC➣Outboard Motor Corporation |
| OMC➣Optical Media Converter |
| OMC➣Oakland Municipal Code (California) |
| OMC➣Office for Multicultural Faculty Careers (Brigham and Women's Hospital; Boston, MA) |
| OMC➣Operation and Maintenance Costs |
| OMC➣On Mission Celebrations (religion) |
| OMC➣Orange Members Card (credit card; Japan) |
| OMC➣Orissa Mining Corporation Ltd. |
| OMC➣Oh My Carlisle! |
| OMC➣Organizational Member Council (ANSI term) |
| OMC➣Oh My Cullen (Twilight fan slang) |
| OMC➣Operations/Maintenance Coordinator |
| OMC➣Oneness Mission Club |
| OMC➣Order Management Center |
| OMC➣Operation and Management Center |
| OMC➣organic molecular crystal |
| OMC➣Oman Methanol Company LLC |
| OMC➣Ontario Medal for Good Citizenship |
| OMC➣One-Man Control |
| OMC➣Orchard Machinery Corporation (Yuba City, CA) |
| OMC➣Olszak Management Consulting, Inc. |
| OMC➣Office of Management Controls |
| OMC➣Chief Opticalman (Naval Rating) |
| OMC➣Orinoco Mining Company |
| OMC➣Online Medical Control (Canadian Coast Guard, Rescue Specialist) |
| OMC➣Optic/Millimeter-wave Converter |
| OMC➣Orbitel Mobile Communications Ltd. |
| OMC➣Operation and Maintenance Cell |
| OMC➣Occupational Measurement Center |
| OMC➣Order of Friars Minor Conventual |
| OMC➣Optical Moisture Content (materials engineering) |
| OMC➣Old Mill Century |
| OMC➣Optical Multiplexed Carrier |
| OMC➣Optical Media Center (Broadwing) |
| OMC➣Outer Membranes Complex |
| OMC➣Ordered Macroporous Carbon |
| OMC➣Organizational Maintenance Concept |
| OMC➣Other Management Controllable |
| OMC➣Oh My Chaos (humor) |
| OMC➣Optimisation and Measurement Center |