Your abbreviation search returned 91 meanings
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| Rank Abbr. | Meaning | |
|---|---|---|
| OM | Onder Meer (Dutch: among others) | |
| OM | Old Man (Amateur Radio) | |
| OM | Oh My | |
| OM | Oriental Medicine | |
| OM | Oman (ISO country Code, top level domain) | |
| OM | On the Move | |
| OM | Olympique de Marseille (French football team) | |
| OM | Organic Matter | |
| OM | Office Manager | |
| OM | Openbaar Ministerie | |
| OM | Oh Man | |
| OM | Order Management | |
| OM | Olivia Munn (actress) | |
| OM | Osteomyelitis (bone infection) | |
| OM | Old Mutual (London, UK financial services) | |
| OM | Offering Memorandum (investing) | |
| OM | Omeprazole (drug) | |
| OM | Object Model | |
| OM | Orgasmic Meditation | |
| OM | Order of Merit | |
| OM | Operations and Maintenance | |
| OM | Operating Manual | |
| OM | Odyssey of the Mind | |
| OM | Officemax (retail business) | |
| OM | Otitis Media | |
| OM | Orbit Micro | |
| OM | Occupational Medicine (also seen as OCCMED and OCC MED) | |
| OM | Oscar Mayer | |
| OM | Ordained Minister | |
| OM | Operation Mobilisation (global Christian missionary organisation) | |
| OM | Optical Microscopy | |
| OM | Operating Margin (gross margin less operating expenses) | |
| OM | Oliebranchens Miljøpulje (Denmark) | |
| OM | Mongolian Airlines (IATA airline code) | |
| OM | Outer Marker | |
| OM | Open Marriage (lifestyle) | |
| OM | Operational Manager | |
| OM | Orden Ministerial (Spanish) | |
| OM | Obtuse Marginal | |
| OM | Operational Modeling | |
| OM | OpenMail | |
| OM | Operation Migration | |
| OM | Optical Model | |
| OM | Operating Methods | |
| OM | Organizational Maintenance | |
| OM | Ontology Matching | |
| OM | Operator Maintenance | |
| OM | Optical Monitor (astrophysics, astronomy) | |
| OM | Optical Module (Ciena) | |
| OM | Organizational Membership | |
| OM | Organo Metallic | |
| o/m | Olieman (Dutch) | |
| OM | Operations Module | |
| OM | Organized Militia | |
| O/M | Operator/Maintainer | |
| OM | Office of Meteorology | |
| OM | Optics Module | |
| OM | Orbital Module | |
| OM | Opticalman (US Navy rating) | |
| OM | Optical Multiplexer (Sprint) | |
| OM | OPTera Metro (Cisco) | |
| OM | O-Methylation | |
| OM | Operational Measurement | |
| OM | Overlay Manager | |
| OM | Operations Manager/Management | |
| OM | Optimization of Middleware | |
| OM | Open Marketing | |
| O/M | Oxygen-to-Metal (ratio) | |
| OM | Optionsmäklarna (Swedish company; now OM Gruppen) | |
| OM | Out for Maintenance | |
| OM | Omni Mane (Latin: Every Morning) | |
| O/M | Oxide Melt | |
| OM | OnMarketer | |
| OM | Occipitalis Muscle | |
| OM | Old Marlburian (Old Marlburian Lodge) | |
| OM | Out of Band Modulator | |
| OM | Office Macro Virus | |
| OM | Outsource Marketing, LLC | |
| OM | Off-Line Memory (DSC) | |
| OM | Old Malvernian (England, UK) | |
| OM | Operational Manning | |
| OM | Obtuse Mule | |
| OM | Overlapping Multicarrier | |
| OM | Orbiting Mirror | |
| OM | Operator's/Operation Manual | |
| OM | Occultation Measurement | |
| OM | Minim Fathers (religious order) | |
| OM | Old McFarlane | |
| OM | (USN Rating) Opticalman | |
| OM | Ostial Membrane | |
| OM | Ocean Master (sailing) | |
Note: We have 38 other definitions for O/M in our Acronym Attic