| Acronym | Definition |
|---|
| OMA➣Office for Metropolitan Architecture (Netherlands) |
| OMA➣Outlook Mobile Access |
| OMA➣Oregon Medical Association |
| OMA➣Office of Multicultural Affairs |
| OMA➣Orlando Museum of Art (Florida) |
| OMA➣Office of Minority Affairs |
| OMA➣Open Mobile Alliance |
| OMA➣One-Man Army (Quake 3 Arena clan) |
| OMA➣Ontario Medical Association (Canada) |
| OMA➣Open Meetings Act |
| OMA➣Official Methods of Analysis (US Department of Agriculture) |
| OMA➣Object Management Architecture |
| OMA➣Online Marketing Agency |
| OMA➣Operations Maintenance Area |
| OMA➣Operation Management Applications |
| OMA➣Optical Multichannel Analyzer |
| OMA➣Olimpíada Matemática Argentina |
| OMA➣Ontario Museum Association |
| OMA➣Ontario Mining Association (Canada) |
| OMA➣Opsoclonus-Myoclonus-Ataxia (syndrome) |
| OMA➣Oceanside Museum of Art (California) |
| OMA➣Ophthalmic Medical Assisting (courses) |
| OMA➣Oracle Management Agent |
| OMA➣Oklahoma Museums Association (est. 1972) |
| OMA➣Optical Modulation Amplitude (IEEE) |
| OMA➣Off Madison Ave (advertising; Arizona) |
| OMA➣Office of Management Assessment |
| OMA➣Office of Military Affairs (US CIA) |
| OMA➣Office on Muslim Affairs |
| OMA➣Operations, Maintenance and Administration (various companies) |
| OMA➣Organizational Management Analysis |
| OMA➣Oregon Mediation Association |
| OMA➣Orderly Marketing Agreement |
| OMA➣Outmusic Award (international gay music award) |
| OMA➣Ocular Motor Apraxia |
| OMA➣Opto-Mechanical Assembly |
| OMA➣Oh My Anubis |
| OMA➣Open Meta Archive |
| OMA➣Operator Monitoring Assessment |
| OMA➣Office of Management and Administration |
| OMA➣Operations Management Association |
| OMA➣Oklahoma Military Academy |
| OMA➣Open Management Architecture (3Com) |
| OMA➣Oracle Modernization Alliance (software) |
| OMA➣Organizational Maintenance Activity |
| OMA➣Operations & Maintenance, Army |
| OMA➣Omaha, NE, USA - Eppley Airfield (Airport Code) |
| OMA➣Odd-Mode Analysis |
| OMA➣Ostfriesischer Motorrad Anzeiger (German motorcycle magazine) |
| OMA➣Online Manual Archive |
| OMA➣Outdoor Ministries Association (Church of the Brethren camping and outdoor education) |
| OMA➣Old Motorcycle Association (Belgium) |
| OMA➣Operations, Management, and Administration (US FEMA) |
| OMA➣Organisation Mondiale de l'Autisme (World Autism Organisation) |
| OMA➣Oh My Allah |
| OMA➣Oilheat Manufacturers Association |
| OMA➣Orlando Music Awards |
| OMA➣Operations Management Application |
| OMA➣Office of Military Application (US DOE) |
| OMA➣Oil-Mineral Aggregate Formation |
| OMA➣Object-based Mapping Automata |
| OMA➣Optical Manufacturers Association (various locations) |
| OMA➣Order Of Magnitude Analysis |
| OMA➣One-Minute Average |
| OMA➣Oh My Alice (Internet slang) |
| OMA➣Optomechanical Assembly |
| OMA➣Output Module Arbiter |
| OMA➣Office of Members' Advocates (Wikipedian voluntary group; now Association of Members' Advocates, AMA) |
| OMA➣Offsite Meeting Authorization (Sprint) |
| OMA➣Orwin Manor Association (Winter Park, FL) |