| OMA | Eppley Airfield 
| Others |
| OMA | Oat Maize And Addition
| Others |
| OMA | Obesity Medicine Association
| Others |
| OMA | Object Management Architecture
| Others |
| OMA | Object Of My Affection
| Others |
| OMA | Observations Minus Anal
| Others |
| OMA | Oceanography and Marine Assessment
| Others |
| OMA | Oceanside Museum of Art
| Others |
| OMA | Ocular Motor Apraxia
| Others |
| OMA | Oculomotor apraxia
| Others |
| OMA | Office for Metropolitan Architecture
| Others |
| OMA | Office Moving Alliance
| Others |
| OMA | Office of Management Assessment
| Others |
| OMA | Office of Metropolitan Architecture
| Others |
| OMA | Office of Military Affairs (CIA)
| Others |
| OMA | Office of Multicultural Affairs
| Others |
| OMA | Office of Multidisciplinary Activities
| Others |
| OMA | Officine Meccaniche Aeronautiche
| Others |
| OMA | Oh My Al
| Others |
| OMA | Oh My Alice
| Others |
| OMA | Oh My Allah
| Others |
| OMA | Oh My Awesome
| Others |
| OMA | Ohio Monongahela and Allegheny
| Others |
| OMA | Ohio Motocross Association
| Others |
| OMA | Ohio Motorcoach Association
| Others |
| OMA | Oil Monitoring Analyst
| Others |
| OMA | Oklah Museums Association
| Others |
| OMA | Oklahoma Military Academy
| Others |
| OMA | Oliver Martial Arts
| Others |
| OMA | Omaha, Nebraska USA
| Others |
| OMA | On My A**
| Others |
| OMA | One Madison Avenue
| Others |
| OMA | One Man Army
| Others |
| OMA | One Man Armyl
| Others |
| OMA | One Mans Army
| Others |
| OMA | One Month Anniversary
| Others |
| OMA | Online Manual Archive
| Others |
| OMA | Online Marketing Agency
| Others |
| OMA | Online Marketing Association
| Others |
| OMA | Online Music Appreciation
| Others |
| OMA | Ontario Medical Association
| Others |
| OMA | Open Mandriva Association
| Others |
| OMA | Open Mashup Alliance
| Others |
| OMA | Open Meta Archive
| Others |
| OMA | Open Mobile Alliance
| Others |
| OMA | Operation and Maintenance, Army
| Others |
| OMA | Operation Management Applications
| Others |
| OMA | Operations and Maintenance, Army
| Others |
| OMA | Operations Maintenance Area
| Others |
| OMA | Operations Maintenance Army
| Others |
| OMA | Operations Management Application
| Others |
| OMA | Operator Monitoring Assessment
| Others |
| OMA | Optical Map Assembler
| Others |
| OMA | Optical Multichannel Analyzer
| Others |
| OMA | Oracle Management Agent
| Others |
| OMA | Oral and Maxillofacial Associates
| Others |
| OMA | Orbiter Maintenance Area
| Others |
| OMA | Oregon Mediation Association
| Others |
| OMA | Oregon Medical Association
| Others |
| OMA | Organic Manuka active
| Others |
| OMA | Orlando Museum of Art
| Others |
| OMA | Orwin Manor Association
| Others |
| OMA | Oswalds Mill Audio
| Others |
| OMA | Outer Margin Area
| Others |
| OMA | Outlook Mobile Access
| Others |
| OMA | Outstanding Merchandising Achievement
| Others |