| Acronym | Definition |
|---|
| NMA | National Motorists Association |
| NMA | Nederlandse Mededingingsautoriteit |
| NMA | National Medical Association |
| NMA | National Mining Association |
| NMA | Network Meta-Analysis (statistics) |
| NMA | Negative Mental Attitude (psychology) |
| NMA | New Model Army |
| NMA | National Meteorological Agency (Ethiopia) |
| NMA | Network Monitoring and Analysis |
| NMA | Novell Managewise Agent |
| NMA | Network Management Application |
| NMA | Network Management Architecture |
| NMA | New Message Acknowledgement |
| NMA | Network Management and Analysis |
| NMA | Netware Management Agent |
| NMA | New Media Age (UK) |
| NMA | National Magazine Awards |
| NMA | National Movie Awards |
| NMA | Network Management Application (software) |
| NMA | Nepal Mountaineering Association (Kathmandu, Nepal) |
| NMA | North Mississippi Allstars |
| NMA | National Meat Association |
| NMA | Nigerian Medical Association (Abuja, Nigeria) |
| NMA | National Management Association |
| NMA | Norwegian Medicines Agency (regulatory authority) |
| NMA | National Mapping Agencies |
| NMA | Nidec Motors & Actuators (France) |
| NMA | Normal Mode Analysis |
| NMA | Nepal Medical Association |
| NMA | Nevada Mining Association |
| NMA | Nadic Methyl Anhydride |
| NMA | Norwegian Mapping Authority |
| NMA | Non-Myeloablative |
| NMA | Non-Medical Attendant |
| NMA | Nobeyama Millimeter Array |
| NMA | Network Monitoring and Analysis (Bellcore) |
| NMA | Northwest Motorcycle Association |
| NMA | National Monuments Act (Ireland) |
| NMA | Nordic Marine Academy (Bergen, Norway) |
| NMA | NetWare Management Agent (Novell) |
| NMA | National Micrographics Association (now part of AIIM) |
| NMA | New Media Alliance |
| NMA | Neighbourhood Management Area (UK) |
| NMA | Network Management and Administration (Bellcore) |
| NMA | National Mathematics Advisory (US Department of Education) |
| NMA | Nocturnal Models Agency (alternative modeling) |
| NMA | New Mexico Archives |
| NMA | National Mustang Association |
| NMA | Number of Methods Added |
| NMA | Normal Melting Agarose |
| NMA | New Membership Application |
| NMA | NATO Military Authorities |
| NMA | Null Modem Adapter (Lucent) |
| NMA | Newfoundland Medical Association |
| NMA | Non-Medical Assessment |
| NMA | National Military Authority |
| NMA | No More Acronyms |
| NMA | National Management Award (insurance) |
| NMA | Network Manifold Associates, Inc (California IT security) |
| NMA | National Mine Academy |
| NMA | Network Monitoring and Administration (software) |
| NMA | National Maritime Alliance |
| NMA | Niagara Musky Association (est. 1994; fish population preservation) |
| NMA | Nuclear Materials Accountability |
| NMA | Not My Aisle (flight attendant slang) |
| NMA | Non-Military Affiliated |
| NMA | Non-Material Alternative |
| NMA | Nebraska Marksmanship Association (Papillion, NE) |
| NMA | Nacionalin Mokjimo Agentra (Lithuanian: National Paying Agency; Vilnius, Lithuania) |