| Acronym | Definition |
|---|
| NAMMA➣NASA (National Aeronautics and Space Administration) African Monsoon Multidisciplinary Analysis |
| NAMMA➣North American Maritime Ministry Association (est. 1932) |
| NAMMA➣NATO (North Atlantic Treaty Organization) Multi-Role Combat Aircraft Development and Production Management Agency (now NATO Eurofighter and Tornado Management Agency) |
| NAMMA➣North Atlantic Marine Mammal Association |