| Acronym | Definition |
|---|
| NMSA➣National Middle School Association |
| NMSA➣Naturopathic Medical Student Association (various organizations) |
| NMSA➣News Music Search Archive (SouthernMedia) |
| NMSA➣New Mexico Statutes Annotated |
| NMSA➣National Meteorological Services Agency |
| NMSA➣New Mexico School for the Arts (Santa Fe, NM) |
| NMSA➣National Manufacturing Skills Academy (UK) |
| NMSA➣Nominal Maximum Size of Aggregate |
| NMSA➣National Master Supply Arrangement |
| NMSA➣New Mexico Substate Area |
| NMSA➣Nonnuclear Munitions Storage Area |
| NMSA➣National Movers and Storage Association |
| NMSA➣Non-Metropolitan Statistical Area |
| NMSA➣Norwegian Medical Students' Association (Norwegian Medical Association) |
| NMSA➣North Atlantic Treaty Organization Maintenance and Supply Agency |
| NMSA➣Nonmortgage Servicing Asset |