| Acronym | Definition |
|---|
| NMSG➣NATO Modelling and Simulation Group |
| NMSG➣Nordic Myeloma Study Group |
| NMSG➣New Muslims Support Group (est. 1999) |
| NMSG➣New Mexico State Guard |
| NMSG➣Network Management Subgroup |
| NMSG➣Network Management Support Group (MCI) |
| NMSG➣National Maritime Sense-Making Group (Singapore) |