NMSG
| 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) |