| Acronym | Definition |
|---|
| NMG | Network Media Gateway |
| NMG | Network Measurement Group |
| NMG | Network Management Gateway |
| NMG | Nationwide Marketing Group |
| NMG | No More Gas (Myers Motors electric vehicle) |
| NMG | Neighborhood Matching Grant (various locations) |
| NMG | Nettwerk Music Group (record label; various locations) |
| NMG | No Middle Ground (Christian pop-rock band) |
| NMG | News Media Guild (New York, NY) |
| NMG | New Mexico Genealogy |
| NMG | Navy Military Government (US Navy) |
| NMG | Northern Michigan Geocachers |
| NMG | New Mummer Group (New York) |
| NMG | NYCEP Morphometrics Group |
| NMG | Nuera Media Gateway |
| NMG | Navy Metrication Group |