| Acronym | Definition |
|---|
| NMN➣No Middle Name |
| NMN➣Nicotinamide Mononucleotide |
| NMN➣NoMeansNo (band) |
| NMN➣No Means No (slang; band) |
| NMN➣National Moth Night (UK) |
| NMN➣No Medics Necessary (gaming clan) |
| NMN➣New Media Network (Columbia, MO) |
| NMN➣National Monitoring Network |
| NMN➣Noise-Masking Noise |
| NMN➣National Management Network (UK) |
| NMN➣Non-metallic Metal (painting) |
| NMN➣Nationwide Mortgage News |
| NMN➣No Mutants Allowed (Fallout game website) |