| Acronym | Definition |
|---|
| NNM | Network Node Manager |
| NNM | No-Needle Mesotherapy (medical procedure) |
| NNM | Numismatic Notes and Monographs (American Numismatic Society) |
| NNM | National Nutrition Month (March; American Dietetic Association) |
| NNM | Naryan-Mar (Russia) |
| NNM | NASDAQ National Market (financial) |
| NNM | Network for New Music (Philadelphia, PA) |
| NNM | Netzwerk Neue Medien (German: New Media Network) |
| NNM | Net New Money |
| NNM | National Nutrition Mission (India) |
| NNM | Not Normally Manned (oil/gas platform) |
| NNM | Normal Narrow Margin (philately) |
| NNM | Neuronal Network Model |
| NNM | Nearest Neighbour Model |