| Acronym | Definition |
|---|
| NNMC | National Naval Medical Center (Bethesda, MD, USA) |
| NNMC | Northern New Mexico College (Espanola, MN) |
| NNMC | Northern Navajo Medical Center (New Mexico) |
| NNMC | Northern Nevada Medical Center |
| NNMC | Nigerian Newsprint Manufacturing Company |
| NNMC | Navi Mumbai Municipal Corporation |
| NNMC | Northern Nevada Mathematics Council |
| NNMC | National Network Monitoring Centre (UK) |
| NNMC | Nepal National Marwadi Council |
| NNMC | National Maritime Museum Cornwall (UK) |
| NNMC | Neural-network embedded Monte Carlo |
| NNMC | National Nutrition Month Campaign |
| NNMC | Northern Nevada Muslim Community |
| NNMC | Noord Nederlandsche Motorclub |
| NNMC | Neural-Network Models of Cognition |
| NNMC | New National Music Conservatory |
| NNMC | Nokie's Northwest Music Celebration |
| NNMC | NATO Network Management Center |
| NNMC | National Native Ministries Committee (Canada) |
| NNMC | NIH (National Institutes of Health) Neuroscience Microarray Consortium (genes) |