| Acronym | Definition |
|---|
| NNBC➣National Novelty Brush Company (Lancaster, PA) |
| NNBC➣Node-Negative Breast Cancer |
| NNBC➣New Native Baby Carrier |
| NNBC➣Node-Negative Breast Carcinoma |
| NNBC➣National Network of Breastfeeding Co-ordinators |
| NNBC➣North Naples Baptist Church (Florida) |
| NNBC➣National News Broadcasting Corporation |