NNSC
| Acronym | Definition |
|---|---|
| NNSC | Nsfnet Network Service Center |
| NNSC | NSF Network Service Center |
| NNSC | Neutral Nations Supervisory Commission |
| NNSC | International Symposium on Neural Networks and Soft Computing in Structural Engineering |
| NNSC | National Nuclear Security Conference |
| NNSC | Nooksack Nordic Ski Club (Washington) |
| NNSC | Nonstarch Neutral-Detergent Soluble Carbohydrates |