NNEC
| Acronym | Definition |
|---|---|
| NNEC | NATO Network Enabled Capability |
| NNEC | Network for New Energy Choices (est. 2006; New York) |
| NNEC | National Nano Engineering Conference |
| NNEC | Northern Nishnawbe Education Council (Ontario, Canada) |
| NNEC | Now, Now Every Children (band) |
| NNEC | National Network Emergency Center |
| NNEC | Northern New England Conference of Seventh-Day Adventists |
| NNEC | North Nova Education Center |