| Abbreviation | Definition |
|---|---|
| NMTC | New Mexico Technology Council |
| NMTC | Northeastern Maryland Technology Council |
| NMTI | National Medal of Technology and Innovation |
| NND | National Nanotechnology Directorate |
| NNI | National Nanotechnology Initiative |
| NNL | Nanoscience and Nanotechnology Letters |
| NNS | New Numeral Scheme |
| NOCAsaService | NOC As a Service |
| NOHC | Normally Open Held Closed |
| NOMT | Nuclear Objects of Marine Technology |
| NOST | Netherlands Office of Science and Technology |
| NOTC | National Ocean Technology Center |
| NOTES | Nano Optic Technology for Enhanced Security |
| NPST | National Plan for Science and Technology |
| NPT | Natural Procreative Technology |
| NPT | Network for Photovoltaic Technology |
| NPT | New Payment Technology |
| NPT | New Profile Technology |
| NPTC | National Park Technology Center |
| NPTC | National Poultry Technology Center |