| Abbreviation | Definition |
|---|---|
| NSM | Neural State Machine |
| NSO | New Spam Order |
| NSP | Native Signal Processing |
| NSP | Neuro Semantic Programming |
| NSP | Numeric Space |
| NSS | NATURAL Security System |
| NT | Null Type |
| NT | Windows New Technology (Microsoft) |
| NTBK | Notebook! |
| NTF | No Trouble Found |
| NTFS | NT File System (new with Windows NT) |
| NTI | No Type Inclusion |
| NTM | Nondeterministic Turing Machine |
| NTS/2 | Network Transport Services/2 |
| NTUG | Nordic Tex Users Group |
| NTUG | Nordic Transputer User Group |
| NUC | National Users' Conference |
| NUC | New Uses Council |
| NUG | Nazarene Users Group |
| NUG | NCS Learn Users' Group |