| Abbreviation | Definition |
|---|---|
| NURBS | Non-Uniform Rational Beizer-Spline |
| NUS | Net Uniform Series |
| NUTS | Nomenclature des Unités Territoriales Statistiques (Nomenclature of Territorial Units for Statistics) |
| NUTS | Nomenclature of Units for Territorial Statistics |
| NV | Necessary Variable |
| NV | New Value |
| NV | Number of Vertices |
| NVM | Non-Value Member |
| NWMA | New World Mathematics Awards |
| NWS | Needleman - Wunsch - Sellers algorithm |
| NWTST | Nash- Williams Transfinite Sequence Theorem |
| NX | Necessarily X |
| NX | Node X |
| NX | Not X |
| NXM | Matrix, N rows by M columns |
| NXN | Square matrix, N rows by N columns |
| NXR | No X Repeat |
| NYSAMS | New York State Association of Mathematics Supervisors |
| NYSMATYC | New York State Mathematics Association of Two-Year Colleges |
| NZT | Non Zero Term |