| nuisance sonore | noise nuisance |
| nuisible | bad |
| nuit | nighttime |
| nuit américaine | day for night |
| Nuit blanche | Midnight sun |
| Nuit de cristal | Kristallnacht |
| Nuit de gel | Frosty night |
| nuit de Noël | Christmas Eve |
| Nuit de Walpurgis | Walpurgis night |
| Nuit des crayons | Night of the Pencils |
| Nuit des Longs Couteaux | Night of the Long Knives |
| Nuit des Molières | Molière Award |
| Nuit et brouillard | Nacht und Nebel |
| Nuit européenne de la chauve-souris | European Bat Night |
| nuit noire | pitch-black |
| Nuit étoilée | Starlit night |
| Nuits blanches à Seattle | Sleepless in Seattle |
| Nujalik | Nujalik |
| Nukak | Nukak |
| Nuku Hiva | Nuku Hiva |
| Nukualofa | Nukuʻalofa |
| Nukus | Nukus |
| nul | void |
| Nul autre | No one else |
| nul et non avenu | null and void |
| Nul ne le sait | None can tell |
| nulle | worthless |
| nulle part | nowhere |
| nullement | not at all |
| nullité | nullity |
| Nullsoft | Nullsoft |
| NUMA | Non-Uniform Memory Access |
| Numa Numa | Numa Numa |
| Numa Pompilius | Numa Pompilius |
| Numance | Numantia |
| Numedalslågen | Numedalslågen |
| Numenius madagascariensis | Far Eastern Curlew |
| Numero | Number |
| Numeroter | Assign a number |
| Numididae | Helmeted Guineafowl |
| Numidie | Numidia |
| numismate | numismatist |
| numismatique | numismatics |
