| Nikolai Stepanovich Chernykh | Nikolai Stepanovich Chernykh |
| Nikolai Vavilov | Nikolai Vavilov |
| Nikolaos Deligiannis | Nikólaos Deligiánnis |
| Nikolaos Kalogeropulos | Nikólaos Kalogerópulos |
| Nikolaos Plastiras | Nikólaos Plastíras |
| Nikolaos Skalkottas | Níkos Skalkótas |
| Nikolaos Stratos | Nikólaos Strátos |
| Nikolaos Triantaphillakos | Nikólaos Triantafillákos |
| Nikolaus August Otto | Nikolaus Otto |
| Nikolaus Harnoncourt | Nikolaus Harnoncourt |
| Nikolaus Joseph von Jacquin | Nikolaus Joseph von Jacquin |
| Nikolay Davydenko | Nikolay Davydenko |
| Nikolay Nikolaevich Semenov | Nikolay Nikolayevich Semyonov |
| Nikolái Vasílievich Gógol | Nikolai Gogol |
| Nikon | Nikon |
| Nikon-Trimble | Nikon-Trimble |
| Nikos Kazantzaki | Níkos Kazantzákis |
| Nikos Kazantzakis | Níkos Kazantzákis |
| Niká | Revolta de Nika |
| Niké | Niké |
| Nilmar Honorato da Silva | Nilmar Honorato da Silva |
| Nilo | Nilo |
| Nilo Azul | Nilo Azul |
| Nilo Blanco | Nilo Branco |
| Nilo Superior | Alto Nilo |
| Nilpotente | Nilpotente |
| Nils Gustaf Dalén | Nils Gustaf Dalén |
| Nils Jönsson | Nils Jönsson |
| Nils Liedholm | Nils Liedholm |
| Nils Rosén von Rosenstein | Nils Rosén von Rosenstein |
| Nilton Santos | Nilton Santos |
| nilón | náilon |
| Nilótico | Nilotas |
| Nim | Nim |
| Nimbostratus | Nimbostratus |
| Nimbus | Nimbus |
| NIMBY | NIMBY |
| Nimega | Noviomago |
| Nimes | Nîmes |
| nimiedad | gota d'água no oceano |
| Nina Alexeyevna Lobkovskaya | Nina Alexeyevna Lobkovskaya |
| Nina Hagen | Nina Hagen |
| Nina Simone | Nina Simone |
| Ninawa | Nínive |
| Nindokai | Nindokai |
| Nine Inch Nails | Nine Inch Nails |
| Ninetales | Ninetales |
| ninfa | ninfa |
| ninfa del bosque | dríade |
| ninfas | caturra |
| ninfea | ninféia |
