| ninfa | ninfa |
| Ninfadora Tonks | Nymphadora Tonks |
| ninfea | ninfea |
| Ninfeo | Ninfeo |
| ninfomane | ninfomaníaco |
| ninfomania | ninfomanía |
| Ningal | Ningal |
| Ningbo | Ningbo |
| Ningxia | Ningxia |
| Ningxia Hui | Ningxia |
| Ninhursag | Ninhursag |
| Ninive | Nínive |
| Ninja | Ninja |
| Ninja del Villaggio della Foglia | Jōnin de Konoha |
| Ninjutsu | Ninjutsu |
| ninnananna | arrullo |
| ninnare | hacer saltar sobre las rodillas |
| ninnolo | chuchería |
| Nino | Nino |
| Nino Rota | Nino Rota |
| Ninotchka | Ninotchka |
| Nintendo | Nintendo |
| Nintendo DS | Nintendo DS |
| Nintendo DS Lite | Nintendo DS Lite |
| Nintendo Entertainment System | Nintendo Entertainment System |
| Nintendo GameCube | Nintendo GameCube |
| Nintendo Virtual Boy | Virtual Boy |
| Nintendo Wi-Fi Connection | Nintendo WiFi Connection |
| Nintoku | Emperador Nintoku |
| Ninò Burdzhanadze | Nino Buryanadze |
| Niobe | Níobe |
| niobio | niobio |
| Niort | Niort |
| nipote | nieto |
| Nipote femmina da parte di zio | La sobrina |
| Nipote maschio da parte di zio | El sobrino |
| Nippon Budokan | Nippon Budokan |
| Nippon Hōsō Kyōkai | NHK |
| Nipponia nippon | Nipponia nippon |
| Nipponosaurus sachalinensis | Nipponosaurus |
| Nippur | Nippur |
| Nirnaeth Arnoediad | Nirnaeth Arnoediad |
| nirvana | nirvana |
| Nirvāṇa | Nirvana |
| Nisa | Nisa |
| Nisargadatta Maharaj | Sri Nisargadatta Maharaj |
| Nishapur | Nishapur |
| Nishinomiya | Nishinomiya |
| Nisibis | Acre |
| Nissan | Nisán |
| Nissan Stadium | Estadio Internacional de Yokohama |
| Nistro | Dniéster |
| Nisubanebdjed | Esmendes II |
| NIT | Nat |
| Nitardo | Nitardo |
| Niten Ryu | Niten Ichi Ryu |
| Niterói | Niterói |
| nitidezza | claridad |
| nitido | nítido |
| Nitokerty | Nitocris |
| nitrato | nitrato |
| nitrato di potassio | nitro |
| nitrato di sodio | nitro |
| Nitrazione | Nitración |
| nitrificazione | nitrificación |
| nitrire | relinchar |
| nitrito | relincho |
| Nitrito di potassio | Nitrato de potasio |
| Nitrito di sodio | Nitrato sódico |
| Nitrobenzene | Nitrobenceno |
| nitrocomposti | nitrocompuestos |
| nitroglicerina | nitroglicerina |
| nitrosammine | nitrosamina |
| nitroso | nitroso |
| Nitrox | Nitrox |
| Nitruro di boro | Nitruro de boro |
| Niue | Niue |
| Nivelles | Nivelles |
| NIX | Nix |
| Nixie | Tubo Nixie |
| Nizariti | Nizaríes |
| Nizza | Niza |
| Nièvre | Nièvre |
| Niña | La Niña |
| Niğde | Provincia de Niğde |
| Niš | Niš |
| Nižnij Novgorod | Nizhny Nóvgorod |
| Nižny Novgorod | Nizhny Nóvgorod |
| Njörðr | Njörðr |
| NK Domžale | NK Domžale |
| NK Inter Zaprešić | NK Inter Zaprešić |
| NK Maribor | NK Maribor |
| NK Osijek | NK Osijek |
| NK Varteks Varaždin | NK Varteks Varaždin |
| NK Zagabria | NK Zagreb |
| NKVD | NKVD |
| NL | NL |
| no | voto en contra |
| No Euro | No Euro |
| No Hay Igual | No hay igual |
| No Prayer for the Dying | No Prayer for the Dying |
| No Use for a Name | No Use for a Name |
| No Wave | No wave |
| No-global | Antiglobalización |
| No-One but You | No-One but You |
| Noa | Ajinoam Nini |
| Noah Wyle | Noah Wyle |
| Noam Chomsky | Noam Chomsky |
| Noasaurus leali | Noasaurus |
| Nobazia | Nobatia |
| nobelio | nobelio |
| nobildonna | noble |
| nobile | con título de nobleza |
| nobile di nascita | de ilustre cuna |
