| N body problem | Problema de los tres cuerpos |
| N galaxy | Galaxia N |
| N magnitude | Magnitud N |
| N star | Estrella N |
| N'Djamena | Yamena |
| N-body problem | Problema de los tres cuerpos |
| N-Butyllithium | N-butil-litio |
| N-Gage | N-Gage |
| N-gram | N-grama |
| N-sphere | Esfera |
| N-terminus | N-terminal |
| Na Mokulua | Nā Mokulua |
| Na-Dené languages | Lenguas na-dené |
| Naamah | Naamá |
| Naaman | Naaman |
| nab | agarrar |
| Nabarniz | Navárniz |
| Nabataeans | Nabateo |
| Nabeshima clan | Clan Nabeshima |
| Nabis | Nabis |
| Nabla in cylindrical and spherical coordinates | Tabla en coordenadas cilíndricas y esféricas |
| Nabla symbol | Nabla |
| Nablus | Nablus |
| nabob | nabab |
| Nabonidus | Nabonido |
| Naboo | Naboo |
| Nabopolassar | Nabopolasar |
| Nabta Playa | Playa Nabta |
| Nabu | Nabu |
| Nabucco | Nabucco |
| Nabucco Pipeline | Nabucco |
| Nacala | Nacala |
| nacelle | barquilla |
| Nachman of Breslov | Najman de Breslav |
| Nacht und Nebel | Decreto Nacht und Nebel |
| nacre | nácar |
| Nad Tatrou sa blýska | Nad Tatrou sa blýska |
| Nadab of Israel | Nadab |
| Nadaism | Nadaísmo |
| Nadar | Gaspard-Félix Tournachon |
| Nader al-Dahabi | Nader Dahabi |
| Nader Shah | Nadir Sah |
| Nadezhda Konstantinovna Krupskaya | Nadezhda Krupskaya |
| Nadezhda Mandelstam | Nadezhda Mandelstam |
| Nadezhda Olizarenko | Nadezhda Olizarenko |
| NADH dehydrogenase | NADH deshidrogenasa |
| Nadi | Nadi |
| Nadia | Nadia |
| Nadia Comăneci | Nadia Comăneci |
| Nadia Petrova | Nadia Petrova |
| Nadia Yassine | Nadia Yasín |
| Nadija Hordijenko Andrianova | Nadija Hordijenko Andrianova |
| Nadine | Nadine Beiler |
| Nadine Gordimer | Nadine Gordimer |
| nadir | nadir |
| Nador | Nador |
| NADP | Nicotinamida adenina dinucleótido |
| Nadsat | Nadsat |
| Nadsat lexicon | Nadsat |
| Naegleria fowleri | Naegleria fowleri |
| Nafarroa Bai | Nafarroa Bai |
| NAFC Championship | Copa NAFC |
| Nafnaþulur | Nafnaþulur |
| Nafplion | Nauplia |
| NAFTA | Tratado de Libre Comercio de América del Norte |
| nag | quejarse |
| nag at | criticar a |
