| Nikolayev | Mykolajiv |
| Nikolayevsk | Nikolaevsk |
| Nikolayevsk-on-Amur | Nikolajevsk aan de Amoer |
| Nikolsky | Nikolskoje |
| Nikon | Nikon Corporation |
| Nikon-Trimble | Nikon-Trimble Corporation |
| Nikopol | Nikopol |
| Nikos Kazantzakis | Nikos Kazantzakis |
| Nikos Machlas | Nikolaos Machlas |
| Nikšić | Nikšić |
| nil | nul |
| Nilakanta Sri Ram | Nilakantha Sri Ram |
| Nile | Nijl |
| Nile - the | Nijl |
| Nile crocodile | Nijlkrokodil |
| Nile Delta | Nijldelta |
| Nile monitor | Nijlvaraan |
| Nilgiri Tahr | Nilgirithargeit |
| Nilo-Saharan languages | Nilo-Saharaanse talen |
| Nilometer | Nilometer |
| Nilotic languages | Nilo-Saharaanse talen |
| Nilpotent matrix | Nilpotent |
| Nils Liedholm | Nils Liedholm |
| Nilus | Nijl |
| nimble | alert |
| nimbleness | behendigheid |
| Nimbostratus cloud | Nimbostratus |
| nimbus | nimbus |
| NIMBY | NIMBY |
| Nimitz class aircraft carrier | Nimitz-klasse |
| Nimravidae | Nimravidae |
| Nimrod | Nimrod |
| Nimrod Fortress | Nimrod |
| Nimrodel | Nimrodel |
| Nimrud | Kalhu |
| Nimwegen | Nijmegen |
| Nimzo-Indian Defence | Nimzo-Indisch |
| Nina | Nina |
| Nina Hagen | Nina Hagen |
| Nina Schenk Gräfin von Stauffenberg | Nina Schenk von Stauffenberg |
| Nina Simone | Nina Simone |
| Nina Tower | Nina Tower I |
| Nina Zhivanevskaya | Nina Zjivanevskaja |
| Ninawa Governorate | Ninive |
| nincompoop | uilskuiken |
| Nindorf | Nindorf |
| nine | negen |
| Nine Destinies and a Downfall | Nine Destinies And a Downfall |
| Nine Inch Nails | Nine Inch Nails |
| Nine Inch Nails discography | Nine Inch Nails |
| Nine Worthies | Negen Besten |
| Nine-point circle | Negenpuntscirkel |
| Nine-spotted moth | Phegeavlinder |
| ninepin | kegel |
