| Nikolaus Lenau | Nikolaus Lenau |
| Nikolaus Otto | Nicolaus Otto |
| Nikolaus von Falkenhorst | Nikolaus von Falkenhorst |
| Nikolaus von Zinzendorf | Nicolaus Ludwig Zinzendorf |
| Nikolay Karpol | Nikolay Karpol |
| Nikomedes I | Nicomedes I of Bithynia |
| Nikomedia | Nicomedia |
| Nikon | Nikon |
| Nikon-Trimble | Nikon-Trimble |
| Nikopol | Nikopol |
| Nikopolis | Nicopolis |
| Nikos Dabizas | Nikos Dabizas |
| Nikos Kazantzakis | Nikos Kazantzakis |
| Nikos Machlas | Nikos Machlas |
| nikotyna | nicotine |
| nikotynowy | nicotinic |
| Nikozja | Nicosia |
| Nikołaj Adlerberg | Nikolay Adlerberg |
| Nikołaj Basow | Nikolay Basov |
| Nikołaj Bażukow | Nikolay Bazhukov |
| Nikołaj Bucharin | Nikolai Bukharin |
| Nikołaj Bułganin | Nikolai Bulganin |
| Nikołaj Chabibulin | Nikolai Khabibulin |
| Nikołaj Czebotariew | Nikolai Chebotaryov |
| Nikołaj Czernych | Nikolai Stepanovich Chernykh |
| Nikołaj Danilewski | Nikolay Yakovlevich Danilevsky |
| Nikołaj Dawidienko | Nikolay Davydenko |
| Nikołaj Gastello | Nikolai Gastello |
| Nikołaj Giaurow | Nicolai Ghiaurov |
| Nikołaj Iliew | Nikolay Iliev |
| Nikołaj Jakowlewicz Marr | Nicholas Marr |
| Nikołaj Jaroszenko | Nikolai Yaroshenko |
| Nikołaj Jeżow | Nikolai Yezhov |
| Nikołaj Judenicz | Nikolai Nikolaevich Yudenich |
| Nikołaj Kamienski | Nikolay Kamenskiy |
| Nikołaj Kamow | Nikolay Kamov |
| Nikołaj Karamzin | Nikolay Karamzin |
| Nikołaj Karpienko | Nikolay Karpenko |
| Nikołaj Kondratiew | Nikolai Kondratiev |
| Nikołaj Krogius | Nikolai Krogius |
| Nikołaj Krugłow | Nikolay Nikolayevich Kruglov |
| Nikołaj Kulemin | Nikolai Kulemin |
| Nikołaj Kuzniecow | Nikolai Gerasimovich Kuznetsov |
| Nikołaj Michajłow | Nikolay Mihaylov |
| Nikołaj Nikołajewicz Bogolubow | Nikolay Bogolyubov |
| Nikołaj Nosow | Nikolay Nosov |
| Nikołaj Ogarkow | Nikolai Ogarkov |
| Nikołaj Podgorny | Nikolai Podgorny |
| Nikołaj Polikarpow | Nikolai Nikolaevich Polikarpov |
| Nikołaj Przewalski | Nikolai Przhevalsky |
| Nikołaj Rajewski | Nikolay Raevsky |
| Nikołaj Rukawisznikow | Nikolai Rukavishnikov |
| Nikołaj Ryżkow | Nikolai Ryzhkov |
| Nikołaj Siemionow | Nikolay Semyonov |
| Nikołaj Siergiejewicz Trubieckoj | Nikolai Trubetzkoy |
| Nikołaj Suchozanet | Nikolai Sukhozanet |
| Nikołaj Szwernik | Nikolay Shvernik |
| Nikołaj Tanajew | Nikolai Tanayev |
| Nikołaj Tichonow | Nikolai Tikhonov |
| Nikołaj Watutin | Nikolai Fyodorovich Vatutin |
| Nikołaj Wawiłow | Nikolai Vavilov |
| Nikołaj Wałujew | Nikolai Valuev |
| Nikołaj Woronow | Nikolai Voronov |
| Nikołaj Własik | Nikolai Vlasik |
| Nikołaj Łuzin | Nikolai Luzin |
| Nikołajewsk nad Amurem | Nikolayevsk-on-Amur |
| Niksa | Nix |
| Niksar | Niksar |
| nikt | nobody |
| nikły | fleeting |
| Nikšić | Nikšić |
| Nil | Nile |
| Nil Biały | White Nile |
| Nil Błękitny | Blue Nile |
| Nilo | Nilo |
| Nils Gustaf Dalén | Gustaf Dalén |
| Nils Liedholm | Nils Liedholm |
| Nilus | Nile |
| nim | nim |
| Nimba | Mount Nimba |
| Nimbostratus | Nimbostratus cloud |
| nimbus | nimbus |
