Nikolai
Nikolai or Nikolay is an East Slavic variant of the masculine name Nicholas. It may refer to:
People
Royalty
- Nicholas I of Russia (1796–1855), or Nikolay I, Emperor of Russia from 1825 until 1855
 - Nicholas II of Russia (1868–1918), or Nikolay II, last Emperor of Russia, from 1894 until 1917
 - Prince Nikolai of Denmark (born 1999)
 
Other people
Nikolai
- Nikolai Aleksandrovich (disambiguation) or Nikolay Aleksandrovich, several people
 - Nikolai Antropov (born 1980), Kazakh former ice hockey winger
 - Nikolai Berdyaev (1874–1948), Russian religious and political philosopher
 - Nikolai Bogomolov (born 1991), Russian professional ice hockey defenceman
 - Nikolai Bukharin (1888–1938), Bolshevik revolutionary and Soviet politician
 - Nikolai Bulganin (1895–1975), Soviet politician and minister of defence
 - Nikolai Chernykh (1931–2004), Russian astronomer
 - Nikolai Dmitriev (1829–1823), Russian composer
 - Nikolai Dmitriev (1898–1954), Soviet linguist
 - Nikolai Dudorov (1906–1977), Soviet politician
 - Nikolai Dzhumagaliev (born 1952), Soviet serial killer
 - Nikolai Goc (born 1986), German ice hockey player
 - Nikolai Gogol (1809–1852), Russian dramatist and novelist
 - Nikolai Fraiture (born 1978) American bassist for The Strokes
 - Nikolai Khabibulin (born 1973), Russian former ice hockey goaltender
 - Nikolai Kinski (born 1976), film actor
 - Nikolai Kotlyar (1935–2003), Soviet engineer, maritime specialist and politician
 - Nikolai Kulemin (born 1986), Russian ice hockey winger
 - Nikolai Lobachevsky (1792–1856), Russian mathematician and geometer
 - Nikolai Lukashenko (born 2004), third son of Alexander Lukashenko, the president of Belarus
 - Nikolai Maspanov (born 1945), Estonian politician
 - Nikolai Medtner (1880–1951), Russian composer and pianist
 - Nikolai Melnikov (born 1948), Soviet Olympic champion water polo player
 - Nikolai Myaskovsky (1881–1950), Russian composer
 - Nikolai Novosjolov (born 1980), Estonian fencer
 - Nikolai Onoprienko (1911–1979), Soviet Red Army colonel
 - Nikolai Pegov (1905–1991), Soviet official and diplomat
 - Nikolai Pozdneev (1930–1978), Russian painter
 - Nikolai Przhevalsky (1839–1888), Russian geographer and explorer
 - Nikolai Rimsky-Korsakov (1844–1908), Russian composer
 - Nikolai Rubinstein (1835–1881), Russian painter, conductor and composer
 - Nikolai Ryzhkov (1929-2024), Russian politician
 - Nikolai Shchelokov (1910–1984), Soviet statesman and army general
 - Nikolai Sinebrychoff (1789-1848), Russian businessman
 - Nikolai Slichenko (1934–2021), Soviet and Russian singer, actor, and theatre director
 - Nikolai Tanayev (1945–2020), Kyrgyz politician
 - Nikolai Tcherepnin (1873–1945), Russian composer, pianist, and conductor
 - Nikolai Tikhonov (writer) (1896–1979), Soviet writer
 - Nikolai Tikhonov (1905–1997), Russian politician
 - Nikolai Timkov (1912–1993), Russian painter
 - Nikolai Topor-Stanley (born 1985), Australian footballer
 - Nikolai Tirkkonen (1875-1926), Finnish merchant
 - Nikolai Valuev (born 1973), Russian boxer and world heavyweight champion
 - Nikolai Vavilov (1887–1943), Russian botanist and geneticist
 - Nikolai Volkoff (1947–2018), professional WWF wrestler
 - Nikolai Yezhov (1895–1940), head of NKVD and perpetrator of the Great Purge
 - Nikolai Zherdev (born 1984), Russian ice hockey player
 
Nikolay
- Nikolay Baskov (born 1976), Russian singer
 - Nikolay Bobrikov (1839-1904), Russian Governor-General of Finland
 - Nikolay Davydenko (born 1981), professional tennis player
 - Nikolay Dollezhal (1899–2000), Soviet nuclear reactor designer, head of NIKIET from 1952–1986
 - Nikolay Epshtein (1919–2005), Soviet ice hockey coach
 - Nikolay Pechalov (born 1970), Olympic and World champion in weightlifting
 - Nikolay Peskov (born 1990), Russian army veteran
 - Nikolay Rastorguev (born 1957), lead singer of the Russian group Lyube
 - Nikolay Shubin (born 1956), Georgian-born Russian serial killer
 
Other uses
- Nikolai, Alaska, a city in the United States 
- Nikolai Airport, an airport serving Nikolai, Alaska
 
 - Nikolai (vodka), a brand of vodka
 
See also
- All pages with titles beginning with Nikolai , includes many people with first given name Nikolai
 - All pages with titles beginning with Nikolay, includes many people with first given name Nikolay
 - Kolja (disambiguation)
 - Kolya (disambiguation)
 - Nikola (disambiguation)
 - Nicola (disambiguation)
 - Nicolai (disambiguation)
 - Nikolayev (surname)