Tsar Nicholas may refer to:
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Nicholas I of Russia
Nicholas I, group=pron (Russian language, Russian: Николай I Павлович; – ) was Emperor of Russia, List of rulers of Partitioned Poland#Kings of the Kingdom of Poland, King of Congress Poland, and Grand Duke of Finland from 18 ...
(1796–1855), Emperor of Russia from 1825 to 1855
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Nicholas II of Russia
Nicholas II (Nikolai Alexandrovich Romanov; 186817 July 1918) or Nikolai II was the last reigning Emperor of Russia, Congress Poland, King of Congress Poland, and Grand Duke of Finland from 1 November 1894 until Abdication of Nicholas II, hi ...
(1868–1918), last Emperor of Russia from 1894 until abdication in 1917. Also known as Orthodox Saint Nicholas the Passion Bearer
{{human name disambiguation, Nicholas, Tsar