Nikolai Sergeyev may refer to:
* (1855–1919), Russian painter
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Nicholas Sergeyev (1876–1951), Russian choreographer and ballet master
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Nikolai Sergeyev (actor) (1894–1988), Russian actor
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Nikolai Sergeyev (painter) (1908–1989), Russian painter
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Nikolai Sergeyev (admiral) (1909–1999), Admiral of the Fleet of the Soviet Navy
{{hndis, Sergeyev, Nikolai