'''Nicolai''' may refer to:
*Nicolai (given name) people with the forename ''Nicolai'' *Nicolai (surname) people with the surname ''Nicolai'' *Nicolai (crater), a crater on the Moon
==See also== {{srt}} * Niccolai, a surname * Nicolae (disambiguation) * Nicolao * Nicolay (disambiguation) * Nikolai (disambiguation) * Nikolay (disambiguation)
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