Nikolskii
The taxon authority Nikolskii, Nikolskij, Nikolsky, or Никольский may refer to:
- Alexander Mikhailovich Nikolsky (1858–1942), Russian (Soviet) zoologist
- Georgij Vasilievich Nikolskij (1910–1977), Russian (Soviet) ichthyologist
The taxon authority Nikolskii, Nikolskij, Nikolsky, or Никольский may refer to: