Nikolayevsk (disambiguation)
# Nikolayevsk (disambiguation)

Nikolayevsk is a town in Volgograd Oblast, Russia.

Nikolayevsk or Nikolaevsk may also refer to:

* Nikolayevsk Urban Settlement, a municipal formation which the town of district significance of Nikolayevsk in Nikolayevsky District of Volgograd Oblast, Russia is incorporated as
* Nikolaevsk, Alaska, a town in Alaska, United States
* Nikolayevsk-on-Amur, a town in Khabarovsk Krai, Russia
