Nikolayevsky District
# Nikolayevsky District

Nikolayevsky District may refer to:

* Nikolayevsky District, Russia, name of several districts in Russia
* Mykolaiv Raion, Lviv Oblast, a former district of Lviv Oblast, Ukraine
* Mykolaiv Raion, Mykolaiv Oblast, a district of Mykolaiv Oblast, Ukraine
* Mykolaivka Raion, a district of Odesa Oblast, Ukraine
