Mykolaivka (Ukrainian: Миколаївка, Russian: Николаевка) is a rural settlement in Sievierodonetsk Raion (district) in Luhansk Oblast of eastern Ukraine.

Mykolaivka located at about 76 kilometres (47 mi) WNW from the centre of Luhansk city, at about 21 kilometres (13 mi) SW from Sievierodonetsk.

Native language as of the Ukrainian Census of 2001:[1] The settlement came under attack by Russian forces during the Russian invasion of Ukraine in 2022.

[2] On 5 June of that year, the Russian general Roman Kutuzov was killed in Mykolaivka by Ukrainian forces.

[3] This article about a location in Luhansk Oblast is a stub.