Mykolaivka urban hromada (Ukrainian: Миколаївська міська громада) is a hromada of Ukraine, located in Kramatorsk Raion, Donetsk Oblast.

Its administrative center is the city Mykolaivka.

[1] It has an area of 334.3 square kilometres (129.1 sq mi) and a population of 20,943, as of 2020.

[2] The hromada contains 15 settlements: 1 city (Mykolaivka), 2 urban-type settlements (Raihorodok and Donetske), and 12 villages:[2]