Mykolaivka urban hromada () is a hromada of Ukraine, located in Kramatorsk Raion, Donetsk Oblast. Its administrative center is the city Mykolaivka.
It has an area of and a population of 20,943, as of 2020.
The hromada contains 15 settlements: 1 city (Mykolaivka), 2 urban-type settlements (Raihorodok and Donetske), and 12 villages: