Mykolaivka rural hromada () is a hromada of Ukraine, located in Synelnykove Raion, Dnipropetrovsk Oblast. Its administrative center is the village of Mykolaivka.
It has an area of and a population of 9,764, as of 2020.
The hromada contains 17 settlements, including 16 villages:
And 1 rural-type settlement: .