Mykolaivka settlement hromada () is a hromada of Ukraine, located in Berezivka Raion, Odesa Oblast. Its administrative center is the town of Mykolaivka.
It has an area of and a population of 7,172, as of 2020.
The hromada includes 23 settlements: 1 rural settlement (Mykolaivka) and 22 villages: