Mykolaivka Druha () is a common toponym (place name) in Ukraine:
Villages Mykolaivka Druha, Donetsk Oblast, a village in Donetsk Oblast Mykolaivka Druha, Lozova Raion, Kharkiv Oblast, a village in Lozova Raion, Kharkiv Oblast Mykolaivka Druha, Kupiansk Raion, Kharkiv Oblast, a village in Kupiansk Raion, Kharkiv Oblast Mykolaivka Druha, Zaporizhzhia Oblast, a village in Zaporizhzhia Oblast
Rural settlements Mykolaivka Druha, former name of the rural settlement Mykolaivka in Mykolaivka settlement hromada, Berezivka Raion, Odesa Oblast
See also Mykolaivka