Kostiantynivka is a city in Donetsk Oblast, Kramatorsk Raion, Ukraine.
Kostiantynivka () may also refer to other inhabited localities in Ukraine:
Kostiantynivka, Cherkasy Raion, Cherkasy Oblast Kostiantynivka, Krasnokutsk settlement hromada, Bohodukhiv Raion, Kharkiv Oblast Kostiantynivka, Kostiantynivka rural hromada, Kakhovka Raion, Kherson Oblast Kostiantynivka, Mykolaiv Oblast Kostiantynivka, Pokrovsk Raion, Donetsk Oblast Kostiantynivka, Sumy Oblast
See also Konstantinovka (disambiguation) Constantinople (disambiguation) Kostiantynivka rural hromada (disambiguation) Kostiantynivka urban hromada Kostiantynivka Raion