All over the world, Kostjantyn (Костянтин 
, Костянтын , Kostjantyn) is a widespread masculine first name. The forename Kostjantyn is characteristic of Eastern Europe, particularly Ukraine, where it is a common male name.
| VARIANT | COUNTRY |
|---|---|
| Костянтин | Ukraine, Russia |
| Костянтын | Russia |
C-Tin, Constantijn, Constantin, Constantine, Constantino, Constantinus, Constantí, Costantinos, Costas, Konstantin, Konstantinas, Konstantinos, Konstanty, Konstantyn, Konstantín, Konstantínos, Kost, Kosta, Kostas, Kostiantyn, Kostyantyn, Κωνσταντίνος, Κώστας, Ντίνος, Канстанцін, Константи, Константин, Константино, Константинос, Константы, Константій, Константінос, Коста, Костен, Кость, Костя, קונסטנטין, قسطنطين, كونستانتين, კონსტანტინე, and コスタ
Kostjantyn is also a name for the fictitious and mythical characters: Konstantin Kovar , the fictional character from the television series Arrow; Konstantin Gavrilovich Treplyov , the character in the play "The Seagull"; Konstantin Dmitrievich Levin , the character in Anna Karenina and Konstantin Riedmüller , character in Storm of Love.
| kostjantyn kurylenko handball player (b. 1980) |
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