Family name كونستانتين (Konstantin 
, Constantin 
, Constantine ) , around the globe, is a widespread cognomen. The cognomen كونستانتين is characteristic of Greece, where it is a prevalent surname, Romania, where it is a widespread surname, and Moldova, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, the name is most common in Greece, Romania, and Algeria. Also, كونستانتين is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Konstantin | Germany, Romania, Moldova, Greece, France |
| Constantin, Constantine | Germany, Romania, Algeria, Greece, France |
| كونستانتين | Jordan |
C-Tin, Constantijn, Constantino, Constantinus, Constantí, Costantino, Costantinos, Costas, Kanstancin, Kanstantin, Kanstantsin, Konsta, Konstantinas, Konstantine, Konstantinos, Konstantins, Konstanty, Konstantyn, Konstantín, Konstantínos, Konstantīns, Konstiantyn, Kosta, Kostadin, Kostas, Kosti, Kostiantyn, Kostjantyn, Kostyantyn, Κωνσταντίνος, Κώστας, Ντίνος, Канстанцін, Константи, Константин, Константино, Константинос, Константинс, Константы, Константій, Константінос, Коста, Костадин, Костантино, Костен, Кости, Костя, Костянтин, קונסטנטין, قسطنطين, კონსტანტინე, and コスタ