Surname Костен (Kosten 
, Костен 
) , in all the world, is quite a rare last name. The last name Костен is habitual in Netherlands, where it is quite a rare surname, Slovenia, and Belgium, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in the United States, Netherlands, and Germany. Much less frequently, Костен is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kosten | Germany, Argentina, United States, Netherlands, Indonesia |
| Костен | Kazakhstan, Russia, Ukraine |
C-Tin, Constantijn, Constantin, Constantine, Constantino, Constantinus, Constantí, Costantino, Costantinos, Costas, Kanstancin, Kanstantin, Kanstantsin, Konstantin, Konstantinas, Konstantinos, Konstantins, Konstanty, Konstantyn, Konstantín, Konstantínos, Konstantīns, Kosta, Kostas, Kostiantyn, Kostjantyn, Kostyantyn, Κωνσταντίνος, Κώστας, Ντίνος, Канстанцін, Константи, Константин, Константино, Константинос, Константинс, Константы, Константій, Константінос, Коста, Костантино, Костя, Костянтин, קונסטנטין, قسطنطين, كونستانتين, კონსტანტინე, and コスタ