Family name Кастен (Kasten 
, Casten , Кастен 
) , around the world, is a common last name. The family name Кастен is habitual in Germany, where it is quite a rare surname, Denmark, and the United States. Not in comparison with a country's population, it is commonest in Germany, the United States, and Philippines. Much less frequently, Кастен is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Casten, Kasten | Germany, Philippines, Mexico, United States, Brazil |
| Кастен | Kyrgyzstan, Ukraine, Russia |