Surname Кошер (Кошер 
) , in the entire world, is a rare last name. The family name Кошер is habitual in Ukraine, where it is a rare surname, Russia, where it is a very rare surname, and Kazakhstan. Also, Кошер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Кошер | Kazakhstan, Russia, Ukraine |