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Cognomen Kaltchev (Kaltchev
, Калчев
, Кальчев
) , across the world, is quite a rare last name. The cognomen Kaltchev is habitual in Eastern Europe, particularly Bulgaria, where it is quite a common surname, Moldova, where it is quite a rare surname, and Ukraine. In absolute terms, the name is most common in Eastern Europe, particularly Bulgaria, Ukraine, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Kaltchev | France, Bulgaria, United States, United Kingdom, Germany |
| Калчев | Kazakhstan, Russia, Bulgaria, Belarus, Ukraine |
| Кальчев | Kazakhstan, Russia, Bulgaria, Moldova, Ukraine |