Across the world, Kaltchev (Kaltchev 
, Калчев 
, Кальчев 
) is an extremely rare unknown gender given name. Much more prevalently, Kaltchev is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kaltchev | United Kingdom, United States, France, Bulgaria, Germany |
| Калчев | Ukraine, Kazakhstan, Belarus, Russia, Bulgaria |
| Кальчев | Ukraine, Kazakhstan, Moldova, Russia, Bulgaria |
| dobrin kaltchev |
|