Family name Kalmbah (Kalmbah 
, Кальмбах 
) , in the entire world, is a rare surname. The surname Kalmbah is characteristic of Kazakhstan, where it is a very rare surname, Russia, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Kalmbah | Canada, United States, Ukraine |
| Кальмбах | Russia, Kazakhstan, Ukraine |