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Family name Kaldarbek (Калдарбек
, Kaldarbek
) , around the world, is a rare surname. The cognomen Kaldarbek is habitual in Kyrgyzstan, where it is quite a common surname, Azerbaijan, where it is quite a rare surname, and Kazakhstan, where it is a rare surname. Not in comparison with a country's population, it is commonest in Kyrgyzstan, Azerbaijan, and Russia. More prevalently, Kaldarbek is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Калдарбек | Ukraine, Kazakhstan, Russia, Azerbaijan, Kyrgyzstan |
| Kaldarbek | United States, Kazakhstan |