Surname Каумбаева (Каумбаева 
, Kaumbaeva 
) , in the world, is a rare family name. The cognomen Каумбаева is characteristic of Kazakhstan, where it is a rare surname, Spain, where it is a very rare surname, and Russia, where it is an extremely rare surname. Much less frequently, Каумбаева is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Каумбаева | Kazakhstan, Russia |
| Kaumbaeva | Kazakhstan, Spain |