Last name Кортубаева (Кортубаева 
) , all around the world, is a very rare family name. The cognomen Кортубаева is habitual in Kyrgyzstan, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Кортубаева | Kyrgyzstan, Kazakhstan, Russia |