Surname Кошубаева (Кошубаева 
) , globally, is a very rare family name. The surname Кошубаева is characteristic of Kazakhstan, where it is a rare surname, Kyrgyzstan, and Russia, where it is a very rare surname. Very seldom, Кошубаева is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Кошубаева | Kyrgyzstan, Kazakhstan, Russia |