Cognomen Кощиева (Кощиева 
) , in the world, is a very rare family name. The surname Кощиева is habitual in Kazakhstan, where it is a rare surname, Bulgaria, and Kyrgyzstan, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Kazakhstan, Bulgaria, and Russia. Much less frequently, Кощиева is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Кощиева | Kyrgyzstan, Kazakhstan, Russia, Bulgaria |