Last name Gornostayeva (Горностаева 
, Gornostayeva 
) , worldwide, is quite a common family name. The last name Gornostayeva is habitual in Russia, where it is quite a rare surname, Kazakhstan, and Belarus, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Горностаева | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Gornostayeva | Canada, Russia, United States |