Cognomen Gayanova (Gayanova 
, Гаианова , Гаянова 
) , around the globe, is quite a rare last name. The surname Gayanova is characteristic of Russia, where it is a rare surname, Kazakhstan, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Gayanova | Estonia, Russia, Norway |
| Гаианова | Russia |
| Гаянова | Russia, Ukraine, Kazakhstan, Belarus |