Cognomen Riyanova (Riyanova 
, Риянова 
) , in the entire world, is a rare family name. The family name Riyanova is characteristic of Russia, where it is a rare surname, Kazakhstan, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Riyanova | Russia |
| Риянова | Kazakhstan, Russia, Ukraine |