Cognomen Siyarov (Siyarov 
, Сияров 
) , across the world, is quite a rare family name. The family name Siyarov is habitual in Tajikistan, where it is quite a rare surname, Russia, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Siyarov | Russia |
| Сияров | Russia, Tajikistan, United States |