Cognomen Buyalo (Buyalo 
, Буяло 
) , in the world, is a rare family name. The cognomen Buyalo is habitual in Ukraine, where it is a rare surname, Spain, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Buyalo | Spain, Ukraine, Russia |
| Буяло | Kazakhstan, Ukraine, Russia |
| sergej buyalo Ph.D. |
|