Family name Balyasov (Balyasov 
, Балясов 
) , in the world, is a rare cognomen. The cognomen Balyasov is characteristic of Eastern Europe, particularly Russia, where it is a rare surname, Belarus, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Balyasov | Russia, Ukraine, United States |
| Балясов | Belarus, Russia, Kazakhstan, Ukraine |