Family name Бияков (Бияков 
) , around the world, is a very rare cognomen. The cognomen Бияков is habitual in Kazakhstan, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Бияков | Kazakhstan, Russia |
| бияков, сергей тимофеевич RU (b. 1900) |
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бияков, олег анатольевич RU (b. 1956) |
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