Last name Баясов (Баясов 
) , globally, is a rare cognomen. The last name Баясов is characteristic of Azerbaijan, where it is quite a rare surname, Kyrgyzstan, where it is a rare surname, and Kazakhstan. Not in comparison with a country's population, the name is most common in Azerbaijan, Russia, and Kazakhstan. Much less frequently, Баясов is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Баясов | Kyrgyzstan, Kazakhstan, Russia, Azerbaijan |