Surname Bilyaeva (Bilyaeva 
, Биляева 
) , all over the world, is a rare last name. The surname Bilyaeva is characteristic of Belarus, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Bilyaeva | Russia, Ukraine |
| Биляева | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |