Cognomen Zilyaev (Zilyaev 
, Зиляев 
) , across the world, is a very rare family name. The last name Zilyaev is habitual in Russia, where it is a very rare surname, Kazakhstan, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Zilyaev | Russia |
| Зиляев | Kazakhstan, Russia, Ukraine |