Cognomen Уильбаев (Уильбаев 
) , all around the world, is an extremely rare family name. The surname Уильбаев is characteristic of Central Asia, particularly Kazakhstan, where it is a very rare surname. Likewise, Уильбаев is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Уильбаев | Kazakhstan |