Cognomen Хилватиллаев (Хилватиллаев 
) , in the world, is a very rare surname. The cognomen Хилватиллаев is characteristic of Kyrgyzstan, where it is a rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Хилватиллаев | Russia, Kyrgyzstan |