Surname Chilaev (Chilaev 
, Шилаев 
, Чилаев 
) , throughout the world, is a rare last name. The family name Chilaev is habitual in Azerbaijan, where it is quite a rare surname, Russia, where it is a rare surname, and Kyrgyzstan.
| VARIANT | COUNTRY |
|---|---|
| Chilaev | Russia, United Kingdom |
| Шилаев | Kazakhstan, Russia |
| Чилаев | Azerbaijan, Kazakhstan, Russia, Kyrgyzstan, United States |