Family name Khalayev (Khalayev, Халаев 
) , globally, is a rare cognomen. The surname Khalayev is habitual in Belarus, where it is a rare surname, Kazakhstan, and Uzbekistan. Not in comparison with a country's population, it is commonest in Russia, Kazakhstan, and Uzbekistan.
| VARIANT | COUNTRY |
|---|---|
| Халаев | Kazakhstan, Uzbekistan, Russia, Kyrgyzstan, Belarus |