Surname Halaev (Halaev 
, Халаев 
) , in the entire world, is a rare cognomen. The family name Halaev is habitual in Belarus, where it is a rare surname, Kazakhstan, and Uzbekistan. Measured by absolute frequency, it is the most numerous in Russia, Kazakhstan, and Uzbekistan.
| VARIANT | COUNTRY |
|---|---|
| Halaev | Russia, Ukraine |
| Халаев | Kyrgyzstan, Russia, Kazakhstan, Belarus, Uzbekistan |