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Cognomen Khayrullaev (Хайруллаев
, Khayrullaev
, Хаируллаев
) , in the world, is quite a rare surname. The cognomen Khayrullaev is habitual in Central Asia, particularly Uzbekistan, where it is quite a rare surname, Kazakhstan, and Kyrgyzstan. Measured by absolute frequency, this name is the most popular in Uzbekistan, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Хайруллаев | Kazakhstan, Uzbekistan, Russia, Kyrgyzstan, Azerbaijan |
| Khayrullaev | Uzbekistan, United States, Russia |
| Хаируллаев | Kazakhstan, Uzbekistan, Russia |
| Хаыруллаев | Russia |