Surname Хаируллаева (Хаируллаева 
, Khairullaeva 
, Khayrullaeva ) , in the entire world, is a very rare last name. The surname Хаируллаева is habitual in Kazakhstan, where it is a very rare surname, Russia, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Хаируллаева | Kazakhstan, Russia |
| Khairullaeva | Kazakhstan, Russia, United States |
| Khayrullaeva | United States |