Surname Kadzayev (Kadzayev 
, Кадзаев 
) , in the world, is a rare last name. The family name Kadzayev is habitual in Russia, where it is a very rare surname, Kazakhstan, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kadzayev | Russia, United States |
| Кадзаев | Kazakhstan, Russia, Ukraine |