Family name Кусниязов (Кусниязов 
) , in all the world, is a rare cognomen. The family name Кусниязов is habitual in Azerbaijan, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Кусниязов | Azerbaijan, Kazakhstan, Russia |