Cognomen Гаиазов (Гаиазов 
, Gayazov 
) , in the entire world, is a rare last name. The cognomen Гаиазов is characteristic of Russia, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Гаиазов | Russia |
| Gayazov | Russia, United States |