Cognomen Айваз (Ayvaz 
, Айваз 
, Aivaz 
) , around the world, is a common surname. The cognomen Айваз is habitual in Western Asia, particularly Turkey, where it is quite a common surname, Armenia, where it is quite a rare surname, and Georgia. Not in comparison with a country's population, it is commonest in Turkey, Germany, and Georgia. Much less frequently, Айваз is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ayvaz | Turkey, Germany, Bulgaria, United States, France |
| Айваз | Azerbaijan, Kazakhstan, Armenia, Russia, Bulgaria |
| Aivaz | Turkey, Germany, Romania, Georgia, United States |
| Ajvaz | Germany, North Macedonia, Australia, Serbia, United States |