Cognomen Егиазарьян (Egiazarian 
, Egiazaryan 
, Eguiazarian 
) , in all the world, is a rare last name. The family name Егиазарьян is characteristic of Armenia, where it is quite a rare surname, Georgia, and Bulgaria, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Russia, Armenia, and Georgia. Very seldom, Егиазарьян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Egiazarian | Russia, Czechia, Georgia, United States, France |
| Egiazaryan | Armenia, Russia, Bulgaria, United States, France |
| Eguiazarian | Finland, United States |
| Егиазарьян | Kazakhstan, Russia |
Yegiazaryan, and Yehiazaryan