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Last name Kalustyan (Калустян
, Kalustyan
, Калустьян
) , around the world, is a rare family name. The last name Kalustyan is characteristic of Eastern Europe, particularly Bulgaria, where it is quite a rare surname, Russia, where it is a rare surname, and Belarus, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Eastern Europe, particularly Russia, Bulgaria, and Ukraine. Very seldom, Kalustyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Калустян | Ukraine, Armenia, Russia, Belarus, Bulgaria |
| Kalustyan | Russia, Turkey, Bulgaria, United States |
| Калустьян | Ukraine, Russia |
Kaloustian, Калустиан, and Калустйан