Cognomen Khostyan (Хостьян 
, Khostyan , Хостян ) , in all the world, is a rare last name. The last name Khostyan is characteristic of Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Very seldom, Khostyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Хостьян | Russia, Ukraine |
| Khostyan, Хостян | Russia |