Surname Kuiumdzhian (Kuiumdzhian, Куюмджян 
) , in all the world, is a rare last name. The family name Kuiumdzhian is habitual in Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Куюмджян | Ukraine, Russia |