Surname Kouloujian (Kouloujian 
) , across the world, is an extremely rare last name. The surname Kouloujian is characteristic of Argentina, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Kouloujian | United States, Argentina |
| hagop kouloujian Western Armenian linguist, researcher, university lecturer. |
|