Last name Тер-Оганесьян (Тер-Оганесьян 
) , globally, is a very rare cognomen. The last name Тер-Оганесьян is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname, and Ukraine. Parts of the name also exists independently as a first name Тер, and a last name Оганесьян.
| VARIANT | COUNTRY |
|---|---|
| Тер-Оганесьян | Ukraine, Russia |