Family name Тер-Ісаян (Тер-Ісаян 
) , all around the world, is an extremely rare last name. The family name Тер-Ісаян is habitual in Eastern Europe, particularly Ukraine, where it is a very rare surname. Parts of the name also exists independently as a first name Тер, and a last name Ісаян.
| VARIANT | COUNTRY |
|---|---|
| Тер-Ісаян | Ukraine |