Family name Ter-Mkrtichyan (Ter-Mkrtichyan 
, Тер-Мкртичьян 
) , throughout the world, is a very rare cognomen. The surname Ter-Mkrtichyan is habitual in Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Ter, and a last name Mkrtichyan.
| VARIANT | COUNTRY |
|---|---|
| Ter-Mkrtichyan | United States |
| Тер-Мкртичьян | Russia |