Family name Тер-Казарян (Тер-Казарян 
, Ter-Kazarian 
) , around the globe, is a very rare cognomen. The surname Тер-Казарян is habitual in Belarus, where it is a very rare surname, Russia, and Israel. In absolute terms, this name is the most popular in Eastern Europe, particularly Russia, Belarus, and Ukraine. Parts of the name also exists independently as a first name Тер, and a last name Казарян.
| VARIANT | COUNTRY |
|---|---|
| Тер-Казарян | Russia, Ukraine, Belarus |
| Ter-Kazarian | Israel, Germany |