Family name Тер-Аствацатрян (Тер-Аствацатрян 
) , in all the world, is an extremely rare cognomen. The cognomen Тер-Аствацатрян is characteristic of Eastern Europe, particularly Ukraine, where it is an extremely rare surname, and Russia. Parts of the name also exists independently as a first name Тер, and a first name Аствацатрян.
| VARIANT | COUNTRY |
|---|---|
| Тер-Аствацатрян | Russia, Ukraine |