Last name Галстян (Галстян 
, Galstyan 
, Galstian 
) , all over the world, is a common cognomen. The family name Галстян is habitual in Armenia, where it is quite a common surname, Georgia, where it is quite a rare surname, and Belize. Not in comparison with a country's population, it is the most numerous in Russia, Armenia, and Ukraine. Likewise, Галстян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Галстян | Belarus, Armenia, Azerbaijan, Russia, Ukraine |
| Galstyan | France, Armenia, United States, Germany, Russia |
| Galstian | France, Armenia, Georgia, United States, Russia |
| Galstjan | Germany, United States |
|
овик галстян Ukrainian association football player, UA (b. 1976) |
|
|
арсен жораевич галстян Russian Judoka, Olympic champion, RU (b. 1989) |
|