Cognomen Гальян (Galian 
, Гальян 
, Galyan 
) , worldwide, is quite a rare surname. The surname Гальян is habitual in Argentina, where it is quite a rare surname, Armenia, where it is a rare surname, and Spain. In absolute terms, it is the most numerous in Argentina, Turkey, and Spain. Very seldom, Гальян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Galian | Spain, United States, Philippines, Argentina, France |
| Гальян | Kazakhstan, Ukraine, Russia |
| Galyan | United States, Philippines, India, France, Turkey |