Last name Галя (Galia 
, Галя 
, Galya ) , in all the world, is a common surname. The family name Галя is habitual in Armenia, where it is quite a rare surname, Georgia, and Moldova. Not in comparison with a country's population, it is commonest in Philippines, India, and Italy. More prevalently, Галя is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Galia, Galya | Italy, Bulgaria, Philippines, Democratic Republic of the Congo, India |
| Галя | Kazakhstan, Ukraine, Bulgaria, United States, Russia |
| Galja | Poland, Indonesia, Bulgaria, United States, India |