Surname Halja (Халя 
, Halja 
) , throughout the world, is a very rare last name. The last name Halja is characteristic of Romania, where it is a rare surname, Spain, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. More prevalently, Halja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Халя | Ukraine, Russia, Kazakhstan |
| Halja | Romania, India, United States, Spain |