Surname Bolja (Bolja 
) , across the world, is a very rare last name. The surname Bolja is habitual in Canada, where it is an extremely rare surname, Germany, and Venezuela. In absolute terms, it is commonest in Germany, the United States, and India. Also, Bolja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bolja | Germany, Spain, Canada, United States, India |