Cognomen بالكو (Balko 
, Belko , بالكو) , around the world, is quite a common family name. The last name بالكو is habitual in Slovakia, where it is quite a common surname, Bosnia and Herzegovina, where it is quite a rare surname, and Croatia. Not in comparison with a country's population, it is commonest in Slovakia, the United States, and Germany. Very seldom, بالكو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Belko, Balko | Poland, United States, Slovakia, Czechia, Germany |