Across the world, Vlka (Вълка 
, Vlka 
) is quite a rare feminine given name. The forename Vlka is habitual in Bulgaria, where it is quite a common girly name, and India, where it is an extremely rare epicene name. Also, Vlka is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Вълка | Bulgaria |
| Vlka | India |