Surname Jefka (Jefka 
) , in all the world, is a very rare family name. The surname Jefka is characteristic of Austria, where it is a rare surname, and the United States, where it is an extremely rare surname. More prevalently, Jefka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jefka | Austria, United States, Democratic Republic of the Congo |