Family name Iulker (Юлкер 
, Iulker 
) , around the world, is a very rare last name. The last name Iulker is characteristic of Eastern Europe, particularly Russia, where it is a very rare surname. Very seldom, Iulker is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Юлкер | Russia |
| Iulker | Brazil |