Surname Юлкер (Julker 
, Юлкер 
, Iulker 
) , around the world, is a rare family name. The surname Юлкер is characteristic of Bangladesh, where it is a rare surname, Russia, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Юлкер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Julker | United States, India, Bangladesh |
| Юлкер | Russia |
| Iulker | Brazil |