Surname Илькер (Ilker 
, Илькер 
) , all around the world, is a rare cognomen. The cognomen Илькер is characteristic of North Macedonia, where it is quite a rare surname, Turkey, where it is a rare surname, and Austria. Measured by absolute frequency, this name is the most popular in Turkey, Germany, and North Macedonia. More frequently, Илькер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilker | Azerbaijan, United States, Germany, Turkey, France |
| Илькер | Belarus, Russia |