Throughout the world, Илькин (Илькин 
) is quite a rare masculine forename. The forename Илькин is habitual in Azerbaijan, where it is quite a rare male name, and Russia, where it is a very rare male name. Also, Илькин is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Илькин | Azerbaijan, Kazakhstan, Russia, Belarus |