Surname Идельчик (Идельчик 
, Ideltchik 
) , all around the world, is a rare last name. The family name Идельчик is habitual in Belarus, where it is a rare surname, Russia, where it is a very rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Идельчик | Russia, Belarus |
| Ideltchik | Canada |