Cognomen Дуньчик (Дуньчик 
) , throughout the world, is a very rare surname. The last name Дуньчик is characteristic of Eastern Europe, particularly Belarus, where it is a rare surname, Ukraine, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Дуньчик | Russia, Ukraine, Belarus |