Surname Дадек (Дадек 
) , globally, is an extremely rare family name. The surname Дадек is characteristic of Kyrgyzstan, where it is a very rare surname, and Russia, where it is an extremely rare surname. Likewise, Дадек is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Дадек | Kyrgyzstan, Russia |