In all the world, Вадек (Вадек 
, Wadeck 
) is a very rare male forename. The first name Вадек is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare boy's name. Also, Вадек is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Вадек | Kazakhstan, Ukraine, Russia |
| Wadeck | Germany, Brazil, Canada, United States, France |