Last name Bydałek (Bydałek 
) , in the world, is a very rare surname. The surname Bydałek is characteristic of Eastern Europe, particularly Poland, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bydałek | Poland |
| franciszek bydałek researcher (ORCID 0000-0003-1603-5665) |
|