Cognomen Dancek (Dancek 
) , in the entire world, is a very rare surname. The surname Dancek is habitual in Slovakia, where it is quite a rare surname, Canada, where it is a very rare surname, and Germany, where it is an extremely rare surname. In absolute terms, it is commonest in Slovakia, Canada, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Dancek | Canada, Germany, United States, Slovakia |