Cognomen Яворек (Яворек 
, Javorek 
) , around the world, is a rare family name. The surname Яворек is habitual in Slovakia, where it is quite a rare surname, Czechia, and Croatia, where it is a rare surname. In absolute terms, it most frequently occurs in Slovakia, Czechia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Яворек | Ukraine, Russia |
| Javorek | Slovakia, Croatia, Germany, United States, Czechia |