Cognomen Vondrejc (Vondrejc 
) , in the world, is a very rare family name. The cognomen Vondrejc is habitual in Czechia, where it is a rare surname, Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Vondrejc | Germany, Czechia, United States |