All over the world, Wilczak (Wilczak 
) is a very rare female given name. The forename Wilczak is habitual in Eastern Asia, particularly China, where it is an extremely rare feminine name. Likewise, Wilczak is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Wilczak | Germany, United States, Poland, France, Brazil |