Surname Krolczyk (Krolczyk 
) , around the world, is quite a rare last name. The surname Krolczyk is characteristic of Poland, where it is quite a rare surname, the United States, where it is a rare surname, and Germany, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Krolczyk | United Kingdom, Germany, Poland, Canada, United States |
| adam krolczyk German theologian, DE (b. 1826) |
|