Cognomen Smucz (Smucz 
) , in the world, is an extremely rare surname. The last name Smucz is habitual in Northern America, particularly Canada, where it is an extremely rare surname, and the United States. More frequently, Smucz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Smucz | Poland, Canada, United States |