Family name Marcz (Marcz 
) , in the world, is a rare last name. The cognomen Marcz is habitual in Hungary, where it is quite a rare surname, Switzerland, where it is a very rare surname, and Belgium. Measured by absolute frequency, it is the most numerous in Hungary, Poland, and the United States. Very seldom, Marcz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marcz | Switzerland, Hungary, Belgium, United States, Poland |