Family name Mardiz (Mardiz 
) , in the world, is an extremely rare cognomen. The surname Mardiz is habitual in Nicaragua, where it is a very rare surname, Honduras, and the United States, where it is an extremely rare surname. Also, Mardiz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mardiz | Brazil, United States, Nicaragua, Honduras |