Last name Maretz (Maretz 
) , all around the world, is a very rare cognomen. The cognomen Maretz is characteristic of France, where it is a very rare surname, Canada, and the United States, where it is an extremely rare surname. Very seldom, Maretz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Maretz | Canada, United States, Germany, South Africa, France |