Family name Cletz (Cletz 
) , all around the world, is a very rare surname. The cognomen Cletz is habitual in France, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and Canada. Very seldom, Cletz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cletz | United Kingdom, Canada, Philippines, France |