Cognomen Wtz (Wtz 
) , throughout the world, is a very rare family name. The surname Wtz is habitual in Western Europe, particularly Belgium, where it is a rare surname, France, where it is a very rare surname, and Germany. Very seldom, Wtz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wtz | Germany, China, Belgium, Thailand, France |