In the world, Koltz (Koltz 
) is a very rare principally feminine, but very seldom male given name. The forename Koltz is habitual in Western Asia, particularly Israel, where it is a rare girly name. Much more prevalently, Koltz is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Koltz | Germany, United States, France, Brazil, Luxembourg |