Surname Вальтц (Valts 
, Вальтц ) , in the entire world, is a rare family name. The last name Вальтц is habitual in Northern Europe, particularly Latvia, where it is quite a rare surname, Estonia, and Finland, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Latvia, Russia, and Estonia. Likewise, Вальтц is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Valts | Estonia, Russia, Latvia, United States, Finland |
| Вальтц | Russia |