Cognomen Вальднер (Waldner 
, Valdner 
, Вальднер 
) , across the world, is quite a common family name. The last name Вальднер is characteristic of Austria, where it is quite a common surname, Switzerland, where it is quite a rare surname, and Malta. In absolute terms, it is the most numerous in Austria, the United States, and Germany. Very seldom, Вальднер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Waldner | Germany, Austria, Switzerland, United States, Canada |
| Valdner | Germany, Sweden, United States, Brazil, Slovakia |
| Вальднер | Russia, Ukraine |