Globally, Wadner (Wadner 
) is a rare masculine given name. The forename Wadner is characteristic of Latin America and the Caribbean, particularly the Dominican Republic, where it is quite a rare male name, Peru, where it is a very rare boy's name, and Brazil. In absolute terms, the name is most common in the Dominican Republic, Brazil, and the United States. Very seldom, Wadner is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Wadner | Haiti, Dominican Republic, Sweden, Brazil, United States |