Family name Wacner (Wacner 
) , throughout the world, is an extremely rare cognomen. The last name Wacner is characteristic of Latin America and the Caribbean, particularly Argentina, where it is an extremely rare surname, and Mexico. More prevalently, Wacner is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wacner | Brazil, Argentina, Mexico, United States, Peru |