Surname Kaellner (Kaellner 
) , worldwide, is a very rare family name. The last name Kaellner is characteristic of Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Kaellner is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaellner | Germany, United States |