Last name Keissner (Keissner 
) , in the world, is a very rare cognomen. The last name Keissner is habitual in Denmark, where it is a rare surname, Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Keissner is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Keissner | Germany, Spain, Denmark, United States |