Cognomen Gefner (Gefner 
) , all around the world, is a very rare surname. The last name Gefner is habitual in Georgia, where it is a very rare surname, Germany, and Israel. Not in comparison with a country's population, this name is the most popular in the United States, Germany, and Russia. Very seldom, Gefner is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gefner | Philippines, Brazil, United States, Germany, Russia |
| chane gefner holocaust victim, b. 1900-12-13, AT (b. 1900) |
|