Last name Prosner (Prosner 
) , globally, is a very rare family name. The cognomen Prosner is characteristic of Czechia, where it is a rare surname, Israel, where it is a very rare surname, and Germany, where it is an extremely rare surname. Much less frequently, Prosner is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prosner | Philippines, Brazil, Czechia, Israel, Germany |