Family name Фельзер (Felzer 
, Фельзер 
) , globally, is a rare last name. The last name Фельзер is habitual in Slovenia, where it is a rare surname, Germany, and the United States, where it is a very rare surname. Very seldom, Фельзер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Felzer | Germany, Philippines, United States, Canada, Slovenia |
| Фельзер | Kazakhstan, Russia, Ukraine |