Cognomen Хаузер (Hauser 
, Hauzer 
, Houser ) , in the entire world, is a common family name. The last name Хаузер is habitual in Western Europe, particularly Switzerland, where it is quite a common surname, Austria, and Liechtenstein (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in the United States, Germany, and Switzerland. Very seldom, Хаузер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hauser | Switzerland, United States, Germany, Czechia, Austria |
| Hauzer | Poland, Canada, United States, Germany, Czechia |
| Houser | Canada, United States, Germany, Czechia, Austria |
| Хаузер | Russia, Kazakhstan, Ukraine |