Across the world, Sonderegger (Sonderegger 
, Зондереггер 
) is an extremely rare girly first name. Predominantly, Sonderegger is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sonderegger | Zambia, Switzerland, United States, Uruguay, Austria |
| Зондереггер | Russia, Ukraine |
| fridel sonderegger CH (b. 1910) |
|
|
| morgan sonderegger professor and researcher in linguistics |
|
|
| moreno sonderegger CH (b. 1994) |
|