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 | Uruguay, Switzerland, Austria, United States, Zambia |
| Зондереггер | Russia, Ukraine |
| fridel sonderegger CH (b. 1910) |
|
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| morgan sonderegger professor and researcher in linguistics |
|
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| moreno sonderegger CH (b. 1994) |
|