Family name Зондер (Sonder 
, Зондер 
) , around the globe, is quite a rare last name. The surname Зондер is characteristic of Switzerland, where it is quite a rare surname, Netherlands, where it is a rare surname, and Denmark. Not in comparison with a country's population, it is the most numerous in Germany, Indonesia, and India. Much less frequently, Зондер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sonder | Germany, Indonesia, United States, India, France |
| Зондер | Russia, Ukraine |