Surname Сундер (Sunder 
, Сундер 
, Zunder 
) , around the globe, is a common cognomen. The last name Сундер is habitual in Suriname, where it is quite a common surname, United Arab Emirates, where it is quite a rare surname, and Oman. Not in comparison with a country's population, it most frequently occurs in India, Germany, and United Arab Emirates. More prevalently, Сундер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sunder | Germany, United Arab Emirates, United States, Nepal, India |
| Сундер | Russia, Ukraine |
| Zunder | Germany, United Kingdom, United States, India, Canada |