Cognomen Штерк (Sterk 
, Штерк 
, Shterk 
) , around the globe, is quite a common family name. The cognomen Штерк is habitual in Aland Islands, where it is quite a common surname, Curacao, and Netherlands (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Germany, Netherlands, and the United States. Much less frequently, Штерк is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sterk | Germany, Australia, United States, Slovenia, Netherlands |
| Штерк | Kazakhstan, Russia, Ukraine, Belarus |
| Shterk | Bulgaria, Russia, Israel, United States |
| Stärk | Germany, South Africa, Spain, United States, Netherlands |