Surname Klakk (Клак 
, Klakk 
, كلاك 
) , in the entire world, is a rare cognomen. The surname Klakk is habitual in Ukraine, where it is quite a rare surname, Belarus, where it is a rare surname, and Syria. Measured by absolute frequency, this name is the most popular in Eastern Europe, particularly Ukraine, Russia, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Клак | Kazakhstan, Ukraine, Belarus, Russia |
| Klakk | United States |
| كلاك | Syria |
| ólavur klakk actor (b. 1949) |
|
|
| heidi klakk researcher |
|