Surname Цук (Cuk 
, Czuk 
, Tsuk 
) , in the entire world, is quite a common last name. The family name Цук is characteristic of Southern Europe, particularly Slovenia, where it is quite a common surname, Serbia, and Bosnia and Herzegovina (explore the name in all countries). In absolute terms, it is commonest in Serbia, Indonesia, and Slovenia. Very seldom, Цук is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cuk | United States, Indonesia, Bosnia and Herzegovina, Slovenia, Serbia |
| Czuk | Argentina, United States, France, Poland, Germany |
| Tsuk | India, United States, France, Portugal, Canada |
| Цук | Ukraine, Russia, Kazakhstan |