Surname קלוק (Kluck 
, קלוק 
) , in the entire world, is quite a rare family name. The family name קלוק is habitual in Germany, where it is quite a rare surname, Netherlands, and the United States, where it is a rare surname. Measured by absolute frequency, the name is most common in the United States, Germany, and Brazil. Very seldom, קלוק is the forename as well as the last name.