Cognomen קלופ (Klopp 
, קלופ 
) , around the globe, is quite a rare surname. The family name קלופ is characteristic of Luxembourg, where it is quite a common surname, Germany, where it is quite a rare surname, and Norway, where it is a rare surname. In absolute terms, the name is most common in the United States, Germany, and France. Much less frequently, קלופ is the forename as well as the last name.