Family name קלבס (Klebs 
, קלבס 
) , worldwide, is a rare cognomen. The family name קלבס is habitual in Germany, where it is a rare surname, Switzerland, and the United States, where it is a very rare surname. Measured by absolute frequency, the name is most common in Germany, the United States, and Poland. Very seldom, קלבס is the forename as well as the last name.