Cognomen כרש (Karsch 
, כרש 
) , across the world, is quite a rare surname. The last name כרש is habitual in Germany, where it is quite a rare surname, Czechia, where it is a rare surname, and Slovakia. Measured by absolute frequency, the name is most common in Germany, the United States, and Czechia. Very seldom, כרש is the forename as well as the last name.