Cognomen קובאל (Koval 
, קובאל 
) , worldwide, is a common surname. The family name קובאל is habitual in Slovakia, where it is quite a common surname, Estonia, where it is quite a rare surname, and Czechia. Measured by absolute frequency, this name is the most popular in the United States, Slovakia, and Russia. Much less frequently, קובאל is the forename as well as the last name.