Family name Kāl (Kahl 
, Kāl) , in the entire world, is a common cognomen. The family name Kāl is characteristic of Germany, where it is quite a common surname, Austria, where it is quite a rare surname, and Denmark. Not in comparison with a country's population, it is the most numerous in Germany, the United States, and Brazil. Much less frequently, Kāl is the forename as well as the last name.