Last name קארלסון (Karlsson 
, קארלסון 
) , in all the world, is a common cognomen. The family name קארלסון is habitual in Northern Europe, particularly Sweden, where it is a widespread surname, Iceland, where it is a common surname, and Finland, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Northern Europe, particularly Sweden, Finland, and Norway. Much less frequently, קארלסון is the forename as well as the last name.