Family name カールソン (Carlson 
, Karlsson , Carlsson ) , in all the world, is a widespread last name. The family name カールソン is habitual in Northern Europe, particularly Sweden, where it is a prevalent surname, Iceland, where it is a common surname, and Finland (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Sweden, the United States, and Finland. Much less frequently, カールソン is the forename as well as the last name.