Cognomen ラーソン (Larson 
, Larsson , ラーソン) , around the globe, is a widespread surname. The last name ラーソン is habitual in Northern Europe, particularly Sweden, where it is a widespread surname, Denmark, where it is quite a common surname, and Norway (explore the name in all countries). Measured by absolute frequency, it is the most numerous in the United States, Sweden, and Canada. Much less frequently, ラーソン is the forename as well as the last name.