Family name Ларссон (Larson 
, Larsson , Ларссон 
) , across the world, is a widespread last name. The surname Ларссон is characteristic of 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). Not in comparison with a country's population, it is the most numerous in the United States, Sweden, and Canada. Very seldom, Ларссон is the forename as well as the last name.