Surname ינסון (Jansson 
, ינסון 
) , in the world, is a common family name. The cognomen ינסון is characteristic of Sweden, where it is a common surname, Finland, where it is quite a common surname, and Eswatini (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Sweden, Finland, and the United States. Very seldom, ינסון is the forename as well as the last name.