Cognomen 琼森 (Jonson 
, Jonsson 
, 琼森 
) , worldwide, is a common surname. The last name 琼森 is characteristic of Iceland, where it is a prevalent surname, Sweden, where it is a common surname, and Malta, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, the name is most common in Sweden, Iceland, and Philippines. Very seldom, 琼森 is the forename as well as the last name.