Family name ינסן (Jensen 
, Janssens , Jenssen 
) , in all the world, is a widespread last name. The cognomen ינסן is characteristic of Denmark, where it is a prevalent surname, Greenland, and Norway, where it is a widespread surname (explore the name in all countries). In absolute terms, the name is most common in Denmark, the United States, and Belgium. Very seldom, ינסן is the forename as well as the last name.