Last name لاسين (Lassen 
, لاسين) , in the entire world, is a common family name. The surname لاسين is habitual in Denmark, where it is quite a common surname, Norway, where it is quite a rare surname, and Namibia. Measured by absolute frequency, this name is the most popular in Denmark, Germany, and the United States. Much less frequently, لاسين is the forename as well as the last name.