Surname ラセン (Lacen 
, ラセン) , around the world, is quite a rare last name. The last name ラセン is characteristic of Slovenia, where it is quite a rare surname, Puerto Rico, and the Dominican Republic, where it is a rare surname. In absolute terms, the name is most common in the United States, Algeria, and Puerto Rico. Also, ラセン is the forename as well as the last name.