Family name Lazen (Lazen 
, ลาเซน 
) , in the entire world, is a rare last name. The cognomen Lazen is characteristic of Chile, where it is a rare surname, Brazil, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Chile, the United States, and Brazil. Much less frequently, Lazen is the forename as well as the last name.