Family name 拉苏斯 (Lassus 
, 拉苏斯) , in the entire world, is quite a rare last name. The cognomen 拉苏斯 is habitual in France, where it is quite a rare surname, Finland, and Puerto Rico. In absolute terms, it most frequently occurs in France, the United States, and Finland. Much less frequently, 拉苏斯 is the forename as well as the last name.