Last name اسوس (Assous 
, اسوس 
, Lassus 
) , globally, is quite a common surname. The cognomen اسوس is characteristic of France, where it is quite a rare surname, Algeria, and Finland. Not in comparison with a country's population, this name is the most popular in France, Algeria, and Morocco. Much less frequently, اسوس is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Assous | Algeria, Switzerland, France, Morocco, United States |
| اسوس | Iraq, Morocco |
| Lassus | Finland, France, Bolivia, United States, Argentina |