Last name لوسو (Lussu 
, لوسو, Lessu 
) , throughout the world, is quite a rare family name. The surname لوسو is habitual in Italy, where it is quite a rare surname, Switzerland, where it is a rare surname, and Austria. Not in comparison with a country's population, it most frequently occurs in Italy, Indonesia, and France. Much less frequently, لوسو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lussu | Switzerland, Italy, France, India, Germany |
| Lessu | United States, Indonesia |