Cognomen Лассаль (Lassal 
, Lassalle 
, Lasalo 
) , throughout the world, is a common family name. The last name Лассаль is characteristic of France, where it is quite a common surname, Puerto Rico, where it is quite a rare surname, and Luxembourg. In absolute terms, the name is most common in France, Argentina, and the United States. Much less frequently, Лассаль is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lassal | Algeria, United States, France, Morocco, Germany |
| Lassalle | Argentina, United States, France, Bolivia, Germany |
| Lasalo | Philippines, United States, Australia, France, South Africa |
| Лассаль | Russia |