Cognomen لونيس (Lounis 
, لونيس , Lunis 
) , across the world, is a common surname. The surname لونيس is habitual in Algeria, where it is quite a common surname, France, where it is quite a rare surname, and Tunisia. Likewise, لونيس is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lounis | Tunisia, Morocco, Algeria, United States, France |
| لونيس | Algeria |
| Lunis | Indonesia, Algeria, United States, India, France |
| Lonnis | Malaysia, Mexico, United States, France, Venezuela |