Surname יאניס (Yanis 
, Jānis 
, Yiannis 
) , in the entire world, is a common last name. The family name יאניס is habitual in Algeria, where it is quite a common surname, Panama, where it is quite a rare surname, and Cyprus. Not in comparison with a country's population, it most frequently occurs in Algeria, Indonesia, and France. More frequently, יאניס is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yanis | France, Indonesia, Greece, Algeria, Latvia |
| Jānis | Belgium, France, United Kingdom, United States, Latvia |
| Yiannis | France, Indonesia, Greece, Cyprus, Venezuela |
| יאניס | Israel |