Surname Riffis (Riffis 
) , around the world, is a very rare family name. The family name Riffis is habitual in France, where it is a very rare surname, Australia, and Mexico, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in France, Australia, and the United States. Very seldom, Riffis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Riffis | Mexico, France, United States, Australia |