Family name Frontis (Frontis 
) , in the entire world, is a very rare last name. The surname Frontis is habitual in Greece, where it is a very rare surname, the United States, and Spain, where it is an extremely rare surname. Also, Frontis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Frontis | Venezuela, Greece, Spain, United States |