Last name Briannis (Briannis 
) , globally, is a very rare surname. The surname Briannis is habitual in Greece, where it is a rare surname, Venezuela, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Briannis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Briannis | United States, Greece, Venezuela |