Surname Cornas (Cornas 
) , globally, is a very rare last name. The last name Cornas is habitual in Argentina, where it is a very rare surname, Spain, where it is an extremely rare surname, and Brazil. Also, Cornas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cornas | Spain, United States, Tanzania, Argentina, Brazil |
| pedro cornas (b. 1893) |
|