Cognomen جوناس (Jonas 
, Joonas 
, Conas 
) , around the globe, is a widespread family name. The last name جوناس is characteristic of Antigua and Barbuda, where it is a common surname, Namibia, and Hungary, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, the name is most common in Tanzania, South Africa, and Germany. More prevalently, جوناس is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jonas | Brazil, Philippines, Tanzania, Sweden, Democratic Republic of the Congo |
| Joonas | Brazil, United States, Sweden, Denmark, Germany |
| Conas | Brazil, Tanzania, Angola, South Africa, United States |