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 | Sweden, Philippines, Tanzania, Brazil, Democratic Republic of the Congo |
| Joonas | Germany, Sweden, United States, Denmark, Brazil |
| Conas | South Africa, Angola, United States, Tanzania, Brazil |