Family name Атанас (Атанас 
, Atanas 
, Athanase 
) , in the entire world, is a common cognomen. The surname Атанас is habitual in Bulgaria, where it is a common surname, North Macedonia, and Seychelles (explore the name in all countries). Not in comparison with a country's population, the name is most common in Bulgaria, Tanzania, and North Macedonia. Also, Атанас is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Атанас | Belarus, Russia, Bulgaria, Ukraine |
| Atanas | Tanzania, Bulgaria, Kenya, Cameroon, North Macedonia |
| Athanase | Tanzania, Ethiopia, Cameroon, Ivory Coast, Democratic Republic of the Congo |
| Athanas | Tanzania, Bulgaria, Kenya, Cameroon, Democratic Republic of the Congo |
Afanasij, Afanassi, Afanasy, Anastas, Apanas, Atanasije, Atanasio, Atanazy, Atanáz, Athanasios, Athanasius, Athanásios, Thanas, Αθανάσιος, Апанас, Атаназий, Атанасие, Атанасиос, Атанасій, Афанас, Афанасий, Афанасиос, Афанасиус, Афанасі, Афанасій, Афоня, Опанас, Панас, Танас, and Танасий