Family name Athanasov (Атанасов 
, Athanasov 
) , all around the world, is a common last name. The cognomen Athanasov is characteristic of Bulgaria, where it is a common surname, Ukraine, where it is a rare surname, and Greece. In absolute terms, the name is most common in Eastern Europe, particularly Bulgaria, Ukraine, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Атанасов | Ukraine, Kazakhstan, Belarus, Russia, Bulgaria |
| Athanasov | Australia, Greece |
Atanasoff, Atanasov, Atanasova, Atanassow, and Atanassowa
| mikuláš athanasov Czechoslovak wrestler (1930-2005), SK (b. 1930) |
|