Surname Atanassoff (Атанасов 
, Atanassoff 
) , all over the world, is a common family name. The surname Atanassoff is characteristic of Eastern Europe, particularly Bulgaria, where it is a common surname, Ukraine, where it is a rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Атанасов | Kazakhstan, Belarus, Bulgaria, Russia, Ukraine |
| Atanassoff | Bulgaria, France, Argentina, Australia, Germany |
Atanasov, Atanasova, Atanassow, and Atanassowa
| cyril atanassoff French choreographer, FR (b. 1941) |
|