Last name Добжаньський (Добжаньський 
) , in the entire world, is an extremely rare cognomen. The last name Добжаньський is habitual in Eastern Europe, particularly Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Добжаньський | Ukraine |
Dobzhanskii, Dobzhanskiy, and Dobzhansky