Cognomen Dadadjanov (Dadadjanov 
, Дададйанов 
) , around the world, is a very rare last name. The surname Dadadjanov is characteristic of Lithuania, where it is a rare surname, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dadadjanov | Lithuania |
| Дададйанов | Russia |