Surname Dubni (Dubni 
) , in all the world, is a rare cognomen. The surname Dubni is habitual in India, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and the United States. Also, Dubni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dubni | India, United States, Venezuela |