Surname Dubiana (Dubiana 
) , worldwide, is a very rare last name. The family name Dubiana is habitual in Latin America and the Caribbean, particularly Colombia, where it is a very rare surname, Venezuela, and Honduras. Not in comparison with a country's population, this name is the most popular in Latin America and the Caribbean, particularly Colombia, Venezuela, and Mexico. Likewise, Dubiana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dubiana | Mexico, Venezuela, United States, Colombia, Nigeria |