Surname Douany (Douany 
) , in all the world, is a rare last name. The cognomen Douany is habitual in the Democratic Republic of the Congo, where it is a rare surname, Spain, where it is an extremely rare surname, and Venezuela. Much less frequently, Douany is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Douany | United States, Spain, Democratic Republic of the Congo, Venezuela |