Cognomen Douns (Douns 
) , worldwide, is a very rare last name. The cognomen Douns is characteristic of Bulgaria, where it is a rare surname, Costa Rica, and Nicaragua, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in France, Bulgaria, and the United States. Likewise, Douns is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Douns | France, Nicaragua, Bulgaria, United States, Costa Rica |