Cognomen Douvan (Douvan 
) , globally, is a very rare family name. The last name Douvan is habitual in Brazil, where it is an extremely rare surname, the United States, and India. Also, Douvan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Douvan | Philippines, Colombia, United States, India, Brazil |
| elizabeth r. douvan American psychologist, US (b. 1926) |
|