In the entire world, Duplan (Duplan 
, دوبلان 
) is a very rare boy's first name. The forename Duplan is habitual in Western Europe, particularly France, where it is a very rare masculine name. Predominantly, Duplan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Duplan | Switzerland, Mexico, France, Haiti, United States |
| دوبلان | Iran |
| rigaud duplan Haitian politician, HT |
|