Worldwide, Dubourg-Toungana (Dubourg-Toungana 
) is an extremely rare unknown gender forename. Much more prevalently, Dubourg-Toungana is the last name as well as the forename. Parts of the name also exists independently as a last name Dubourg.
| VARIANT | COUNTRY |
|---|---|
| Dubourg-Toungana | Democratic Republic of the Congo |