In all the world, Roudaut (Roudaut 
) is a very rare unisex given name. The given name Roudaut is habitual in Western Europe, particularly France, where it is a very rare epicene name. Much more frequently, Roudaut is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Roudaut | Switzerland, France, Australia, United States, Belarus |