Family name Roudin (Roudin 
) , in the world, is a very rare last name. The last name Roudin is habitual in France, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and the United States. Very seldom, Roudin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roudin | Philippines, United States, India, France, Venezuela |