Last name Gaudain (Gaudain 
) , throughout the world, is a rare cognomen. The surname Gaudain is habitual in France, where it is a rare surname, India, where it is an extremely rare surname, and Mexico. Very seldom, Gaudain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gaudain | India, France, Mexico |