Family name Wilmain (Wilmain 
) , in the entire world, is a very rare surname. The last name Wilmain is habitual in Belgium, where it is a rare surname, Venezuela, where it is an extremely rare surname, and France. Also, Wilmain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wilmain | Belgium, South Africa, Mexico, United States, France |