Last name Dumoulein (Dumoulein 
) , worldwide, is a very rare surname. The cognomen Dumoulein is characteristic of Belgium, where it is a rare surname, France, where it is a very rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dumoulein | Belgium, Canada, France, United States |
| jeroen dumoulein BE (b. 1979) |
|