Family name Hervais (Hervais 
) , in all the world, is a very rare last name. The last name Hervais is habitual in France, where it is a rare surname, Netherlands, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Likewise, Hervais is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hervais | France, United States, United Kingdom, Netherlands, Democratic Republic of the Congo |