Surname Herau (Herau 
) , globally, is a rare last name. The surname Herau is characteristic of France, where it is a rare surname, India, where it is an extremely rare surname, and the United States. More frequently, Herau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Herau | India, France, Democratic Republic of the Congo, United States |