Cognomen Erhy (Erhy 
) , in the world, is a very rare family name. The surname Erhy is characteristic of Egypt, where it is a very rare surname, Indonesia, and Mexico, where it is an extremely rare surname. More frequently, Erhy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Erhy | Democratic Republic of the Congo, Indonesia, Mexico, Philippines, Egypt |