Family name Norahan (Norahan 
) , in the entire world, is an extremely rare surname. The surname Norahan is characteristic of Malaysia, where it is a very rare surname, Israel, and Venezuela, where it is an extremely rare surname. Predominantly, Norahan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Norahan | Thailand, Venezuela, Egypt, Israel, Malaysia |