Cognomen Fadellah (Fadellah 
) , all around the world, is a very rare surname. The surname Fadellah is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname, and Indonesia. Much less frequently, Fadellah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fadellah | Philippines, Malaysia, Indonesia, South Africa |