Family name Ouah (Ouah 
) , in the entire world, is a rare last name. The family name Ouah is habitual in Morocco, where it is a rare surname, Algeria, and France, where it is a very rare surname. Likewise, Ouah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ouah | Morocco, Algeria, South Korea, Malaysia, France |