Cognomen Joanah (Joanah 
) , around the globe, is a rare surname. The surname Joanah is habitual in Sub-Saharan Africa, particularly Uganda, where it is a rare surname, Nigeria, and South Africa, where it is a very rare surname. More prevalently, Joanah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Joanah | Zimbabwe, Uganda, South Africa, Nigeria, Philippines |