Cognomen Tianah (Tianah 
) , worldwide, is a rare surname. The last name Tianah is habitual in Indonesia, where it is a rare surname, Malaysia, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Likewise, Tianah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tianah | Indonesia, Malaysia, Australia, Nigeria, United States |
| bettinah tianah Ugandan television personality, actress and model, UG (b. 1993) |
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