Worldwide, Tianah (Tianah 
) is a very rare female given name. The given name Tianah is habitual in Australia, where it is a rare female name, and the United States, where it is an extremely rare predominantly feminine, but very infrequently masculine name. Likewise, Tianah is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tianah | Australia, United States, Indonesia, Nigeria, Malaysia |