Globally, Sianah (Sianah 
) is a rare mostly male, but seldom feminine first name. The forename Sianah is characteristic of the Democratic Republic of the Congo, where it is a rare boy's name, and Indonesia, where it is a very rare feminine name. Also, Sianah is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sianah | Indonesia, Democratic Republic of the Congo, United Kingdom, Malaysia, United States |