Cognomen Siyani (Siyani 
) , all around the world, is quite a rare surname. The last name Siyani is characteristic of Kuwait, where it is quite a rare surname, Kenya, where it is a rare surname, and Tanzania. In absolute terms, this name is the most popular in India, Kenya, and Tanzania. Also, Siyani is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Siyani | India, Kuwait, Kenya, United Kingdom, Tanzania |