Throughout the world, Сяра (Siara 
, Syara 
, Sâra 
) is quite a rare largely girly, but uncommonly boy's first name. The first name Сяра is habitual in Bulgaria, where it is quite a rare feminine name, Panama, where it is a rare girly name, and the Dominican Republic. Measured by absolute frequency, it most frequently occurs in Indonesia, India, and Brazil. Also, Сяра is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Siara | Indonesia, Poland, Brazil, United States, Tanzania |
| Syara | Indonesia, Brazil, India, Malaysia, United States |
| Sâra | Turkey, Algeria, Morocco, Egypt |
| Сяра | Ukraine, Russia, Bulgaria |