Last name Сияр (Siyar 
, Sijar 
, Сияр 
) , around the globe, is quite a rare surname. The last name Сияр is habitual in Morocco, where it is a rare surname, United Arab Emirates, and Saudi Arabia. Not in comparison with a country's population, it is commonest in India, Pakistan, and Indonesia. Also, Сияр is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Siyar | Indonesia, Saudi Arabia, Afghanistan, India, Pakistan |
| Sijar | Indonesia, Malaysia, Nepal, India, Bangladesh |
| Сияр | Kyrgyzstan, Kazakhstan, Russia, Ukraine |
| Siiar | Israel |