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 | Pakistan, Indonesia, Afghanistan, Saudi Arabia, India |
| Sijar | Malaysia, Indonesia, Nepal, India, Bangladesh |
| Сияр | Kazakhstan, Russia, Kyrgyzstan, Ukraine |
| Siiar | Israel |