Last name Сайар (Sayar 
, Sajar 
, Saiar 
) , in all the world, is a common family name. The cognomen Сайар is habitual in Turkey, where it is quite a common surname, Kuwait, where it is quite a rare surname, and Myanmar. Not in comparison with a country's population, the name is most common in Turkey, Myanmar, and India. More prevalently, Сайар is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sayar | Pakistan, Turkey, Afghanistan, Myanmar, India |
| Sajar | Kuwait, Pakistan, Indonesia, Saudi Arabia, India |
| Saiar | Malaysia, Brazil, Georgia, United States, India |
| Сайар | Kazakhstan, Russia, Ukraine |
Хамди, Хасянов, and Халилуллин