Cognomen Бахтиар (Bakhtiar 
, Bahtiar 
, Baxtiar 
) , all around the world, is a common last name. The last name Бахтиар is characteristic of Indonesia, where it is quite a common surname, Malaysia, and Georgia, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Indonesia, Malaysia, and Pakistan. Likewise, Бахтиар is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bakhtiar | Bangladesh, Pakistan, Indonesia, Iraq, Malaysia |
| Bahtiar | Pakistan, Saudi Arabia, Indonesia, United States, Malaysia |
| Baxtiar | Iran, Kazakhstan, Georgia, United States, Iraq |
| Бахтиар | Kazakhstan, Belarus, Azerbaijan, Russia, Armenia |