Surname Qajar (Каджар 
, Qajar 
, قاجار ) , throughout the world, is quite a rare family name. The family name Qajar is characteristic of Iran, where it is quite a rare surname, Kyrgyzstan, where it is a very rare surname, and Australia. Not in comparison with a country's population, it is the most numerous in Iran, Australia, and the United States. Much less frequently, Qajar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Каджар | Kyrgyzstan, Russia, Ukraine |
| Qajar | United Kingdom, Iran, Australia, United States, India |
| قاجار | Iran |
| piri beg qajar 16th-century Safavid military officer (b. 1401) |
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mahmud mirza qajar (b. 1799) |
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| princess ashraf us-sultana qajar Princess of Persia (b. 1808) |
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| soleyman mirza qajar Qajar prince |
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| mohammad-qoli khan qajar safavid military leader and official |
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| jafar qajar researcher |
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| ali-qoli khan qajar |
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| hossein qoli khan qajar |
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