Family name رجایی (رجایی 
) , throughout the world, is a very rare surname. The family name رجایی is characteristic of Southern Asia, particularly Iran, where it is a very rare surname.
| علی محمد رجایی Iranian actor, IR (b. 1906) |
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علیرضا رجایی Iranian journalist, IR (b. 1969) |
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| سرور رجایی Iranian actress, IR (b. 1932) |
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| فرهنگ رجایی Iranian translator, IR |
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| غلامعلی رجایی Iranian politician, IR |
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