Last name سیفی (سیفی 
) , in all the world, is a rare cognomen. The family name سیفی is habitual in Afghanistan, where it is quite a rare surname, Iran, where it is a rare surname, and Saudi Arabia.
| گوهرشاد حسنی سیفی Iranian calligrapher, IR (b. 1600) |
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| میاں محمد سیفی سلسلہ سیفہ کے اکابرین میں شمار (b. 1950) |
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| حجتالله سیفی Iranian film director, screenwriter, film producer and film editor, IR (b. 1954) |
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| سیفی حسن Pakistani TV director and actor, PK (b. 1969) |
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| سیفی هروی Iranian historian, IR |
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| علی بن احمد سیفی Iranian poet, IR |
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| غزالا سیفی politician in Pakistan, PK |
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| مصطفی سیفی Iranian footballer, IR (b. 1985) |
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