Surname Khalaf (خلف 
, Khalaf 
, Халаф 
) , around the world, is a widespread family name. The last name Khalaf is characteristic of Bahrain, where it is a common surname, Palestinian Territory, and Egypt (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Egypt, Iraq, and Syria. Likewise, Khalaf is the forename as well as the last name.
| VARIANT | COUNTRY |
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| خلف | Saudi Arabia, Iraq, Egypt, Syria, Jordan |
| Khalaf | Saudi Arabia, Iraq, Egypt, Lebanon, Syria |
| Халаф | Belarus, Kazakhstan, Russia, Ukraine |
| ח'לף | Israel |
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khalaf ibn ahmad Saffarid amir (b. 937) |
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| khalaf ibn mulaib (b. 1050) |
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| khalaf ibn abd al-aziz al-qabtawri (b. 1219) |
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| ʻalī ibn muḥammad ibn khalaf Author of manuscript Ms. Codex 42, University of Pennsylvania (b. 1453) |
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essam khalaf Bahraini politician (b. 1956) |
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khalaf ali alkhalaf Syrian poet and writer, SY (b. 1969) |
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| mona chemali khalaf Lebanese women's right activist and economist (b. 1939) |
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riyadh khalaf broadcaster and author, IE (b. 1991) |
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| ʻalī ḥusayn khalaf (b. 1945) |
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| fouad m. khalaf (b. 1950) |
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| norman ali khalaf Palestinian-German zoologist, ecologist, geologist, author and publisher, DE (b. 1962) |
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| abdel latif khalaf Egyptian wrestler (b. 1966) |
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| hisham khalaf association football player, SY (b. 1969) |
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| munthir khalaf (1970-2008), IQ (b. 1970) |
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| khalaf kridin researcher |
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