Cognomen خليل (خليل 
, Khalil 
, Khaleel 
, among others...) , throughout the world, is a prevalent surname. The last name خليل is habitual in Western Asia, particularly Lebanon, where it is a widespread surname, Syria, where it is a common surname, and Jordan (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Egypt, Pakistan, and Syria. Likewise, خليل is the forename as well as the last name.
| VARIANT | COUNTRY |
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| خليل | Egypt, Iran, Syria, Sudan, Iraq |
| Khalil | Egypt, Algeria, India, Pakistan, Lebanon |
| Khaleel | Egypt, India, Pakistan, Saudi Arabia, Lebanon |
| Halil | Egypt, Algeria, Bangladesh, India, Pakistan |
| Khelil | Egypt, Algeria, India, Morocco, Saudi Arabia |
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الأشرف صلاح الدين خليل Mamluk Sultan of Egypt 1290-1293, EG (b. 1263) |
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عبد الله خليل Sudanese politician (1888-1970), SD (b. 1888) |
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مصطفى خليل Egyptian Prime Minister (1920-2008), EG (b. 1920) |
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| محمد محمود خليل Egyptian politician, EG (b. 1877) |
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ودود خليل Iraqi basketball player, IQ (b. 1927) |
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وحيدة خليل Iraqi singer, IQ (b. 1928) |
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| عبد العزيز خليل Egyptian actor, EG (b. 1887) |
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سمير خليل اليسوعي Egyptian theologian, EG (b. 1938) |
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أحمد خليل Egyptian actor, EG (b. 1941) |
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عصام الدين خليل Egyptian physicist, EG (b. 1948) |
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اسامه خليل Egyptian footballer, EG (b. 1954) |
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يحيى خليل EG (b. 1944) |
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ربيع أبو خليل Lebanese musician, LB (b. 1957) |
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| إبراهيم خليل Egyptian diver, EG (b. 1909) |
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أسعد أبو خليل professor, LB (b. 1960) |
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