Family name عمر (Omar 
, عمر 
, Umar , among others...) , in all the world, is a prevalent last name. The surname عمر is characteristic of Sudan, where it is a prevalent surname, Djibouti, where it is a widespread surname, and Egypt (explore the name in all countries). Not in comparison with a country's population, the name is most common in Nigeria, Egypt, and Sudan. Also, عمر is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Omer, Oumar, Umar, Amr, Amor, Omar | Nigeria, Morocco, Pakistan, Egypt, Turkey |
| عمر | Jordan, Sudan, Saudi Arabia, Iraq, Egypt |
| Ömer | Sudan, Algeria, Morocco, Egypt, Turkey |
| 'Umar | Malaysia |
| عاصم بن عمر Hadith narrator, SA (b. 628) |
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| عبد الملك بن عمر Umayyad prince and governor of Seville (c. 718– c. 778), SY (b. 718) |
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| سيف بن عمر Islamic historian, IQ (b. 750) |
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أبو بكر بن عمر Almoravid general (b. 1100) |
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محمد زاهد بن عمر Hejazi Muslim scholar, SA (b. 1859) |
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إبراهيم أحمد عمر Sudanese philosopher and scientist, SD (b. 1939) |
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عبد القادر الطالب عمر Prime Minister of milice sahrawi, DZ (b. 1951) |
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| محمد بابا عمر DZ (b. 1893) |
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مدحت مرسي السيد عمر Egyptian chemist and terrorist, EG (b. 1953) |
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| إبراهيم الأسطى عمر (1907-1950), LY (b. 1908) |
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| مديحة عمر Iraqi artist, IQ (b. 1908) |
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يوسف جراد عمر Somali journalist and politician, SO (b. 1960) |
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جمال محمد عمر Yemeni politician (1960-2018), YE (b. 1960) |
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اسد عمر politician in Pakistan, PK (b. 1961) |
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محمد عبد الله عمر Foreign Minister of Somalia, SO (b. 1962) |
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