Cognomen مسعود (مسعود 
, Masud 
, Mesut , among others...) , across the world, is a widespread surname. The cognomen مسعود is characteristic of Libya, where it is a common surname, Oman, and Bahrain (explore the name in all countries). Not in comparison with a country's population, the name is most common in Bangladesh, Pakistan, and Egypt. More prevalently, مسعود is the forename as well as the last name.
| VARIANT | COUNTRY |
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| مسعود | Iran, Yemen, Algeria, Iraq, Egypt |
| Masoud, Masud, Masood | Bangladesh, Pakistan, Egypt, India, Turkey |
| Mesut | Iran, Bangladesh, Egypt, India, Turkey |
| Messaoud | United Arab Emirates, Saudi Arabia, Algeria, Tunisia, United States |
| Massoud | Iran, Tanzania, Pakistan, Egypt, Turkey |
| Mesud | Afghanistan, Saudi Arabia, Nigeria, India, Turkey |
| Massud | Iran, Tanzania, Pakistan, Egypt, India |
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عبد الله بن مسعود Companion of the Islamic prophet Muhammad (c.594-c.653), SA (b. 600) |
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عبد الواحد بن مسعود Moroccan diplomat, secretary and ambassador (born 1558), MA (b. 1558) |
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| محمد مسعود Iranian writer, IR (b. 1901) |
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احمد شاه مسعود Afghan military leader (1953-2001), AF (b. 1953) |
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فیصل مسعود Pakistani doctor, PK (b. 1954) |
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احمد ضيا مسعود Afghan politician, AF (b. 1956) |
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احمد ولی مسعود Afghan politician (1964-), AF (b. 1964) |
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| مختار مسعود Pakistani civil servant and bureaucrat, PK (b. 1926) |
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دنيا مسعود French/Egyptian Actress and Singer, EG (b. 1979) |
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| جبران مسعود Lebanese writer and scholar, LB (b. 1930) |
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احمد مسعود Afghan politician (born 1989), AF (b. 1989) |
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مينا مسعود Canadian actor, EG (b. 1991) |
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| إبراهيم مسعود EG (b. 1933) |
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| آصف مسعود cricketer, PK (b. 1946) |
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| شاہد مسعود journalist, PK (b. 1948) |
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علي, صالحي, زارعي, غلامي, طاهري, محمدي, مرادي, كريمي, كاظمي, قاسمي, يوسفي, بهرامي, رحماني, رمضاني, محمودي, منصوري, نوروزي, قرباني, گودرزي, ميرزائي, عبدالله, سليماني, صادقي, القحطاني, جعفري, رضائي, احمد, اسدي, سعيد, صفري, زارع, محمد, ملكي, نجفي, نظري, نوري, كرمي, اميري, اميني, اكبري, اوزيل, احمدي, عباسي, عزيزي, باقري, حسيني, حيدري, رحيمي, and ابراهيمي