Family name Hassanain (Hassanain 
) , in the entire world, is quite a rare last name. The last name Hassanain is characteristic of Bahrain, where it is quite a rare surname, Egypt, and Saudi Arabia. Not in comparison with a country's population, the name is most common in Egypt, Saudi Arabia, and Sudan. Very seldom, Hassanain is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Hassanain | Saudi Arabia, Sudan, Morocco, Egypt, Iraq |
| hassanain al-talib researcher ORCID ID = 0000-0003-2465-2815 |
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| omneya hassanain researcher |
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| amal i hassanain researcher ORCID ID = 0000-0001-9056-8422 |
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| waleed a hassanain researcher (ORCID 0000-0002-1533-4818) |
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| omayma hassanain researcher |
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| mazen hassanain researcher |
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| sara a hassanain researcher |
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| ola hassanain SD (b. 1985) |
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