Cognomen El-Haddad (El-Haddad 
) , all over the world, is quite a rare family name. The family name El-Haddad is characteristic of Israel, where it is quite a rare surname, Lebanon, and Egypt. Parts of the name also exists independently as a last name El, and a last name Haddad.
| VARIANT | COUNTRY |
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| El-Haddad | Saudi Arabia, Egypt, Israel, Lebanon, Morocco |
Al-Haddad, Ель-Хаддад, and Эль-Хаддад
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essam el-haddad Egyptian politician (b. 1953) |
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| alaadin e el-haddad researcher |
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| hadeel el-haddad researcher ORCID ID = 0000-0002-3001-8557 |
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| khaled m el-haddad researcher |
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| may el-haddad researcher |
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| carlos el-haddad researcher |
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| nataly w el-haddad researcher |
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| mohamed t el-haddad researcher |
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| nermien salah el-dien mohammed el-haddad researcher (ORCID 0000-0001-8885-8340) |
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| ghassan el-haddad researcher |
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| rodney el-haddad |
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| anna el-haddad LB |
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