Cognomen Wahhaj (Wahhaj 
) , around the globe, is a rare last name. The cognomen Wahhaj is habitual in Malaysia, where it is a rare surname, Pakistan, where it is an extremely rare surname, and the United States. Much less frequently, Wahhaj is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Wahhaj | Saudi Arabia, Malaysia, India, United States, Pakistan |
| zahed wahhaj researcher ORCID ID = 0000-0001-8269-324X |
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| zaki wahhaj researcher ORCID ID = 0000-0001-8285-7670 |
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| zaki wahhaj Ph.D. Massachusetts Institute of Technology 2006 |
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