Cognomen Qaid (قايد 
, Qaid 
, Каид 
) , across the world, is a common surname. The last name Qaid is characteristic of Western Asia, particularly Yemen, where it is quite a common surname, Saudi Arabia, and Bahrain. In absolute terms, it most frequently occurs in Yemen, Saudi Arabia, and Egypt. Also, Qaid is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| قايد | Saudi Arabia, Sudan, Yemen, Egypt, Iran |
| Qaid | Saudi Arabia, Bahrain, Iraq, Yemen, Egypt |
| Каид | Kazakhstan, Belarus, Ukraine, Kyrgyzstan, Russia |
| eya qaid researcher |
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| muhsin ibn qaid Ruler of the Hammadid |
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| saif m h qaid researcher |
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| mohammed m qaid researcher |
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| nashwan mohammed qaid researcher |
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