Family name Quadras (Quadras 
) , worldwide, is a rare cognomen. The last name Quadras is characteristic of Western Asia, particularly United Arab Emirates, where it is quite a rare surname, Bahrain, and Kuwait, where it is a rare surname. In absolute terms, it is commonest in India, Brazil, and United Arab Emirates. Much less frequently, Quadras is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Quadras | Brazil, Kuwait, India, Spain, United Arab Emirates |
| maria de quadras Spanish translator, ES (b. 1903) |
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| joan queralt i de quadras Spanish painter, ES (b. 1947) |
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| saiwyn quadras Indian screenwriter |
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| jose florencio quadras |
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Mr, Joao, Joel, Jean, Noel, Elza, Eric, Eron, Ivan, Maria, Marta, Marli, Meena, Mirna, Shyla, Sunil, Selma, Sofia, Soeli, Alice, Aline, Alden, John, Jose, Jane, Luan, Ms, Max, Ana, Jay, Joy, Eva, Marc, Mark, Anil, Avil, Alwin, Caio, Kyne, Paul, Rosa, Rita, Ruan, Davi, Geny, Leci, Lona, Luiz, Caue, and Alwyn