Cognomen نحاس (Nahas 
, نحاس 
) , throughout the world, is a common last name. The family name نحاس is characteristic of Western Asia, particularly Lebanon, where it is quite a common surname, Syria, and United Arab Emirates, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in Egypt, Syria, and Lebanon. Very seldom, نحاس is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Nahas | Saudi Arabia, Syria, Egypt, Lebanon, India |
| نحاس | Iran, Saudi Arabia, Syria, Egypt, Lebanon |
| يوسف نحاس EG (b. 1876) |
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نقولا نحاس Lebanese politician, LB (b. 1946) |
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شربل نحاس Lebanese academic and politician, LB (b. 1954) |
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| رياض نحاس Syrian actor, SY (b. 1938) |
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| ميسم نحاس Lebanese singer, LB (b. 1976) |
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