Cognomen Nghiem (Nghiem 
, Nghiêm 
) , in the world, is quite a common last name. The last name Nghiem is habitual in Vietnam, where it is quite a rare surname, Australia, where it is a rare surname, and Canada. Not in comparison with a country's population, it is commonest in Vietnam, the United States, and France. Also, Nghiem is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nghiem | Malaysia, France, Canada, United States, Vietnam |
| Nghiêm | France, Australia, United Kingdom, United States, Vietnam |
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thanh nghiem French engineer, FR (b. 1966) |
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| minh dung louis nghiem French physician and writer, FR (b. 1935) |
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| paul nghiem researcher |
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| linh nghiem researcher |
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| nghiem dang-ngoc Doctorat d'Etat Université Pierre-et-Marie-Curie - Paris VI 1974 |
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| allan zhifa nghiem researcher |
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| van t nghiem researcher |
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| nghiem tran Vietnamese American poet |
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| nghiem v. nguyen Ph.D. University of Illinois at Chicago 2004 |
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| nhung nghiem public health researcher and economist |
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| nghiem xuan hoan researcher (ORCID 0000-0002-1846-4538) |
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| trung-dung nghiem researcher (ORCID 0000-0002-8767-6550) |
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| peter p nghiem researcher |
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| nghiem d nguyen researcher (ORCID 0000-0002-4322-4755) |
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| thi phuong nghiem researcher (ORCID 0000-0003-4475-6195) |
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