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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 | Canada, Malaysia, France, Vietnam, United States |
| Nghiêm | France, Vietnam, Australia, United States, United Kingdom |