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Cognomen Giang (Giang
, ザン
, Гианг
) , in all the world, is a common family name. The cognomen Giang is habitual in Vietnam, where it is quite a common surname, Macao, and Malaysia, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in Vietnam, the United States, and Malaysia. Also, Giang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Giang | Canada, Malaysia, Vietnam, Australia, United States |
| ザン | Japan |
| Гианг | Russia, Ukraine |
| Зянг | Russia |