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Last name Kien (Kien
, Киен
, キエン
) , around the world, is a common family name. The cognomen Kien is characteristic of Malaysia, where it is quite a common surname, Vietnam, where it is quite a rare surname, and Macao. Measured by absolute frequency, the name is most common in Malaysia, Vietnam, and Cameroon. Also, Kien is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kien | Malaysia, France, Vietnam, United States, Cameroon |
| Киен | Belarus, Russia |
| キエン | Japan |