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Cognomen 乾 (乾 , Inui
, Кан
, among others...) , across the world, is a common last name. The last name 乾 is characteristic of Kyrgyzstan, where it is quite a common surname, Azerbaijan, where it is quite a rare surname, and Uzbekistan. In absolute terms, this name is the most popular in China, Uzbekistan, and Kyrgyzstan. More frequently, 乾 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 乾 | China |
| Inui | Brazil, Japan, Indonesia, United States, China |
| Кан | Uzbekistan, Kyrgyzstan, Belarus, Azerbaijan, Ukraine |
| Кэн | Kazakhstan, Kyrgyzstan, Russia |
| Ch'Ien | China, United States |
| Qián | Myanmar |
| Каваи | Russia |