Cognomen Karchung (Karchung 
) , globally, is an extremely rare family name. The family name Karchung is habitual in Southern Asia, particularly India, where it is an extremely rare surname. Predominantly, Karchung is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karchung | Bhutan, United States, India, Hungary |
| tsokye tsomo karchung Miss Bhutan 2008, BT (b. 1984) |
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| gengop karchung |
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