Cognomen คุณชนะ (Youwin 
, คุณชนะ 
, Khunchana 
) , all over the world, is a rare family name. The cognomen คุณชนะ is habitual in Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, คุณชนะ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Youwin | Malaysia, China |
| คุณชนะ | Thailand |
| Khunchana | Thailand, United States |