Cognomen Dungchai (Dungchai 
) , across the world, is a very rare family name. The cognomen Dungchai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Dungchai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dungchai | Thailand |
| wijitar dungchai researcher (ORCID 0000-0003-1433-4266) |
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